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Question:

Motor fault of electric vehicle

The motor by hand to turn the speed of great resistance, electricity will only move not to, when I put the ash line disconnected, motor operated by hand is very light, when disconnecting the gray line by hand to make the motor rotate speed, then it will turn, what is the reason?

Answer:

Phase line short-circuit motor will die, the controller's power line breakdown line will short-circuit!!
Basically, you can make sure that the controller is broken because you disconnect the line (the connection between the controller and the motor)
You motor control is broken, change a brushless universal controller is good, in the motor is not the case, the controller is broken, you can judge so

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