Common reasons and maintenance methods for the fan not rotating outside the air conditioner

Common reasons and maintenance methods for the fan not rotating outside the air conditioner After the air conditioner is used for a long time, or the installation process is not in place, the fan of the air conditioner may not rotate. If such a problem occurs, you should find professional maintenance personnel to repair it. In the end, what are the common reasons and maintenance methods for the fans of the air conditioner's external unit not to turn? There are four common reasons. The maintenance methods are described below:

　　 Reason 1. The main control switch is in poor contact.

　　 Repair method: Use a multimeter to measure the resistance of the main control switch contact. If the resistance is too large or zero, repair or replace it.

　　 Reason two, the fan motor coil is damaged.

　　 Repair method: Use a multimeter to measure the resistance of the main control switch contact. If the resistance is too large or zero, repair or replace it.

　　 Reason three, the set screw between the fan motor and the fan blade is loose.

　　Maintenance method: tighten the set screw

　　 Reason four, the fan capacitor is open or short-circuited.

　　 Repair method: check the capacitor and replace the capacitor with the same specification.

It is said that if the air conditioner is to be used well, it is necessary to pay attention to the installation. People in the industry say that the air conditioner is "three-point quality and seven-point installation". After the air conditioner leaves the factory, it is regarded as a semi-finished product. Finished product. Therefore, if you want the air conditioner to be convenient and smooth to use, you must pay attention to it when installing it.