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Mini Air Cooling Fan troubleshooting

Date: 2015-2-27   Click: 1267 Times

 1. Open the "Mini Air Cooling Fan" cover, remove the rotor. Check the shoe and the gap between the shaft, the gap is too large can not be used. If the bearing is damaged severely, the rotor shaft wear and should be replaced with new parts.
2. Check the electrical failure of one) to check all parts of the terminal point of the line.
3, with a long time due to "Mini Air Cooling Fan" wear. If a fan with a long time, the motor will loss, after the motor bushings wear can easily burn. And this time, the motor resistance is also larger, with a load capacity becomes low, the blades will not rotate easily. Also make long-term wear between the shaft and the shaft is too big a gap, so that the blades do not turn.
4, due to overheating "Mini Air Cooling Fan" does not turn. The device in the fan motor is inside the motor will have a thermal circuit breakers, if the local coil winding shorted, will increase the amount of heat in a short time, in which case the motor would "strike" does not move up. In addition, the motor is too hot, it will be a corresponding deterioration of load capacity, thus causing power becomes low, does not bring the blades rotate.

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