Ventilation fan motor factory, electric fan common faults: electric fan motor only hear whine not to turn, what is the reason?
There are several possibilities:
1. The starting capacitor is broken. If there is no other problem, the lower blade will turn.If the capacitor is broken, replace it with one.
2. Bearing jammed;Clean the bearing and lubricate it;
3. Motor coil - phase break, and - connected electricity, so there is the sound of current and can not rotate, to repair the motor or replace a new motor.
The electric fan stops suddenly. What causes this?
1, electric fan stops working suddenly, besides the problem that line of timer, power supply supplies, 2, still have the possibility to be some electric fan is equipped with fuse, it fuses also can make circuit impassability and do not work.3, and if the motor is stopped in operation but still "hum" sound, it is possible that the winding (coil) of the motor has broken the wire fault (usually "burned out"), 4, if the operation is normal, but after the shutdown and reboot does not turn, and the motor has "hum" sound,And with - - fine things (such as wire, veneers and so on items) dial the fan blade can turn, but the speed is slower, it may be the fan's starting capacitor is broken, if the dial also does not turn, it is likely to be the motor's starting winding coil burned.
