Common sense of electric vehicle brush motor maintenance

Turn on the power and lock the car without stopping
Disconnect the handlebar plug of the controller. If the power lock is turned on and the car does not turn, the handlebar is broken; if the power lock is turned on and the car is turning, the controller is broken.
When the power lock is opened, the insurance or the car will be burnt
Disconnecting the controller power plug or motor plug can immediately determine the fault. Disconnect the power plug of the controller and open the power lock. If the fuse is still burned, it is caused by one or more open circuits in the headlights, horns, dashboard, etc.; if the fuse is not burned, the controller or motor is faulty; there is another situation If the insurance value is too low, the insurance will burn if it cannot withstand the high current load, so the capacity should be 20A. The phenomenon of speeding is that the controller is damaged before the speeding occurs (the motor is spinning, the handle cannot be controlled), the controller should be replaced.

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