https://charlotteheatingandair.com/ Charlotte AC Repair

1. MOST COMMON COMMERCIAL HVAC
PROBLEMS PART TWO
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2. THERMOSTAT MALFUNCTIONS
Many problems associated with thermostat
malfunctions may arise, especially when looking
for the right temperature within a room or
facility. In this context, thermostat malfunctions
are accompanied by intermittent temperature
fluctuations, impacting your comfort.
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3. Thermostats control the temperature by toggling your
HVAC system on and off. It may take 10-15 minutes before it
activates, and the best is to check for a short time to see if
it is operating.

4. If the problem persists, try restarting your
thermostat or call an appliance repair
professional.
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5. A compressor can experience some problems related
to the system pressure. Appliance repair
professionals can check it with specialized tools to
find the compressor-specific issue.
Another failure can arise when the compressor is not
the right one for the unit. Therefore, a technician
must see its characteristics and look for the
appropriate element.
When there the compressor is faulty, this problem may
have several causes and solutions as the following:
COMPRESSOR FAILURE

6. WATER FLOW NOISE DURING OPERATION
Often, you could hear a peculiar noise caused by the compressor or the
evaporator. However, it does not imply a faulty unit, and you have chosen
g a model that is not silent.
On the other hand, it can be a refrigerant flood back noise because of
under-charged refrigerant or any problem originating at the
condenser/compressor making running water sounds.

7. Check electrical current.
Check connections.
Check the circuit panel.
Check unit voltage.
Check the fan motor (the outdoor and the indoor fan) to
see if they blow hot or cool air away from the coils.
When your AC unit does not turn on, it is usually due to an
electrical problem caused by poor maintenance or wiring
damage due to overheating. The checklist you should
perform consists of the following items:

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