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Truma Combi Fault Codes 2018 | TMC Leisure

This document provides fault codes and descriptions for diagnosing issues with Truma Combi heaters. It lists 57 fault codes ranging from 0004 to 0046 with corresponding flashing codes, fault descriptions, and recommended actions to resolve each issue. Common faults include issues with electronics, sensors, motors and wiring. The recommended actions involve checking, replacing or resetting specific components like electronics, sensors, motors and wiring as needed to diagnose and resolve each fault.

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Diagnostics catalogue Truma Combi Page 1 / 57 04.02.2019 Fault No.: 0004 Flashing code: ssss slss Fault No.: 0005 Flashing code: ssss slsl Fault description: Combustion air motor current too low 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0006 Flashing code: ssss slls Fault description: Combustion air motor current too high 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0008 Flashing code: ssss lsss Fault description: Fault in the electronics 1. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0010 Flashing code: ssss lsls Fault description: Combustion air temperature sensor out of tolerance 1. Action: Check / replace combustion air thermostat plate and cable harness Fault No.: 0011 Flashing code: ssss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0015 Flashing code: ssss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0016 Flashing code: sssl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0017 Flashing code: sssl sssl Fault description: Warning Water overheat condition 1. Action: Switch off heater and allow it to cool down. Fill boiler with water 2. Action: Inspect the individual discharge openings / remove blockage to circulated air intake 3. Action: Inspect heater for frost damage Fault No.: 0018 Flashing code: sssl ssls Fault description: Warning Air overheat condition 1. Action: Inspect the individual discharge openings / remove blockage to circulated air intake Fault No.: 0019
Diagnostics catalogue Truma Combi Page 2 / 57 04.02.2019 Flashing code: sssl ssll Fault description: Electronics do not match the heater (e.g. 6 kW PCB in 4 kW heater) 1. Action: Use the correct electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0020 Flashing code: sssl slss Fault description: Water temperature sensor out of tolerance 1. Action: Replace water temperature monitoring cable harness Fault No.: 0021 Flashing code: sssl slsl Fault description: Room temperature sensor out of tolerance 1. Action: Check cable for room temperature sensor and plug connections 2. Action: Check (measure) / replace room temperature sensor 15 °C 16.2 kOhm 20 °C 12.6 kOhm 25 °C 10.0 kOhm Fault No.: 0022 Flashing code: sssl slls Fault description: Air temperature sensor out of tolerance 1. Action: Replace thermostat plate kit LTF Fault No.: 0023 Flashing code: sssl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0024 Flashing code: sssl lsss Fault description: Risk of low voltage. Battery voltage too low < 10.4 V 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0025 Flashing code: sssl lssl Fault description: Circulating air motor current too low 1. Action: Check circulating air motor plug connection 2. Action: Replace circulating air motor Fault No.: 0026 Flashing code: sssl lsls Fault description: Circulating air motor current too high 1. Action: Replace circulating air motor Fault No.: 0028 Flashing code: sssl llss Fault description: Control panel or control panel cable defective 1. Action: Check / replace control panel cable 2. Action: Replace control panel Fault No.: 0029 Flashing code: sssl llsl Fault description: FrostControl heating element current too high 1. Action: Replace heating element Fault No.: 0030 Flashing code: sssl llls Fault description: 2 KW solenoid valve pickup coil current too high 1. Action: Replace cable harness Fault No.: 0031 Flashing code: sssl llll Fault description: 4 KW solenoid valve pickup coil current too high 1. Action: Replace cable harness
Diagnostics catalogue Truma Combi Page 3 / 57 04.02.2019 Fault No.: 0032 Flashing code: ssls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0033 Flashing code: ssls sssl Fault description: 2 KW solenoid valve holding coil current too high 1. Action: Replace cable harness Fault No.: 0034 Flashing code: ssls ssls Fault description: 4 KW solenoid valve holding coil current too high 1. Action: Replace cable harness Fault No.: 0035 Flashing code: ssls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0036 Flashing code: ssls slss Fault description: Ignitor current too high 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0037 Flashing code: ssls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0038 Flashing code: ssls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0039 Flashing code: ssls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0040 Flashing code: ssls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
Diagnostics catalogue Truma Combi Page 4 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0041 Flashing code: ssls lssl Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: - from software version V 03.00.00, unlock electronics with Truma Diagnose Tool - up to software version V 02.99.99, replace electronics and enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0042 Flashing code: ssls lsls Fault description: - Window switch detects open window - Bridge for window switch on Truma electronics interrupted 1. Action: - Close window - Check / replace window switch with cable 2. Action: Check bridge on PCB for secure fit / contact Fault No.: 0043 Flashing code: ssls lsll Fault description: 12 V power supply faulty (overvoltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0044 Flashing code: ssls llss Fault description: 12 V power supply faulty (low voltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0045 Flashing code: ssls llsl Fault description: 230 V power supply faulty 1. Action: Ensure 230 V power supply at appliance input 2. Action: - Reset / check 230 V water temperature switch - Check / replace 230 V fuse on Combi 230 V electronics 3. Action: Replace Combi 230 V electronics Fault No.: 0046 Flashing code: ssls llls Fault description: - 1) Circulating air motor faulty 2) Combi control panel or control panel cable faulty - Combi E power selector switch or control panel connecting cable
Diagnostics catalogue Truma Combi Page 5 / 57 04.02.2019 faulty 3) Cable harness faulty 1. Action: Replace circulating air motor 2. Action: - Replace Combi control panel / control panel cable - Replace Combi E power selector switch or control panel connecting cable 3. Action: - Combustion air motor supply cable, check black cable for short circuit or red cable for breakage - Replace cable harness - Replace combustion air motor if cable harness is undamaged Fault No.: 0047 Flashing code: ssls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0048 Flashing code: ssll ssss Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0049 Flashing code: ssll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0050 Flashing code: ssll ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0051 Flashing code: ssll ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
Diagnostics catalogue Truma Combi Page 6 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0052 Flashing code: ssll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0053 Flashing code: ssll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0054 Flashing code: ssll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0055 Flashing code: ssll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0056 Flashing code: ssll lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0057 Flashing code: ssll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0058 Flashing code: ssll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
Diagnostics catalogue Truma Combi Page 7 / 57 04.02.2019 Fault No.: 0059 Flashing code: ssll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0060 Flashing code: ssll llss Fault description: Power supply not constant 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0061 Flashing code: ssll llsl Fault description: Ignition spark interferes with electronics 1. Action: Replace ignitor 2. Action: Check / replace ignition electrodes Fault No.: 0062 Flashing code: ssll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0063 Flashing code: ssll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0064 Flashing code: slss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0065 Flashing code: slss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0066 Flashing code: slss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 8 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0067 Flashing code: slss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0068 Flashing code: slss slss Fault description: Ignition spark interferes with electronics 1. Action: Replace ignitor 2. Action: Check / replace ignition electrodes Fault No.: 0069 Flashing code: slss slsl Fault description: Circulating air motor faulty 1. Action: Replace circulating air motor 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0070 Flashing code: slss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0071 Flashing code: slss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0072 Flashing code: slss lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0073 Flashing code: slss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0074 Flashing code: slss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
Diagnostics catalogue Truma Combi Page 9 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0075 Flashing code: slss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0076 Flashing code: slss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0077 Flashing code: slss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0078 Flashing code: slss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0079 Flashing code: slss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0080 Flashing code: slsl ssss Fault description: - Power supply not constant - Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0081 Flashing code: slsl sssl
Diagnostics catalogue Truma Combi Page 10 / 57 04.02.2019 Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0082 Flashing code: slsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0083 Flashing code: slsl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0084 Flashing code: slsl slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0085 Flashing code: slsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0086 Flashing code: slsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0087 Flashing code: slsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
Diagnostics catalogue Truma Combi Page 11 / 57 04.02.2019 Fault No.: 0088 Flashing code: slsl lsss Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0089 Flashing code: slsl lssl Fault description: Combustion air motor faulty 1. Action: Replace combustion air motor 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0090 Flashing code: slsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0091 Flashing code: slsl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0092 Flashing code: slsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0093 Flashing code: slsl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0094 Flashing code: slsl llls Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace 3. Action: Ensure gas supply with correct operating pressure Check / replace
Diagnostics catalogue Truma Combi Page 12 / 57 04.02.2019 circulating air motor Fault No.: 0096 Flashing code: slls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0097 Flashing code: slls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0098 Flashing code: slls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0099 Flashing code: slls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0100 Flashing code: slls slss Fault description: Short circuit at the solenoid coils 1. Action: Replace cable harness kit Fault No.: 0101 Flashing code: slls slsl Fault description: Short circuit at the ignitor 1. Action: Replace ignitor 2. Action: Replace cable harness kit Fault No.: 0102 Flashing code: slls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0103 Flashing code: slls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
