| 0x01 | Controller phase line overcurrent fault | |
| 0x02 | Controller bus overcurrent fault | |
| 0x03 | Controller HALL failure | |
| 0x04 | Brake failure, handlebar failure | |
| 0x05 | Controller temperature failure | |
| 0x06 | Motor temperature failure | |
| 0x07 | | |
| 0x08 | Controller communication failure | |
| 0x09 | Controller overvoltage, undervoltage | |
| 0x10 | Other faults | |
| 0x11 | The motor temperature is high and has reached the protection point | |
| 0x26 | Torque sensor speed signal failure | |
| 0x30 | Communication fail | |
| 0x31 | MCU failure, reference voltage failure, calculation cycle failure | |
| 0x36 | Torque voltage fault | |
| 0x37 | Brake failure, speed sensor failure, detection HALL failure | |
| 0x38 | Temperature sensor failure | |
| 0x40 | Current feedback circuit failure | |
| 0x41 | Drive voltage failure | |
| 0x42 | Abnormal current fault | |
| 0x43 | Motor phase loss fault, motor start and stop timeout fault | |
| 0x50 | Torque voltage detection circuit abnormality | |