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. |