Diagnostics catalogue Truma Combi Page 13 / 57 04.02.2019 Fault No.: 0104 Flashing code: slls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0105 Flashing code: slls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0106 Flashing code: slls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0107 Flashing code: slls lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0108 Flashing code: slls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0109 Flashing code: slls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0110 Flashing code: slls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0111 Flashing code: slls llll
Diagnostics catalogue Truma Combi Page 14 / 57 04.02.2019 Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0112 Flashing code: slll ssss Fault description: - Flame out or not recognised - Faulty power supply earth connection 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0113 Flashing code: slll sssl Fault description: Ionisation voltage present in Standby mode 1. Action: Check / replace solenoid valve (stuck in the Open position) Fault No.: 0116 Flashing code: slll slss Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0117 Flashing code: slll slsl Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0118 Flashing code: slll slls Fault description: Combustion air motor speed too low or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0119 Flashing code: slll slll Fault description: Combustion air motor speed too high or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0120 Flashing code: slll lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0121 Flashing code: slll lssl Fault description: Flame unstable during operation 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor
Diagnostics catalogue Truma Combi Page 15 / 57 04.02.2019 - Check / replace ignition electrode kit Fault No.: 0122 Flashing code: slll lsls Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0123 Flashing code: slll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0124 Flashing code: slll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0125 Flashing code: slll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0126 Flashing code: slll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0127 Flashing code: slll llll Fault description: - Combustion air motor faulty - Cable harness faulty - Fault in the electronics 1. Action: Replace combustion air motor 2. Action: Check / replace cable harness 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0128 Flashing code: lsss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC
Diagnostics catalogue Truma Combi Page 16 / 57 04.02.2019 voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0129 Flashing code: lsss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0130 Flashing code: lsss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0131 Flashing code: lsss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0133 Flashing code: lsss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0134 Flashing code: lsss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0135 Flashing code: lsss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0136 Flashing code: lsss lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
Diagnostics catalogue Truma Combi Page 17 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0137 Flashing code: lsss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0138 Flashing code: lsss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0139 Flashing code: lsss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0140 Flashing code: lsss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0141 Flashing code: lsss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0142 Flashing code: lsss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0143 Flashing code: lsss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
Diagnostics catalogue Truma Combi Page 18 / 57 04.02.2019 Fault No.: 0144 Flashing code: lssl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0145 Flashing code: lssl sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0146 Flashing code: lssl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0147 Flashing code: lssl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0148 Flashing code: lssl slss Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: - from software version V 03.00.00, unlock electronics with Truma Diagnose Tool - up to software version V 02.99.99, replace electronics and enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0149 Flashing code: lssl slsl Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating
Diagnostics catalogue Truma Combi Page 19 / 57 04.02.2019 - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0150 Flashing code: lssl slls Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0160 Flashing code: lsls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0161 Flashing code: lsls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0162 Flashing code: lsls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0163 Flashing code: lsls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 20 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0164 Flashing code: lsls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0165 Flashing code: lsls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0166 Flashing code: lsls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0167 Flashing code: lsls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0168 Flashing code: lsls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0169 Flashing code: lsls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0170 Flashing code: lsls lsls Fault description: - Power supply not constant - Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor
Diagnostics catalogue Truma Combi Page 21 / 57 04.02.2019 - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0171 Flashing code: lsls lsll Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0172 Flashing code: lsls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0173 Flashing code: lsls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0174 Flashing code: lsls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0175 Flashing code: lsls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0176 Flashing code: lsll ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0177
Diagnostics catalogue Truma Combi Page 22 / 57 04.02.2019 Flashing code: lsll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0178 Flashing code: lsll ssls Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0180 Flashing code: lsll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0181 Flashing code: lsll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0182 Flashing code: lsll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0183 Flashing code: lsll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0184 Flashing code: lsll lsss Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace
Diagnostics catalogue Truma Combi Page 23 / 57 04.02.2019 3. Action: Ensure gas supply with correct operating pressure Check / replace circulating air motor Fault No.: 0186 Flashing code: lsll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0187 Flashing code: lsll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0188 Flashing code: lsll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0189 Flashing code: lsll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0190 Flashing code: lsll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0191 Flashing code: lsll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0192 Flashing code: llss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
Diagnostics catalogue Truma Combi Page 24 / 57 04.02.2019 Fault No.: 0193 Flashing code: llss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0194 Flashing code: llss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0195 Flashing code: llss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0196 Flashing code: llss slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0197 Flashing code: llss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0198 Flashing code: llss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0199 Flashing code: llss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0200 Flashing code: llss lsss
Diagnostics catalogue Truma Combi Page 25 / 57 04.02.2019 Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0201 Flashing code: llss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0202 Flashing code: llss lsls Fault description: - Flame out or not recognised - Faulty power supply earth connection 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0203 Flashing code: llss lsll Fault description: Ionisation voltage present in Standby mode 1. Action: Check / replace solenoid valve (stuck in the Open position) Fault No.: 0206 Flashing code: llss llls Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0207 Flashing code: llss llll Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0208 Flashing code: llsl ssss Fault description: Combustion air motor speed too low or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0209 Flashing code: llsl sssl Fault description: Combustion air motor speed too high or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0210 Flashing code: llsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
Diagnostics catalogue Truma Combi Page 26 / 57 04.02.2019 Fault No.: 0211 Flashing code: llsl ssll Fault description: Flame unstable during operation 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0212 Flashing code: llsl slss Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0213 Flashing code: llsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0214 Flashing code: llsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0215 Flashing code: llsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0216 Flashing code: llsl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0217 Flashing code: llsl lssl Fault description: - Combustion air motor faulty - Cable harness faulty - Fault in the electronics
Diagnostics catalogue Truma Combi Page 27 / 57 04.02.2019 1. Action: Replace combustion air motor 2. Action: Check / replace cable harness 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0218 Flashing code: llsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0219 Flashing code: llsl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0220 Flashing code: llsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0221 Flashing code: llsl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0223 Flashing code: llsl llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0224 Flashing code: llls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0225 Flashing code: llls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
Diagnostics catalogue Truma Combi Page 28 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0226 Flashing code: llls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0227 Flashing code: llls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0228 Flashing code: llls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0229 Flashing code: llls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0230 Flashing code: llls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0231 Flashing code: llls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0232 Flashing code: llls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
Diagnostics catalogue Truma Combi Page 29 / 57 04.02.2019 Fault No.: 0233 Flashing code: llls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0234 Flashing code: llls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0235 Flashing code: llls lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0236 Flashing code: llls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0237 Flashing code: llls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0238 Flashing code: llls llls Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: - from software version V 03.00.00, unlock electronics with Truma Diagnose Tool
