Motor temperature is too high or smoking causes

1, the power supply voltage is too high or too low;

2, overload;

3, operation of single phase motor;

4, the stator winding ground fault;

5, damage of bearing or bearing too tight;

6, stator winding or phase to phase short circuit;

7, the ambient temperature is too high;

8, the motor is not smooth or fan duct damage.

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