1. Error code direction
Error Code DESCRIPTION
1 The routing circuit of the RPM sensor signal is not functional. The hub motor will vibrate
and make noise.
2 The routing circuit of the TMM4 sensor signal is not functional. It would cause the
system to stop working.
3 The routing circuit of the TMM4 sensor signal is on short circuit. It would cause the
system to stop working.
4 The routing circuit of the RPM sensor on the bottom bracket is not functional. The bike
will only have power for another 1-2 m before it stops.
5 The routing circuit of the motor speed sensor signal is malfunctioning. The power is still
on but the display doesn’t indicate the current speed.
6 The brake lever cut off function is not functional.
7 The throttle function is not functional.
Battery icon
flash
The battery capacity symbol bar flashes and shows no electricity. The battery capacity
could not be accessed by the system.
2.
3.
4.
5.
6.
7. Error Code 6 (Brake Lever Sensor Defect)
Brake Lever Sensor