Diagnostics catalogue Truma Combi Page 30 / 57 04.02.2019 - up to software version V 02.99.99, replace electronics and enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0239 Flashing code: llls llll Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0240 Flashing code: llll ssss Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0255 Flashing code: llll llll Fault description: - No connection between heater and control panel - Heater has no 12 V power supply - Control panel cable faulty 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Make connection between heater and control panel - Check / replace control panel cable Fault No.: 0301 Flashing code: sl ssls llsl Fault description: 12 V power supply faulty (overvoltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0302 Flashing code: sl ssls llls Fault description: 12 V power supply faulty (low voltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
Diagnostics catalogue Truma Combi Page 31 / 57 04.02.2019 or solar system. Fault No.: 0303 Flashing code: sl ssls llll Fault description: Risk of low voltage. Battery voltage too low < 10.4 V 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0304 Flashing code: sl ssll ssss Fault No.: 0305 Flashing code: sl ssll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0401 Flashing code: sl lssl sssl Fault description: Warning Water overheat condition 1. Action: Switch off heater and allow it to cool down. Fill boiler with water 2. Action: Inspect the individual discharge openings / remove blockage to circulated air intake 3. Action: Inspect heater for frost damage Fault No.: 0402 Flashing code: sl lssl ssls Fault description: Warning Air overheat condition 1. Action: Inspect the individual discharge openings / remove blockage to circulated air intake Fault No.: 0407 Flashing code: sl lssl slll Fault description: 230 V power supply faulty 1. Action: Ensure 230 V power supply at appliance input 2. Action: Check/replace 230 V fuse on Combi 230 V electronics 3. Action: Replace Combi 230 V electronics Fault No.: 0408 Flashing code: sl lssl lsss Fault description: Gas supply interrupted in Mix mode 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0411 Flashing code: sl lssl lsll Fault description: Risk of low voltage. Battery voltage too low < 10.4 V 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0412 Flashing code: sl lssl llss Fault description: - Window switch detects open window - Bridge for window switch on Truma electronics interrupted 1. Action: - Close window - Check / replace window switch with cable
Diagnostics catalogue Truma Combi Page 32 / 57 04.02.2019 2. Action: Check bridge on PCB for secure fit / contact Fault No.: 0413 Flashing code: sl lssl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0414 Flashing code: sl lssl llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0417 Flashing code: sl lsls sssl Fault description: 12 V power supply faulty (overvoltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0418 Flashing code: sl lsls ssls Fault description: 12 V power supply faulty (low voltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0420 Flashing code: sl lsls slss Fault description: 230 V power supply faulty (overvoltage) 1. Action: Ensure 230 V power supply at appliance input 2. Action: Replace Combi 230 V electronics Fault No.: 0421 Flashing code: sl lsls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0501 Flashing code: sl llll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0502 Flashing code: sl llll slls Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace 3. Action: Ensure gas supply with correct operating pressure
Diagnostics catalogue Truma Combi Page 33 / 57 04.02.2019 Fault No.: 0503 Flashing code: sl llll slll Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace 3. Action: Ensure gas supply with correct operating pressure Check / replace circulating air motor Fault No.: 0504 Flashing code: sl llll lsss Fault description: Combustion air temperature sensor out of tolerance 1. Action: Check / replace combustion air thermostat plate and cable harness Fault No.: 0505 Flashing code: sl llll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0506 Flashing code: sl llll lsls Fault description: Combustion air motor speed out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0507 Flashing code: sl llll lsll Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0508 Flashing code: sl llll llss Fault description: Ionisation voltage present in Standby mode 1. Action: Check / replace solenoid valve (stuck in the Open position) 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0509 Flashing code: sl llll llsl Fault description: Ignitor current too high 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0510 Flashing code: sl llll llls Fault description: Solenoid valves incorrectly controlled 1. Action: Replace cable harness 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0511 Flashing code: sl llll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 34 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0512 Flashing code: ls ssss ssss Fault description: Air temperature switch opened during operation due to overheating 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace temperature cable harness 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0513 Flashing code: ls ssss sssl Fault description: Water temperature switch opened during operation due to overheating 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature monitoring cable harness 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0514 Flashing code: ls ssss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0515 Flashing code: ls ssss ssll Fault description: Combustion air motor speed out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0516 Flashing code: ls ssss slss Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0517 Flashing code: ls ssss slsl Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0520 Flashing code: ls ssss lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
Diagnostics catalogue Truma Combi Page 35 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0521 Flashing code: ls ssss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0522 Flashing code: ls ssss lsls Fault description: Combustion air motor speed out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0523 Flashing code: ls ssss lsll Fault description: Ignitor current too high 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0524 Flashing code: ls ssss llss Fault description: Combustion air motor short circuit 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0525 Flashing code: ls ssss llsl Fault description: Combustion air motor current too high 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0526 Flashing code: ls ssss llls Fault description: Combustion air motor current too low 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0527 Flashing code: ls ssss llll Fault description: Ignitor current too low 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0528 Flashing code: ls sssl ssss Fault description: 2 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0529 Flashing code: ls sssl sssl Fault description: 4 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0530 Flashing code: ls sssl ssls Fault description: Safety valve solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0531 Flashing code: ls sssl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 36 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0532 Flashing code: ls sssl slss Fault description: 2 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0533 Flashing code: ls sssl slsl Fault description: 4 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0534 Flashing code: ls sssl slls Fault description: Safety valve solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0535 Flashing code: ls sssl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0536 Flashing code: ls sssl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0537 Flashing code: ls sssl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0538 Flashing code: ls sssl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0539 Flashing code: ls sssl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0601 Flashing code: ls slsl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
Diagnostics catalogue Truma Combi Page 37 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0602 Flashing code: ls slsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0603 Flashing code: ls slsl lsll Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: Unlock software version with Truma Diagnose Tool Fault No.: 0604 Flashing code: ls slsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0605 Flashing code: ls slsl llsl Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0606 Flashing code: ls slsl llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
Diagnostics catalogue Truma Combi Page 38 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0607 Flashing code: ls slsl llll Fault description: Maximum number of fault resets reached The appliance is blocked if there are more than 4 fault resets within 15 minutes. 1. Action: Press the button (Service) on the electronics. Use Diagnose Tool to read out and remedy faults that caused the block. Fault No.: 0608 Flashing code: ls slls ssss Fault description: CP Plus initialisation does not match the heater 1. Action: Reinitialise CP Plus Fault No.: 0609 Flashing code: ls slls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0610 Flashing code: ls slls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0611 Flashing code: ls slls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0612 Flashing code: ls slls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0613 Flashing code: ls slls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0614 Flashing code: ls slls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
Diagnostics catalogue Truma Combi Page 39 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0615 Flashing code: ls slls slll Fault No.: 0616 Flashing code: ls slls lsss Fault No.: 0617 Flashing code: ls slls lssl Fault description: Electronics blocked: Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check combustion air temperature sensor thermostat plate for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: Unlock electronics with Truma Diagnose Tool Fault No.: 0619 Flashing code: ls slls lsll Fault description: Water temperature sensor out of tolerance 1. Action: Replace water temperature monitoring cable harness Fault No.: 0620 Flashing code: ls slls llss Fault description: Air temperature sensor out of tolerance 1. Action: Replace temperature monitoring cable harness Fault No.: 0621 Flashing code: ls slls llsl Fault description: Room temperature sensor out of tolerance 1. Action: Check cable for room temperature sensor and plug connections 2. Action: Check (measure) / replace room temperature sensor 15 °C 16.2 kOhm 20 °C 12.6 kOhm 25 °C 10.0 kOhm Fault No.: 0622 Flashing code: ls slls llls Fault description: Control panel or control panel cable defective 1. Action: Check / replace control panel cable 2. Action: Replace control panel 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0623 Flashing code: ls slls llll Fault description: Heater is energised when switched on 1. Action: Switch heater off and on again Fault No.: 0624 Flashing code: ls slll ssss Fault description: FrostControl heating element current too high 1. Action: Replace heating element Fault No.: 0625 Flashing code: ls slll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0626 Flashing code: ls slll ssls
Diagnostics catalogue Truma Combi Page 40 / 57 04.02.2019 Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0627 Flashing code: ls slll ssll Fault description: Circulating air motor current too high 1. Action: Replace circulating air motor Fault No.: 0628 Flashing code: ls slll slss Fault description: Circulating air motor current too low 1. Action: Check circulating air motor plug connection 2. Action: Replace circulating air motor Fault No.: 0629 Flashing code: ls slll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0630 Flashing code: ls slll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0631 Flashing code: ls slll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0632 Flashing code: ls slll lsss Fault description: 230 V water temperature switch has triggered 1. Action: Reset water temperature switch Fault No.: 0633 Flashing code: ls slll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0634 Flashing code: ls slll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 41 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0635 Flashing code: ls slll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0636 Flashing code: ls slll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0700 Flashing code: ls lsll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0701 Flashing code: ls lsll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0702 Flashing code: ls lsll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0703 Flashing code: ls lsll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0704 Flashing code: ls llss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0705
