How to Interpret and Deal With Instrument Fault Codes
G51 Display Fault Code（Suitable for models: :F1，F1Pro，F2，F2Pro，DK200，DK200Pro）
E02: Brake Lever Fault; The brake lever is broken
Solution: Remove the brake lever cable; If the fault code disappears, replace the brake lever
E07: Motor Fault;
1. Check if the motor wires are damaged;
2 Re plug and unplug the motor cable;
3. Replace the motor.
Solution: Replace the motor
E08: Throttle Fault;
1. The throttle lever did not return to its original position before starting up;
2. The plug of the throttle lever cable is loose;
3. The throttle lever is broken.
Solution: Replace the throttle
E09: Controller Malfunction; Is there a short circuit in the motor wire? The controller is broken?
Solution: Replacing the controller
E10: Communication Reception Failure;
1. Unplug all the wires on the meter and controller and plug them back in;
2. After idling the rear wheel, suspend the rear wheel and turn the foot pedal. Does the meter display the speed? Does the rear wheel emit electrical noise?
3. The controller or motor is broken.
Solution: Replace the controller or motor
YL81F Display Fault Code（Suitable for models: F3PRO,F3PRO MAX）
br0000: Brake Lever Fault; Does the brake lever return to its original position?
Solution: Replace the brake lever
E001: Controller Malfunction; Check the connection of each line in the controller, unplug it and plug it back in.
Solution: Replace the controller
E002: Communication Failure; Check the connection of each line in the controller, unplug it and plug it back in, Check the connection of the motor wires.
Solution: Replace the controller or motor
E003: Hall Fault; Check the connection of each line in the controller, unplug it and plug it back in; Check the connection of the motor wires.
Solution: Replace the controller or motor
E004: Throttle Fault; Check if the throttle lever has returned to its original position; Check the connection of the throttle lever cable.
Solution: Replace the throttle
Error05: Brake Lever Fault; Does the brake lever return to its original position?
Solution: Replace the brake lever
Error06: Battery Undervoltage;
1. Check if the parameter value of P03 is within 48;
2. The battery needs to be charged.
Solution: Replace the battery
Error07: Motor Fault;
1. Check if the motor wires are damaged;
2. Re-plug and unplug the motor cable.
Solution: Replace the motor
Error08: Throttle Fault; Check if the throttle lever has returned to its original position; Check the connection of the throttle lever cable.
Solution: Replace the throttle
Error09: Controller Malfunction; Is there a short circuit in the motor wire? The controller is broken?
Solution: Replace the controller
Error10: Communication Reception Failure;
1. Unplug all the wires on the meter and controller and plug them back in.
2. After idling the rear wheel, suspend the rear wheel and turn the foot pedal. Does the meter display the speed? Does the rear wheel emit electrical noise?
3. The controller or motor is broken.
Solution: Replace the controller or motor
E02: Brake Lever Fault; The brake lever is broken
Solution: Remove the brake lever cable; If the fault code disappears, replace the brake lever
E07: Motor Fault;
1. Check if the motor wires are damaged;
2 Re plug and unplug the motor cable;
3. Replace the motor.
Solution: Replace the motor
E08: Throttle Fault;
1. The throttle lever did not return to its original position before starting up;
2. The plug of the throttle lever cable is loose;
3. The throttle lever is broken.
Solution: Replace the throttle
E09: Controller Malfunction; Is there a short circuit in the motor wire? The controller is broken?
Solution: Replacing the controller
E10: Communication Reception Failure;
1. Unplug all the wires on the meter and controller and plug them back in;
2. After idling the rear wheel, suspend the rear wheel and turn the foot pedal. Does the meter display the speed? Does the rear wheel emit electrical noise?
3. The controller or motor is broken.
Solution: Replace the controller or motor
YL81F Display Fault Code（Suitable for models: F3PRO,F3PRO MAX）
br0000: Brake Lever Fault; Does the brake lever return to its original position?
Solution: Replace the brake lever
E001: Controller Malfunction; Check the connection of each line in the controller, unplug it and plug it back in.
Solution: Replace the controller
E002: Communication Failure; Check the connection of each line in the controller, unplug it and plug it back in, Check the connection of the motor wires.
Solution: Replace the controller or motor
E003: Hall Fault; Check the connection of each line in the controller, unplug it and plug it back in; Check the connection of the motor wires.
Solution: Replace the controller or motor
E004: Throttle Fault; Check if the throttle lever has returned to its original position; Check the connection of the throttle lever cable.
Solution: Replace the throttle
Error05: Brake Lever Fault; Does the brake lever return to its original position?
Solution: Replace the brake lever
Error06: Battery Undervoltage;
1. Check if the parameter value of P03 is within 48;
2. The battery needs to be charged.
Solution: Replace the battery
Error07: Motor Fault;
1. Check if the motor wires are damaged;
2. Re-plug and unplug the motor cable.
Solution: Replace the motor
Error08: Throttle Fault; Check if the throttle lever has returned to its original position; Check the connection of the throttle lever cable.
Solution: Replace the throttle
Error09: Controller Malfunction; Is there a short circuit in the motor wire? The controller is broken?
Solution: Replace the controller
Error10: Communication Reception Failure;
1. Unplug all the wires on the meter and controller and plug them back in.
2. After idling the rear wheel, suspend the rear wheel and turn the foot pedal. Does the meter display the speed? Does the rear wheel emit electrical noise?
3. The controller or motor is broken.
Solution: Replace the controller or motor
Updated on: 18/01/2024
Thank you!