It is inevitable that some problems will occur when the electric vehicle controller is used for a long time. Many maintenance masters will encounter customers to check the controller for "incurable diseases". Today, Adgo lists some common problems and solutions to facilitate maintenance masters to improve efficiency, and can quickly do some simple troubleshooting when there is a problem with the controller.

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The rotating handle can sometimes turn, and sometimes it needs to help the motor to turn? Check if the lower phase wire is plugged in, if the problem cannot be solved, the controller is damaged and needs to be replaced.

What is the reason for the loud noise at startup?

The motor itself is noisy. Due to the design or overheating of the motor, it may cause a lot of noise during startup after being used for a long time. Solution: replace the motor.

Controller and motor matching problems, controller software is not perfect, and compatibility is not strong. Solution: replace the high-standard controller.

After the motor starts to a certain speed, it will resonate with the electric bicycle. The solution is to use other electric bicycles or controllers to specifically match such vehicles (the effect may not be very obvious).

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