Diagnostics catalogue Truma Combi Page 42 / 57 04.02.2019 Flashing code: ls llss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0706 Flashing code: ls llss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0707 Flashing code: ls llss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0708 Flashing code: ls llss slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0709 Flashing code: ls llss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0710 Flashing code: ls llss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0711 Flashing code: ls llss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0712 Flashing code: ls llss lsss Fault description: Fault in the electronics
Diagnostics catalogue Truma Combi Page 43 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0713 Flashing code: ls llss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0714 Flashing code: ls llss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0715 Flashing code: ls llss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0716 Flashing code: ls llss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0717 Flashing code: ls llss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0718 Flashing code: ls llss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0719 Flashing code: ls llss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
Diagnostics catalogue Truma Combi Page 44 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0720 Flashing code: ls llsl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0721 Flashing code: ls llsl sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0722 Flashing code: ls llsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0723 Flashing code: ls llsl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0724 Flashing code: ls llsl slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0725 Flashing code: ls llsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0726 Flashing code: ls llsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 45 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0727 Flashing code: ls llsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0728 Flashing code: ls llsl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0729 Flashing code: ls llsl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0730 Flashing code: ls llsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0731 Flashing code: ls llsl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0732 Flashing code: ls llsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0733 Flashing code: ls llsl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0734
Diagnostics catalogue Truma Combi Page 46 / 57 04.02.2019 Flashing code: ls llsl llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0735 Flashing code: ls llsl llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0736 Flashing code: ls llls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0737 Flashing code: ls llls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0738 Flashing code: ls llls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0739 Flashing code: ls llls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0740 Flashing code: ls llls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0741 Flashing code: ls llls slsl Fault description: Fault in the electronics
Diagnostics catalogue Truma Combi Page 47 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0742 Flashing code: ls llls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0743 Flashing code: ls llls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0744 Flashing code: ls llls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0745 Flashing code: ls llls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0746 Flashing code: ls llls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0747 Flashing code: ls llls lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0748 Flashing code: ls llls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
Diagnostics catalogue Truma Combi Page 48 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0749 Flashing code: ls llls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0750 Flashing code: ls llls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0751 Flashing code: ls llls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0752 Flashing code: ls llll ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0753 Flashing code: ls llll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0754 Flashing code: ls llll ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0755 Flashing code: ls llll ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 49 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0756 Flashing code: ls llll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0757 Flashing code: ls llll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0758 Flashing code: ls llll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0800 Flashing code: ll ssls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0801 Flashing code: ll ssls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0802 Flashing code: ll ssls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0803 Flashing code: ll ssls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0804
Diagnostics catalogue Truma Combi Page 50 / 57 04.02.2019 Flashing code: ll ssls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0805 Flashing code: ll ssls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0806 Flashing code: ll ssls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0807 Flashing code: ll ssls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0808 Flashing code: ll ssls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0809 Flashing code: ll ssls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0810 Flashing code: ll ssls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0811 Flashing code: ll ssls lsll Fault description: Fault in the electronics
Diagnostics catalogue Truma Combi Page 51 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0812 Flashing code: ll ssls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0813 Flashing code: ll ssls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0814 Flashing code: ll ssls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0815 Flashing code: ll ssls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0816 Flashing code: ll ssll ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0817 Flashing code: ll ssll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0818 Flashing code: ll ssll ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
Diagnostics catalogue Truma Combi Page 52 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0819 Flashing code: ll ssll ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0820 Flashing code: ll ssll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0821 Flashing code: ll ssll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0822 Flashing code: ll ssll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0823 Flashing code: ll ssll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0824 Flashing code: ll ssll lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0825 Flashing code: ll ssll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 53 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0826 Flashing code: ll ssll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0827 Flashing code: ll ssll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0828 Flashing code: ll ssll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0829 Flashing code: ll ssll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0830 Flashing code: ll ssll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0831 Flashing code: ll ssll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0832 Flashing code: ll slss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0833
Diagnostics catalogue Truma Combi Page 54 / 57 04.02.2019 Flashing code: ll slss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0834 Flashing code: ll slss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0835 Flashing code: ll slss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0836 Flashing code: ll slss slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0837 Flashing code: ll slss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0838 Flashing code: ll slss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0839 Flashing code: ll slss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0840 Flashing code: ll slss lsss Fault description: Fault in the electronics
Diagnostics catalogue Truma Combi Page 55 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0841 Flashing code: ll slss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0842 Flashing code: ll slss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0843 Flashing code: ll slss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0844 Flashing code: ll slss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0845 Flashing code: ll slss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0846 Flashing code: ll slss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0847 Flashing code: ll slss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
Diagnostics catalogue Truma Combi Page 56 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0848 Flashing code: ll slsl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0849 Flashing code: ll slsl sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0850 Flashing code: ll slsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0851 Flashing code: ll slsl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0852 Flashing code: ll slsl slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0853 Flashing code: ll slsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0854 Flashing code: ll slsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
Diagnostics catalogue Truma Combi Page 57 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0855 Flashing code: ll slsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0856 Flashing code: ll slsl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0857 Flashing code: ll slsl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0858 Flashing code: ll slsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Powered by TCPDF (www.tcpdf.org)

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Truma Combi Fault Codes 2018 | TMC Leisure

  • 1.
    Diagnostics catalogue TrumaCombi Page 1 / 57 04.02.2019 Fault No.: 0004 Flashing code: ssss slss Fault No.: 0005 Flashing code: ssss slsl Fault description: Combustion air motor current too low 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0006 Flashing code: ssss slls Fault description: Combustion air motor current too high 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0008 Flashing code: ssss lsss Fault description: Fault in the electronics 1. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0010 Flashing code: ssss lsls Fault description: Combustion air temperature sensor out of tolerance 1. Action: Check / replace combustion air thermostat plate and cable harness Fault No.: 0011 Flashing code: ssss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0015 Flashing code: ssss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0016 Flashing code: sssl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0017 Flashing code: sssl sssl Fault description: Warning Water overheat condition 1. Action: Switch off heater and allow it to cool down. Fill boiler with water 2. Action: Inspect the individual discharge openings / remove blockage to circulated air intake 3. Action: Inspect heater for frost damage Fault No.: 0018 Flashing code: sssl ssls Fault description: Warning Air overheat condition 1. Action: Inspect the individual discharge openings / remove blockage to circulated air intake Fault No.: 0019
  • 2.
