E-bike

Bafang error codes

Bafang (M200–M820, BBS, hub motors – DP C07/C10/C18/C240/500C displays)

Code	Meaning	Component	Reliability
04	Throttle does not return to zero	Throttle	Per manufacturer documentation
05	Throttle fault	Throttle	Per manufacturer documentation
07	Over-voltage protection	Voltage	Per manufacturer documentation
08	Hall signal error inside the motor	Hall sensor	Per manufacturer documentation
09	Motor phase error	Motor phase	Per manufacturer documentation
10	Motor internal temperature reached its protection value	Temperature	Per manufacturer documentation
11	Motor internal temperature sensor fault	Temperature	Per manufacturer documentation
12	Current sensor fault in the controller	Current	Per manufacturer documentation
13	Battery internal temperature sensor fault	Temperature	Per manufacturer documentation
14	Controller internal temperature reached its protection value	Temperature	Per manufacturer documentation
15	Controller internal temperature sensor fault	Temperature	Per manufacturer documentation
21	Speed sensor fault	Speed signal	Per manufacturer documentation
22	BMS communication fault	BMS (battery protection)	Per manufacturer documentation
23	Headlight fault	Lights	Per manufacturer documentation
24	Headlight sensor fault	Lights	Per manufacturer documentation
25	Torque sensor torque-signal fault	Torque sensor	Per manufacturer documentation
26	Torque sensor speed-signal fault	Torque sensor	Per manufacturer documentation
27	Over-current in the controller	Current	Per manufacturer documentation
30	Communication fault	Communication	Per manufacturer documentation
33	Brake signal fault	Brake switch	Per manufacturer documentation
35	15 V detection circuit fault	Controller	Per manufacturer documentation
36	Keypad detection circuit fault	Display	Per manufacturer documentation
37	WDT (watchdog) circuit fault	Controller	Per manufacturer documentation
41	Total battery voltage too high	Voltage	Per manufacturer documentation
42	Total battery voltage too low	Voltage	Per manufacturer documentation
43	Total power from battery cells too high	Battery	Per manufacturer documentation
44	Single cell voltage too high	BMS (battery protection)	Per manufacturer documentation
45	Battery temperature too high	Temperature	Per manufacturer documentation
46	Battery temperature too low	Temperature	Per manufacturer documentation
47	Battery SOC too high	BMS (battery protection)	Per manufacturer documentation
48	Battery SOC too low	BMS (battery protection)	Per manufacturer documentation
61	Shift detection fault	Shifting	Per manufacturer documentation
62	Electronic derailleur cannot release	Shifting	Per manufacturer documentation
71	Electronic lock is jammed	Lock	Per manufacturer documentation
81	Bluetooth module fault	Bluetooth	Per manufacturer documentation