The air conditioner fan motor manufacturer tells you that although the motor fan has high reliability, it is still a mechanical device. When used for a long time, its speed may drop or even stop, so it is best to monitor the running status of the fan in real time.so that problems can be detected in time.

Fan Motor Notes:
1 Look at random files
The motor fan is randomly equipped with the instruction manual, product certificate, electrical circuit diagram and packing list. It is necessary to check the packing list and check the parts.
2 Look at the shape of the motor fan
Carefully check the motor fan grille and fan blades for obvious deformation. Rotating the fan blades should be light and flexible, and should not always stop at the same position.
3 Look at startup performance
The starting performance is an important quality indicator of the motor fan. The manufacturer of the air conditioner fan motor tells you that during the inspection, when the rated voltage of the power supply is 85% in the slow gear, the motor fan should be able to start from a standstill and operate normally. The shorter the time it takes for a motor fan to start to normal operation, The better the starting performance of the motor fan.
4 Look at the speed regulation performance
After the power is turned on, there should be no abnormal noise in the mechanical transmission part of the fan. When the electric fan is running at high, medium and low speed, the motor and fan blades should be stable, with low vibration and low noise. The air conditioner fan motor manufacturer tells you that the motor fan should shake its head and stop quickly, without interruption, stagnation and shaking.
5 to see if there is leakage
After the motor fan is charged, if you feel numbness when you touch it, use a test pen to test it. The test pen also has a light-emitting display, which can determine that the casing is leaking and cannot be used.
6 Look at the continuous operation of the motor fan
After the electric fan runs continuously for 2 hours, if the surface of the machine head casing is hot, it means that the temperature is too high and cannot be used. The manufacturer of air conditioner fan motor tells you that under normal circumstances, the surface temperature of the machine head shell is below 50°C, and there should be no hot feeling.