    Diagnostics catalogue TrumaCombi Page 2 / 57 04.02.2019 Flashing code: sssl ssll Fault description: Electronics do not match the heater (e.g. 6 kW PCB in 4 kW heater) 1. Action: Use the correct electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0020 Flashing code: sssl slss Fault description: Water temperature sensor out of tolerance 1. Action: Replace water temperature monitoring cable harness Fault No.: 0021 Flashing code: sssl slsl Fault description: Room temperature sensor out of tolerance 1. Action: Check cable for room temperature sensor and plug connections 2. Action: Check (measure) / replace room temperature sensor 15 °C 16.2 kOhm 20 °C 12.6 kOhm 25 °C 10.0 kOhm Fault No.: 0022 Flashing code: sssl slls Fault description: Air temperature sensor out of tolerance 1. Action: Replace thermostat plate kit LTF Fault No.: 0023 Flashing code: sssl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0024 Flashing code: sssl lsss Fault description: Risk of low voltage. Battery voltage too low < 10.4 V 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0025 Flashing code: sssl lssl Fault description: Circulating air motor current too low 1. Action: Check circulating air motor plug connection 2. Action: Replace circulating air motor Fault No.: 0026 Flashing code: sssl lsls Fault description: Circulating air motor current too high 1. Action: Replace circulating air motor Fault No.: 0028 Flashing code: sssl llss Fault description: Control panel or control panel cable defective 1. Action: Check / replace control panel cable 2. Action: Replace control panel Fault No.: 0029 Flashing code: sssl llsl Fault description: FrostControl heating element current too high 1. Action: Replace heating element Fault No.: 0030 Flashing code: sssl llls Fault description: 2 KW solenoid valve pickup coil current too high 1. Action: Replace cable harness Fault No.: 0031 Flashing code: sssl llll Fault description: 4 KW solenoid valve pickup coil current too high 1. Action: Replace cable harness
  • 3.
    Diagnostics catalogue TrumaCombi Page 3 / 57 04.02.2019 Fault No.: 0032 Flashing code: ssls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0033 Flashing code: ssls sssl Fault description: 2 KW solenoid valve holding coil current too high 1. Action: Replace cable harness Fault No.: 0034 Flashing code: ssls ssls Fault description: 4 KW solenoid valve holding coil current too high 1. Action: Replace cable harness Fault No.: 0035 Flashing code: ssls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0036 Flashing code: ssls slss Fault description: Ignitor current too high 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0037 Flashing code: ssls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0038 Flashing code: ssls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0039 Flashing code: ssls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0040 Flashing code: ssls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
  • 4.
    Diagnostics catalogue TrumaCombi Page 4 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0041 Flashing code: ssls lssl Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: - from software version V 03.00.00, unlock electronics with Truma Diagnose Tool - up to software version V 02.99.99, replace electronics and enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0042 Flashing code: ssls lsls Fault description: - Window switch detects open window - Bridge for window switch on Truma electronics interrupted 1. Action: - Close window - Check / replace window switch with cable 2. Action: Check bridge on PCB for secure fit / contact Fault No.: 0043 Flashing code: ssls lsll Fault description: 12 V power supply faulty (overvoltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0044 Flashing code: ssls llss Fault description: 12 V power supply faulty (low voltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0045 Flashing code: ssls llsl Fault description: 230 V power supply faulty 1. Action: Ensure 230 V power supply at appliance input 2. Action: - Reset / check 230 V water temperature switch - Check / replace 230 V fuse on Combi 230 V electronics 3. Action: Replace Combi 230 V electronics Fault No.: 0046 Flashing code: ssls llls Fault description: - 1) Circulating air motor faulty 2) Combi control panel or control panel cable faulty - Combi E power selector switch or control panel connecting cable
  • 5.
    Diagnostics catalogue TrumaCombi Page 5 / 57 04.02.2019 faulty 3) Cable harness faulty 1. Action: Replace circulating air motor 2. Action: - Replace Combi control panel / control panel cable - Replace Combi E power selector switch or control panel connecting cable 3. Action: - Combustion air motor supply cable, check black cable for short circuit or red cable for breakage - Replace cable harness - Replace combustion air motor if cable harness is undamaged Fault No.: 0047 Flashing code: ssls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0048 Flashing code: ssll ssss Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0049 Flashing code: ssll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0050 Flashing code: ssll ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0051 Flashing code: ssll ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
  • 6.
    Diagnostics catalogue TrumaCombi Page 6 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0052 Flashing code: ssll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0053 Flashing code: ssll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0054 Flashing code: ssll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0055 Flashing code: ssll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0056 Flashing code: ssll lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0057 Flashing code: ssll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0058 Flashing code: ssll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
  • 7.
    Diagnostics catalogue TrumaCombi Page 7 / 57 04.02.2019 Fault No.: 0059 Flashing code: ssll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0060 Flashing code: ssll llss Fault description: Power supply not constant 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0061 Flashing code: ssll llsl Fault description: Ignition spark interferes with electronics 1. Action: Replace ignitor 2. Action: Check / replace ignition electrodes Fault No.: 0062 Flashing code: ssll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0063 Flashing code: ssll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0064 Flashing code: slss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0065 Flashing code: slss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0066 Flashing code: slss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 8.
    Diagnostics catalogue TrumaCombi Page 8 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0067 Flashing code: slss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0068 Flashing code: slss slss Fault description: Ignition spark interferes with electronics 1. Action: Replace ignitor 2. Action: Check / replace ignition electrodes Fault No.: 0069 Flashing code: slss slsl Fault description: Circulating air motor faulty 1. Action: Replace circulating air motor 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0070 Flashing code: slss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0071 Flashing code: slss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0072 Flashing code: slss lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0073 Flashing code: slss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0074 Flashing code: slss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
  • 9.
    Diagnostics catalogue TrumaCombi Page 9 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0075 Flashing code: slss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0076 Flashing code: slss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0077 Flashing code: slss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0078 Flashing code: slss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0079 Flashing code: slss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0080 Flashing code: slsl ssss Fault description: - Power supply not constant - Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0081 Flashing code: slsl sssl
  • 10.
    Diagnostics catalogue TrumaCombi Page 10 / 57 04.02.2019 Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0082 Flashing code: slsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0083 Flashing code: slsl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0084 Flashing code: slsl slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0085 Flashing code: slsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0086 Flashing code: slsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0087 Flashing code: slsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
  • 11.
    Diagnostics catalogue TrumaCombi Page 11 / 57 04.02.2019 Fault No.: 0088 Flashing code: slsl lsss Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0089 Flashing code: slsl lssl Fault description: Combustion air motor faulty 1. Action: Replace combustion air motor 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0090 Flashing code: slsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0091 Flashing code: slsl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0092 Flashing code: slsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0093 Flashing code: slsl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0094 Flashing code: slsl llls Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace 3. Action: Ensure gas supply with correct operating pressure Check / replace
  • 12.
    Diagnostics catalogue TrumaCombi Page 12 / 57 04.02.2019 circulating air motor Fault No.: 0096 Flashing code: slls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0097 Flashing code: slls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0098 Flashing code: slls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0099 Flashing code: slls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0100 Flashing code: slls slss Fault description: Short circuit at the solenoid coils 1. Action: Replace cable harness kit Fault No.: 0101 Flashing code: slls slsl Fault description: Short circuit at the ignitor 1. Action: Replace ignitor 2. Action: Replace cable harness kit Fault No.: 0102 Flashing code: slls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0103 Flashing code: slls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
  • 13.
    Diagnostics catalogue TrumaCombi Page 13 / 57 04.02.2019 Fault No.: 0104 Flashing code: slls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0105 Flashing code: slls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0106 Flashing code: slls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0107 Flashing code: slls lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0108 Flashing code: slls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0109 Flashing code: slls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0110 Flashing code: slls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0111 Flashing code: slls llll
  • 14.
    Diagnostics catalogue TrumaCombi Page 14 / 57 04.02.2019 Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0112 Flashing code: slll ssss Fault description: - Flame out or not recognised - Faulty power supply earth connection 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0113 Flashing code: slll sssl Fault description: Ionisation voltage present in Standby mode 1. Action: Check / replace solenoid valve (stuck in the Open position) Fault No.: 0116 Flashing code: slll slss Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0117 Flashing code: slll slsl Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0118 Flashing code: slll slls Fault description: Combustion air motor speed too low or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0119 Flashing code: slll slll Fault description: Combustion air motor speed too high or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0120 Flashing code: slll lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0121 Flashing code: slll lssl Fault description: Flame unstable during operation 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor
  • 15.
