AO-A1 Error Code

Error Code

Fault

Diagnostic Step

Solution

E-01

Motor Hall failure

Check whether the motor wires are connected properly or

whether the colored wires are connected incorrectly.

If there is no problem with each circuit, the

motor needs to be replaced.

E-02

Brake lever failure

After the system is powered on, check whether the brakes

are working properly.

If the brake signal is less than 0.75V for a long

period of time, the brake lever needs to be

replaced.

E-06

Low voltage protection

Check if the battery is used up.

The battery is dead and needs to be charged.

E-07

Phase fault

Check whether the motor wires are connected properly or

whether the colored wires are connected incorrectly.

If there is no problem with each circuit, the

motor needs to be replaced.

E-08

Accelerator failure

Check if the accelerator is reset.

After the accelerator is reset, if the handlebar

signal is still less than 0.75V, the accelerator

needs to be replaced.

E-09

Controller failure

Controller failure

Replace controller

E-010

Communication failure

The controller cannot receive the instrument signal. Check

whether the yellow line of the controller is connected

properly

Replace meter

E-011

Communication fail

The instrument cannot receive the signal from the controller.

Check whether the green line of the controller is connected

properly

Replace controller