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How to Interpret and Deal With Instrument Fault Codes

G51 Display Fault Code(Suitable for models: :F1,F1Pro,F2,F2Pro,DK200,DK200Pro)

  1. **E02: **Brake Lever Fault; The brake lever is broken
    **Solution: **Remove the brake lever cable; If the fault code disappears, replace the brake lever


  1. **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


  1. **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


  1. **E09: **Controller Malfunction; Is there a short circuit in the motor wire? The controller is broken?
    **Solution: **Replacing the controller


  1. **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)

  1. **br0000: **Brake Lever Fault; Does the brake lever return to its original position?
    **Solution: **Replace the brake lever


  1. **E001: **Controller Malfunction; Check the connection of each line in the controller, unplug it and plug it back in.
    **Solution: **Replace the controller


  1. **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


  1. **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


  1. **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


  1. **Error05: **Brake Lever Fault; Does the brake lever return to its original position?
    **Solution: **Replace the brake lever


  1. **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


  1. **Error07: **Motor Fault;
  • 1. Check if the motor wires are damaged;
  • 2. Re-plug and unplug the motor cable.
    **Solution: **Replace the motor


  1. **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


  1. **Error09: **Controller Malfunction; Is there a short circuit in the motor wire? The controller is broken?
    **Solution: **Replace the controller


  1. **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

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