    Diagnostics catalogue TrumaCombi Page 15 / 57 04.02.2019 - Check / replace ignition electrode kit Fault No.: 0122 Flashing code: slll lsls Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0123 Flashing code: slll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0124 Flashing code: slll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0125 Flashing code: slll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0126 Flashing code: slll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0127 Flashing code: slll llll Fault description: - Combustion air motor faulty - Cable harness faulty - Fault in the electronics 1. Action: Replace combustion air motor 2. Action: Check / replace cable harness 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0128 Flashing code: lsss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC
  • 16.
    Diagnostics catalogue TrumaCombi Page 16 / 57 04.02.2019 voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0129 Flashing code: lsss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0130 Flashing code: lsss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0131 Flashing code: lsss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0133 Flashing code: lsss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0134 Flashing code: lsss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0135 Flashing code: lsss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0136 Flashing code: lsss lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
  • 17.
    Diagnostics catalogue TrumaCombi Page 17 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0137 Flashing code: lsss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0138 Flashing code: lsss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0139 Flashing code: lsss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0140 Flashing code: lsss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0141 Flashing code: lsss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0142 Flashing code: lsss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0143 Flashing code: lsss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
  • 18.
    Diagnostics catalogue TrumaCombi Page 18 / 57 04.02.2019 Fault No.: 0144 Flashing code: lssl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0145 Flashing code: lssl sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0146 Flashing code: lssl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0147 Flashing code: lssl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0148 Flashing code: lssl slss Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: - from software version V 03.00.00, unlock electronics with Truma Diagnose Tool - up to software version V 02.99.99, replace electronics and enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0149 Flashing code: lssl slsl Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating
  • 19.
    Diagnostics catalogue TrumaCombi Page 19 / 57 04.02.2019 - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0150 Flashing code: lssl slls Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0160 Flashing code: lsls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0161 Flashing code: lsls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0162 Flashing code: lsls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0163 Flashing code: lsls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 20.
    Diagnostics catalogue TrumaCombi Page 20 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0164 Flashing code: lsls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0165 Flashing code: lsls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0166 Flashing code: lsls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0167 Flashing code: lsls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0168 Flashing code: lsls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0169 Flashing code: lsls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0170 Flashing code: lsls lsls Fault description: - Power supply not constant - Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor
  • 21.
    Diagnostics catalogue TrumaCombi Page 21 / 57 04.02.2019 - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0171 Flashing code: lsls lsll Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0172 Flashing code: lsls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0173 Flashing code: lsls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0174 Flashing code: lsls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0175 Flashing code: lsls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0176 Flashing code: lsll ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0177
  • 22.
    Diagnostics catalogue TrumaCombi Page 22 / 57 04.02.2019 Flashing code: lsll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0178 Flashing code: lsll ssls Fault description: Ignition spark interferes with electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Replace ignitor - Check / replace ignition / monitoring electrodes cable Check / adjust electrode spacings 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0180 Flashing code: lsll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0181 Flashing code: lsll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0182 Flashing code: lsll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0183 Flashing code: lsll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0184 Flashing code: lsll lsss Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace
  • 23.
    Diagnostics catalogue TrumaCombi Page 23 / 57 04.02.2019 3. Action: Ensure gas supply with correct operating pressure Check / replace circulating air motor Fault No.: 0186 Flashing code: lsll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0187 Flashing code: lsll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0188 Flashing code: lsll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0189 Flashing code: lsll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0190 Flashing code: lsll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0191 Flashing code: lsll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0192 Flashing code: llss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
  • 24.
    Diagnostics catalogue TrumaCombi Page 24 / 57 04.02.2019 Fault No.: 0193 Flashing code: llss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0194 Flashing code: llss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0195 Flashing code: llss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0196 Flashing code: llss slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0197 Flashing code: llss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0198 Flashing code: llss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0199 Flashing code: llss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0200 Flashing code: llss lsss
  • 25.
    Diagnostics catalogue TrumaCombi Page 25 / 57 04.02.2019 Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0201 Flashing code: llss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0202 Flashing code: llss lsls Fault description: - Flame out or not recognised - Faulty power supply earth connection 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0203 Flashing code: llss lsll Fault description: Ionisation voltage present in Standby mode 1. Action: Check / replace solenoid valve (stuck in the Open position) Fault No.: 0206 Flashing code: llss llls Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0207 Flashing code: llss llll Fault description: AC voltage components in the supply voltage 1. Action: Check for AC voltage components that can be generated by the power supply unit or solar system 2. Action: Ensure 12 V voltage under load at appliance input Fault No.: 0208 Flashing code: llsl ssss Fault description: Combustion air motor speed too low or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0209 Flashing code: llsl sssl Fault description: Combustion air motor speed too high or out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0210 Flashing code: llsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
  • 26.
    Diagnostics catalogue TrumaCombi Page 26 / 57 04.02.2019 Fault No.: 0211 Flashing code: llsl ssll Fault description: Flame unstable during operation 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0212 Flashing code: llsl slss Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Ensure power supply earth connection 3. Action: - Check exhaust system - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0213 Flashing code: llsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0214 Flashing code: llsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0215 Flashing code: llsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0216 Flashing code: llsl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0217 Flashing code: llsl lssl Fault description: - Combustion air motor faulty - Cable harness faulty - Fault in the electronics
  • 27.
    Diagnostics catalogue TrumaCombi Page 27 / 57 04.02.2019 1. Action: Replace combustion air motor 2. Action: Check / replace cable harness 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0218 Flashing code: llsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0219 Flashing code: llsl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0220 Flashing code: llsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0221 Flashing code: llsl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0223 Flashing code: llsl llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0224 Flashing code: llls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0225 Flashing code: llls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
  • 28.
    Diagnostics catalogue TrumaCombi Page 28 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0226 Flashing code: llls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0227 Flashing code: llls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0228 Flashing code: llls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0229 Flashing code: llls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0230 Flashing code: llls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0231 Flashing code: llls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0232 Flashing code: llls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool
  • 29.
    Diagnostics catalogue TrumaCombi Page 29 / 57 04.02.2019 Fault No.: 0233 Flashing code: llls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0234 Flashing code: llls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0235 Flashing code: llls lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0236 Flashing code: llls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0237 Flashing code: llls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0238 Flashing code: llls llls Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: - from software version V 03.00.00, unlock electronics with Truma Diagnose Tool
  • 30.
    Diagnostics catalogue TrumaCombi Page 30 / 57 04.02.2019 - up to software version V 02.99.99, replace electronics and enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0239 Flashing code: llls llll Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0240 Flashing code: llll ssss Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0255 Flashing code: llll llll Fault description: - No connection between heater and control panel - Heater has no 12 V power supply - Control panel cable faulty 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: - Make connection between heater and control panel - Check / replace control panel cable Fault No.: 0301 Flashing code: sl ssls llsl Fault description: 12 V power supply faulty (overvoltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0302 Flashing code: sl ssls llls Fault description: 12 V power supply faulty (low voltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
  • 31.
