42
Sierra LSV Owner’s Manual
LCD ERROR CODES
065
CODE Fault Name
Fault Cause
Corrective Action
066
067
068
069
06A
06B
06C
06D
06E
06F
070
071
073
077
07B
082
Power on sequence error
1. Press the accelerator while turning on the key switch.
2. Poor contact of accelerator accessories.
3. Accelerator wiring error.
4. The accelerator signal and controller do not match.
1. The battery voltage is too high.
2. The rated voltage of the battery does not match the controller.
3. Battery parameter setting error.
4. The internal resistance of the battery is too high.
5. Abnormal battery connection.
1. Repair or replace the battery.
2. Reset the battery parameters.
3. Repair the battery circuit connection.
1. The main contactor inside the controller is faulty.
2. Abnormal connection of B+terminal.
3. The B+fuse is blown.
1. The main contactor inside the controller is faulty.
2. Abnormal connection of B+terminal.
3. The B+fuse is blown.
1. The motor temperature is too high.
2. The motor temperature threshold setting is incorrect.
3. The motor temperature sensor and controller do not match.
Internal EEPROM fault in the controller.
1. Reduce the motor temperature.
2. Reset the motor temperature threshold parameters.
3. Replace the motor temperature sensor.
1. Restart the key switch.
2. Replace the controller.
3. Replace the B+fuse.
1. The motor is short circuited.
2. The internal power tube of the controller is damaged.
1. Abnormal UVW circuit.
2. The current sensor in the controller fails.
1. The motor is blocked.
2. The motor encoder is faulty.
CAN communication line malfunction
1. Restart the key switch.
2. Replace the motor encoder.
Repair the CAN communication circuit and
restart the key switch.
1. Repair the UVW circuit.
2. Replace the controller.
1. The controller’s temperature exceeds the limit, resulting
in limited functionality.
2. The external environmental temperature is too high.
3. Poor heat dissipation of the controller.
4. Vehicle overload operation.
1. Accelerator connection error.
2. Poor contact of the accelerator.
3. The accelerator does not match the controller.
4. The accelerator is damaged.
1. The battery voltage is too low.
2. The rated voltage of the battery does not match the controller.
3. Battery parameter setting error.
4. The internal resistance of the battery is too high.
5. Abnormal battery connection.
1. Repair or replace the battery.
2. Reset the battery parameters.
3. Repair the battery circuit connection.
1. Replace the motor.
2. Replace the controller.
1. Restart the key switch.
2. Replace the controller.
1. Restart the key switch.
2. Repair or replace the accelerator.
1. The electromagnetic brake is damaged.
2. The electromagnetic brake circuit is short circuited.
After the controller is powered on, it is detected that the
vehicle is charging.
1. Motor UVW short circuit.
2. Motor failure.
Powered up when the gear is in D or R
Unplug the charger and restart the key switch.
Repair the motor and restart the key switch.
Restart the key switch when the gear is in N
1. Replace the electromagnetic brake.
2. Repair the electromagnetic brake and restart the key switch.
Lower the temperature of the controller to below
85
0
and restart the key switch.
1. Restart the key switch.
2. Replace the controller.
3. Replace the B+fuse.
1. Release the accelerator and restart the key
switch.
2. Repair the accelerator circuit.
B+ Main circuit fault
Output Line Fault
Controller
Overtemperature
Main contactor failure
Current sensor fault
Encoder Failed
CAN communication timeout
Battery undervoltage
Battery overvoltage
Motor over-temperature
EEPROM fault
Accelerator malfunction
Electromagnetic brake
failure damaged
Do not drive while charging
Current exceeding limit
Powered up when the gear is in D or R
Error Codes