Error Codes Bafang C961
Bafang C961 LCD Display (UNI MK / Swing / Bobber V4/V5/V6)
Error Codes |
Definition/Description |
Source/Part |
Solution/Handle |
ER01 |
ER04 |
Throttle not returning to zero state |
Thumb Throttle |
Try to flick the throttle. Exchange throttle. Dry the throttle plug in the wiring harness! |
ER05 |
Throttle abnormality |
Thumb Throttle |
Check connection, replug it. Replace throttle. |
ER06 |
Low voltage protection |
Controller/Battery |
Check the battery voltage. Recharge Battery. |
ER07 |
Overvoltage protection |
Controller/Battery |
Check the battery voltage. Wrong Battery: e.g. 48V instead of 36V |
ER08 |
Hall Sensor Abnormality |
Controller/Motor Cable |
Check hall sensor cables/signal of hall sensors. |
ER09 |
Phase line abnormality |
Controller/Motor Cable |
Check three-phase wires (yellow, green, blue) for damages, bents. Replace motor cable. |
ER10 |
Controller overheat |
Controller |
Allow the system to cool down. Load too high (uphill, heavy cargo/passenger). |
ER11 |
Temperature sensor in controller abnormality |
Check temperature sensor signal. |
ER12 |
Current sensor abnormality |
Check signal |
ER21 |
Speed sensor abnormality |
ER22 |
Communication abnormality in BMS |
Controller/Battery |
ER30 |
Communication abnormality |
Display/Controller |
Check wiring harness for damages/tilts. Make sure all cables/plugs are connected properly. Exchange the display unit. |