| Err code | Definition | 
| 10 | Over voltage protection | 
| 11 | Low voltage protection | 
| 21 | Controller MOSFET damaged or controller over current | 
| 12 | Motor stalling | 
| 24 | Motor hall fault | 
| 23 | Motor phase wire fault | 
| 22 | Throttle voltage is too high | 
| 13 | Controller/motor over temp protection | 
| 14 | Controller voltage fault | 
| 15 | Abnormal PAS assistance | 
| 16 | MCU self-test fault | 
| 17 | Run away protection | 
| 18 | Pedal sensor fault | 
| 19 | Speed sensor fault | 
| 25 | Brake fault | 
| 30 | Display communication fault |