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List of contents in this article:

• 1, What is the reason why the car air conditioner fan does not turn
• 2
  、What to do if the car fan does not turn

What is the reason why the car air conditioner fan does not turn

There are many reasons why the car's air conditioner fan does not turn, the key include poor contact of the air conditioner switch, fan motor The coil is damaged, the fan bearing falls off, the water temperature does not meet the requirements, etc.

The reasons why the fan of the car air conditioner does not turn are: failure of the fan relay, poor contact of the main control switch, damage to the fan motor coil, failure of the engine water temperature to meet the requirements, etc. It is best to go to the repair shop for inspection in time.

The fan motor coil is damaged. Maintenance method: Use a multimeter to measure the contact resistance of the main control switch. When the resistance is too large or zero, it should be repaired or replaced. The tightening screw between the motor of the fan and the wind blade is loose.Maintenance method: tighten the tightening screw. The fan capacitor is broken or short-circuited.

There are many reasons why the car on-air conditioning fan does not turn, including poor contact with the air conditioning switch, damage to the fan motor coil, fan bearing falling off, water temperature not meeting the requirements, etc.

What's wrong with the car fan not turning

1. Therefore, when your car radiator fan fails to turn, you should first check whether the water temperature meets the requirements.

2. Caused by the aging of the fan itself. Because many engine fans are made of plastic, and the engine compartment is in a high temperature state for a long time. And after a long time, it will lead to the aging of the parts of the engine fan. So the fan won't turn. The sensor signal is affected.

3. The reason why the cooling fan does not turn is that the air conditioning filter is blocked. The function of the air conditioning filter is to prevent the dust outside the car from entering the car. After a long time of use, the air conditioning filter will have stolen goods, odors, and even blockage.

4. The reasons why the car cooling fan does not turn are: the air conditioner filter is blocked, the refrigerator is missing or the air heater tank is blocked; the relay failure and the temperature control switch are wrong; the line is faulty.

5. The car's cooling fan does not turn because the cold relay fails. If the water temperature meets the requirements and the radiator fan of the car still does not work, then there may be a problem with the relay of the fan. If the relay fails, the radiator fan of the car will also not work.

Analysis and solution introduction of the cause of the car fan not turning

1. If there is a problem with the temperature control switch, it will also affect the rotation of the car radiator fan. It is an inevitable relationship, so you should also pay attention to the detection. Solution: Replace the damaged temperature control switch. Driving the fan airflow is conducive to reducing the water temperature, but the lower the water temperature, the better. If the engine temperature is too low, it may not be good.

2. The water temperature of the car does not meet the requirements. Nowadays, most of the car radiator fans work with electronic temperature control, so generally, only when the water temperature in your car reaches the temperature that meets the requirements will the fan begin to rotate normally. If the temperature is too low, the radiator fan cannot turn. Move.

3. Check the fuse. The car fan is usually driven by an electric motor. If you find that the fan does not turn, first check whether the fuse is burned out. You can check the vehicle user manual, find the corresponding fuse position, and check whether it is burned or loose. If you need to replace the fuse, it is recommended to use the same grade and specification as the original fuse.

4. There may be a problem with the relay of the engine fan. If the relay fails, the fan will not work, and we need to replace the relay.

What to do if the car fan doesn't turn

1. It may be that the fan can't turn because the fan fuse of the car is burned out, so you can replace the fuse. After this simple treatment, the fan of the car will rotate under normal circumstances. But you still have to go to the auto repair shop for inspection to find out the reason why the fuse is burned out, so that the problem can really be solved.

2. Solution: Replace the damaged temperature control switch. Car fans do not turn: Function Most car fans are used to cool the water tank. Sub-models and economy models are basically big fans. Most luxury cars are basically two small fans. The fan cooling tank of the luxury car air conditioning box is in front of the water tank.

3. Cars equipped with water-cooled engines have heat sinks at the front of the car, and there is an electronic fan behind this heat sink.When the electronic fan is turned on, it sucks air inward, which can speed up the airflow through the water tank to help the water tank dissipate heat.