Briefly describe the reasons for poor contact of the motor controller

Used Car have entered our lives with their advantages of convenient travel, low carbon and environmental protection, but sometimes their faults can cause troubles. Next, let`s follow the Used Electric Car manufacturers to understand the causes of poor contact in the motor controller.

There are three reasons for "poor line connection contact" in Used Electric Car motor controllers:

1. Insufficient protection of wires;

2. The connecting wire is worn;

3. The connector is loose."

When the Used Electric Car controller has poor contact problems, the Used Electric Car manufacturer recommends that it be removed from the Used Electric Car, use the naked eye to check whether the outer insulation of the controller connecting wire is damaged, and break it with your hands to check the motor controller. Check whether the wiring port is loose.

Used Electric Car manufacturers said that it should be noted that if it is not serious, it can be repaired. If it does not work, you can also directly replace the motor, and the replacement motor must match the controller, otherwise it will not be used. In summary, the controller will be broken. There are many causes and manifestations, and you can rule them out based on what is mentioned above.