    Diagnostics catalogue TrumaCombi Page 31 / 57 04.02.2019 or solar system. Fault No.: 0303 Flashing code: sl ssls llll Fault description: Risk of low voltage. Battery voltage too low < 10.4 V 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0304 Flashing code: sl ssll ssss Fault No.: 0305 Flashing code: sl ssll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0401 Flashing code: sl lssl sssl Fault description: Warning Water overheat condition 1. Action: Switch off heater and allow it to cool down. Fill boiler with water 2. Action: Inspect the individual discharge openings / remove blockage to circulated air intake 3. Action: Inspect heater for frost damage Fault No.: 0402 Flashing code: sl lssl ssls Fault description: Warning Air overheat condition 1. Action: Inspect the individual discharge openings / remove blockage to circulated air intake Fault No.: 0407 Flashing code: sl lssl slll Fault description: 230 V power supply faulty 1. Action: Ensure 230 V power supply at appliance input 2. Action: Check/replace 230 V fuse on Combi 230 V electronics 3. Action: Replace Combi 230 V electronics Fault No.: 0408 Flashing code: sl lssl lsss Fault description: Gas supply interrupted in Mix mode 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0411 Flashing code: sl lssl lsll Fault description: Risk of low voltage. Battery voltage too low < 10.4 V 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0412 Flashing code: sl lssl llss Fault description: - Window switch detects open window - Bridge for window switch on Truma electronics interrupted 1. Action: - Close window - Check / replace window switch with cable
  • 32.
    Diagnostics catalogue TrumaCombi Page 32 / 57 04.02.2019 2. Action: Check bridge on PCB for secure fit / contact Fault No.: 0413 Flashing code: sl lssl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0414 Flashing code: sl lssl llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0417 Flashing code: sl lsls sssl Fault description: 12 V power supply faulty (overvoltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0418 Flashing code: sl lsls ssls Fault description: 12 V power supply faulty (low voltage) 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. Fault No.: 0420 Flashing code: sl lsls slss Fault description: 230 V power supply faulty (overvoltage) 1. Action: Ensure 230 V power supply at appliance input 2. Action: Replace Combi 230 V electronics Fault No.: 0421 Flashing code: sl lsls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0501 Flashing code: sl llll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0502 Flashing code: sl llll slls Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace 3. Action: Ensure gas supply with correct operating pressure
  • 33.
    Diagnostics catalogue TrumaCombi Page 33 / 57 04.02.2019 Fault No.: 0503 Flashing code: sl llll slll Fault description: Heater gets too hot or combustion air temperature sensor shows incorrect value 1. Action: Check / replace combustion air thermostat plate 2. Action: Check heat exchanger for overheating damage (deformation, bubble formation, leaks) / replace 3. Action: Ensure gas supply with correct operating pressure Check / replace circulating air motor Fault No.: 0504 Flashing code: sl llll lsss Fault description: Combustion air temperature sensor out of tolerance 1. Action: Check / replace combustion air thermostat plate and cable harness Fault No.: 0505 Flashing code: sl llll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0506 Flashing code: sl llll lsls Fault description: Combustion air motor speed out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0507 Flashing code: sl llll lsll Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0508 Flashing code: sl llll llss Fault description: Ionisation voltage present in Standby mode 1. Action: Check / replace solenoid valve (stuck in the Open position) 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0509 Flashing code: sl llll llsl Fault description: Ignitor current too high 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0510 Flashing code: sl llll llls Fault description: Solenoid valves incorrectly controlled 1. Action: Replace cable harness 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0511 Flashing code: sl llll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 34.
    Diagnostics catalogue TrumaCombi Page 34 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0512 Flashing code: ls ssss ssss Fault description: Air temperature switch opened during operation due to overheating 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace temperature cable harness 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0513 Flashing code: ls ssss sssl Fault description: Water temperature switch opened during operation due to overheating 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature monitoring cable harness 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0514 Flashing code: ls ssss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0515 Flashing code: ls ssss ssll Fault description: Combustion air motor speed out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0516 Flashing code: ls ssss slss Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0517 Flashing code: ls ssss slsl Fault description: Gas supply interrupted 1. Action: Ensure gas supply with correct operating pressure 2. Action: Check exhaust system 3. Action: - Check / replace solenoid valve - Check / replace ignitor - Check / replace ignition electrode kit Fault No.: 0520 Flashing code: ls ssss lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
  • 35.
    Diagnostics catalogue TrumaCombi Page 35 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0521 Flashing code: ls ssss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0522 Flashing code: ls ssss lsls Fault description: Combustion air motor speed out of tolerance 1. Action: Replace combustion air motor kit Fault No.: 0523 Flashing code: ls ssss lsll Fault description: Ignitor current too high 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0524 Flashing code: ls ssss llss Fault description: Combustion air motor short circuit 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0525 Flashing code: ls ssss llsl Fault description: Combustion air motor current too high 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0526 Flashing code: ls ssss llls Fault description: Combustion air motor current too low 1. Action: Check / replace combustion air motor 2. Action: Check / replace cable harness Fault No.: 0527 Flashing code: ls ssss llll Fault description: Ignitor current too low 1. Action: Replace ignitor 2. Action: Check / replace cable harness Fault No.: 0528 Flashing code: ls sssl ssss Fault description: 2 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0529 Flashing code: ls sssl sssl Fault description: 4 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0530 Flashing code: ls sssl ssls Fault description: Safety valve solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0531 Flashing code: ls sssl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 36.
    Diagnostics catalogue TrumaCombi Page 36 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0532 Flashing code: ls sssl slss Fault description: 2 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0533 Flashing code: ls sssl slsl Fault description: 4 KW solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0534 Flashing code: ls sssl slls Fault description: Safety valve solenoid coil current too high 1. Action: Replace cable harness Fault No.: 0535 Flashing code: ls sssl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0536 Flashing code: ls sssl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0537 Flashing code: ls sssl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0538 Flashing code: ls sssl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0539 Flashing code: ls sssl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0601 Flashing code: ls slsl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
  • 37.
    Diagnostics catalogue TrumaCombi Page 37 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0602 Flashing code: ls slsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0603 Flashing code: ls slsl lsll Fault description: - Electronics blocked: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: Unlock software version with Truma Diagnose Tool Fault No.: 0604 Flashing code: ls slsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0605 Flashing code: ls slsl llsl Fault description: - Fault: - Because air temperature switch and / or water temperature switch has opened during operation due to overheating - Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check / replace water temperature cable harness - Check thermostat plate LTF for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor Fault No.: 0606 Flashing code: ls slsl llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
  • 38.
    Diagnostics catalogue TrumaCombi Page 38 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0607 Flashing code: ls slsl llll Fault description: Maximum number of fault resets reached The appliance is blocked if there are more than 4 fault resets within 15 minutes. 1. Action: Press the button (Service) on the electronics. Use Diagnose Tool to read out and remedy faults that caused the block. Fault No.: 0608 Flashing code: ls slls ssss Fault description: CP Plus initialisation does not match the heater 1. Action: Reinitialise CP Plus Fault No.: 0609 Flashing code: ls slls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0610 Flashing code: ls slls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0611 Flashing code: ls slls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0612 Flashing code: ls slls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0613 Flashing code: ls slls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0614 Flashing code: ls slls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system.
  • 39.
    Diagnostics catalogue TrumaCombi Page 39 / 57 04.02.2019 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0615 Flashing code: ls slls slll Fault No.: 0616 Flashing code: ls slls lsss Fault No.: 0617 Flashing code: ls slls lssl Fault description: Electronics blocked: Because combustion air temperature sensor signals temperatures > 215 °C 1. Action: - Check heat exchanger for overheating damage - Check water container for frost damage - Check combustion air temperature sensor thermostat plate for damage / replace 2. Action: - Check circulating air system for blockage - Check / replace circulating air motor 3. Action: Unlock electronics with Truma Diagnose Tool Fault No.: 0619 Flashing code: ls slls lsll Fault description: Water temperature sensor out of tolerance 1. Action: Replace water temperature monitoring cable harness Fault No.: 0620 Flashing code: ls slls llss Fault description: Air temperature sensor out of tolerance 1. Action: Replace temperature monitoring cable harness Fault No.: 0621 Flashing code: ls slls llsl Fault description: Room temperature sensor out of tolerance 1. Action: Check cable for room temperature sensor and plug connections 2. Action: Check (measure) / replace room temperature sensor 15 °C 16.2 kOhm 20 °C 12.6 kOhm 25 °C 10.0 kOhm Fault No.: 0622 Flashing code: ls slls llls Fault description: Control panel or control panel cable defective 1. Action: Check / replace control panel cable 2. Action: Replace control panel 3. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0623 Flashing code: ls slls llll Fault description: Heater is energised when switched on 1. Action: Switch heater off and on again Fault No.: 0624 Flashing code: ls slll ssss Fault description: FrostControl heating element current too high 1. Action: Replace heating element Fault No.: 0625 Flashing code: ls slll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0626 Flashing code: ls slll ssls
  • 40.
