| 1,1 Thermal cutback | over or under temperature | 1. Temperature > 92°C or < -25°C; 2. Excessive load on vehicle. 3. Operation in Extreme enviroment. 4. Motor brake not releasing |
| 1,2 Throttle fault 1 | throttle fault | 1. Throttle input wire open or shorted. 2. Throttle pot defective. 3. Wrong throttle type selected. |
| 1,3 Speed limit pot fault | speed limit pot fault | 1. Speed limit pot wire broken 2. Speed limit pot faulty |
| 1,4 Low battery voltage | battery voltage too low | 1. Battery less 8.5 volts under load 2. Bad connection or large voltage drop |
| 1,5 Over voltage | battery voltage too hig | 1. Battery voltage gretaer than 18 volts 2. Intermittent battery connection 3. Charger supplying wrong voltage |
| 2,1 Main off fault | main contactor driver off fault | 1. Main contactor driver failed to open |
| 2,3 Main Cont Flts | main contactor fault | 1. Main contactor welded or stuck open 2. Brake coil resistance too high 3. Main contactor driver fault |
| 2,4 Main on fault | main contactor driver on fault | 1. Main contactor driver failed to close |
| 3,1 Proc/wiring fault | HPD fault present for 10 sec | 1. Misadjusted throttle pot 2. Faulty or worn throttle pot 3. Faulty or worn speed pot |
| 3,2 Brake on fault | brake on fault | 1. Motor brake manually released 2. Motor brake switch faulty 3. Motor brake wire disconnected |
| 3,3 Precharge fault | precharge fault | 1. Very low battery voltage 2. Keyswitch and throttle activated together |
| 3,4 Brake off fault | brake off fault | 1. Motor brake coil open 2. Motor brake coil shorted |
| 3,5 HPD | HPD ( high pedal disable ) | 1. Misadjusted throttle pot 2. Throttle activated before key switch |
| 4,1 Current sense fault | current sense fault | 1. Short in motor or wiring 2. Controller failure |
| 4,2 HW Failsafe | motor voltage fault | 1. Short in motor or wiring 2. Controller Failure 3. Voltage does not match throttle |
| 4,3 EEPROM fault | EEPROM fault | 1. EEPROM failure of fault |
| 4,4 Power section fault | power section fault | 1. EEPROM failure or fault 2. Short in motor or wiring 3. Controller failure |
| 4,5 Battery fault | battery fault | 1. check connectioons to battery and charge battery if necessary |