    Diagnostics catalogue TrumaCombi Page 40 / 57 04.02.2019 Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0627 Flashing code: ls slll ssll Fault description: Circulating air motor current too high 1. Action: Replace circulating air motor Fault No.: 0628 Flashing code: ls slll slss Fault description: Circulating air motor current too low 1. Action: Check circulating air motor plug connection 2. Action: Replace circulating air motor Fault No.: 0629 Flashing code: ls slll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0630 Flashing code: ls slll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0631 Flashing code: ls slll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0632 Flashing code: ls slll lsss Fault description: 230 V water temperature switch has triggered 1. Action: Reset water temperature switch Fault No.: 0633 Flashing code: ls slll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0634 Flashing code: ls slll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 41.
    Diagnostics catalogue TrumaCombi Page 41 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0635 Flashing code: ls slll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0636 Flashing code: ls slll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0700 Flashing code: ls lsll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0701 Flashing code: ls lsll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0702 Flashing code: ls lsll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0703 Flashing code: ls lsll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0704 Flashing code: ls llss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0705
  • 42.
    Diagnostics catalogue TrumaCombi Page 42 / 57 04.02.2019 Flashing code: ls llss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0706 Flashing code: ls llss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0707 Flashing code: ls llss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0708 Flashing code: ls llss slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0709 Flashing code: ls llss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0710 Flashing code: ls llss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0711 Flashing code: ls llss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0712 Flashing code: ls llss lsss Fault description: Fault in the electronics
  • 43.
    Diagnostics catalogue TrumaCombi Page 43 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0713 Flashing code: ls llss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0714 Flashing code: ls llss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0715 Flashing code: ls llss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0716 Flashing code: ls llss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0717 Flashing code: ls llss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0718 Flashing code: ls llss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0719 Flashing code: ls llss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
  • 44.
    Diagnostics catalogue TrumaCombi Page 44 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0720 Flashing code: ls llsl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0721 Flashing code: ls llsl sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0722 Flashing code: ls llsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0723 Flashing code: ls llsl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0724 Flashing code: ls llsl slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0725 Flashing code: ls llsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0726 Flashing code: ls llsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 45.
    Diagnostics catalogue TrumaCombi Page 45 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0727 Flashing code: ls llsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0728 Flashing code: ls llsl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0729 Flashing code: ls llsl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0730 Flashing code: ls llsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0731 Flashing code: ls llsl lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0732 Flashing code: ls llsl llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0733 Flashing code: ls llsl llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0734
  • 46.
    Diagnostics catalogue TrumaCombi Page 46 / 57 04.02.2019 Flashing code: ls llsl llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0735 Flashing code: ls llsl llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0736 Flashing code: ls llls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0737 Flashing code: ls llls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0738 Flashing code: ls llls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0739 Flashing code: ls llls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0740 Flashing code: ls llls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0741 Flashing code: ls llls slsl Fault description: Fault in the electronics
  • 47.
    Diagnostics catalogue TrumaCombi Page 47 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0742 Flashing code: ls llls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0743 Flashing code: ls llls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0744 Flashing code: ls llls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0745 Flashing code: ls llls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0746 Flashing code: ls llls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0747 Flashing code: ls llls lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0748 Flashing code: ls llls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
  • 48.
    Diagnostics catalogue TrumaCombi Page 48 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0749 Flashing code: ls llls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0750 Flashing code: ls llls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0751 Flashing code: ls llls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0752 Flashing code: ls llll ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0753 Flashing code: ls llll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0754 Flashing code: ls llll ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0755 Flashing code: ls llll ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 49.
    Diagnostics catalogue TrumaCombi Page 49 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0756 Flashing code: ls llll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0757 Flashing code: ls llll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0758 Flashing code: ls llll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0800 Flashing code: ll ssls ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0801 Flashing code: ll ssls sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0802 Flashing code: ll ssls ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0803 Flashing code: ll ssls ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0804
  • 50.
    Diagnostics catalogue TrumaCombi Page 50 / 57 04.02.2019 Flashing code: ll ssls slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0805 Flashing code: ll ssls slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0806 Flashing code: ll ssls slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0807 Flashing code: ll ssls slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0808 Flashing code: ll ssls lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0809 Flashing code: ll ssls lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0810 Flashing code: ll ssls lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0811 Flashing code: ll ssls lsll Fault description: Fault in the electronics
  • 51.
    Diagnostics catalogue TrumaCombi Page 51 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0812 Flashing code: ll ssls llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0813 Flashing code: ll ssls llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0814 Flashing code: ll ssls llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0815 Flashing code: ll ssls llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0816 Flashing code: ll ssll ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0817 Flashing code: ll ssll sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0818 Flashing code: ll ssll ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
  • 52.
    Diagnostics catalogue TrumaCombi Page 52 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0819 Flashing code: ll ssll ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0820 Flashing code: ll ssll slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0821 Flashing code: ll ssll slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0822 Flashing code: ll ssll slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0823 Flashing code: ll ssll slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0824 Flashing code: ll ssll lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0825 Flashing code: ll ssll lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 53.
    Diagnostics catalogue TrumaCombi Page 53 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0826 Flashing code: ll ssll lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0827 Flashing code: ll ssll lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0828 Flashing code: ll ssll llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0829 Flashing code: ll ssll llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0830 Flashing code: ll ssll llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0831 Flashing code: ll ssll llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0832 Flashing code: ll slss ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0833
  • 54.
    Diagnostics catalogue TrumaCombi Page 54 / 57 04.02.2019 Flashing code: ll slss sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0834 Flashing code: ll slss ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0835 Flashing code: ll slss ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0836 Flashing code: ll slss slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0837 Flashing code: ll slss slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0838 Flashing code: ll slss slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0839 Flashing code: ll slss slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0840 Flashing code: ll slss lsss Fault description: Fault in the electronics
  • 55.
    Diagnostics catalogue TrumaCombi Page 55 / 57 04.02.2019 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0841 Flashing code: ll slss lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0842 Flashing code: ll slss lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0843 Flashing code: ll slss lsll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0844 Flashing code: ll slss llss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0845 Flashing code: ll slss llsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0846 Flashing code: ll slss llls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0847 Flashing code: ll slss llll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit
  • 56.
    Diagnostics catalogue TrumaCombi Page 56 / 57 04.02.2019 or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0848 Flashing code: ll slsl ssss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0849 Flashing code: ll slsl sssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0850 Flashing code: ll slsl ssls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0851 Flashing code: ll slsl ssll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0852 Flashing code: ll slsl slss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0853 Flashing code: ll slsl slsl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0854 Flashing code: ll slsl slls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new
  • 57.
    Diagnostics catalogue TrumaCombi Page 57 / 57 04.02.2019 electronics using the Diagnose Tool Fault No.: 0855 Flashing code: ll slsl slll Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0856 Flashing code: ll slsl lsss Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0857 Flashing code: ll slsl lssl Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Fault No.: 0858 Flashing code: ll slsl lsls Fault description: Fault in the electronics 1. Action: Ensure 12 V voltage under load at appliance input and check for AC voltage components that can be generated by the power supply unit or solar system. 2. Action: Replace the electronics, enter heater serial number on the new electronics using the Diagnose Tool Powered by TCPDF (www.tcpdf.org)