1. The water temperature does not meet the requirements: Most of today's car radiator fans use electronic temperature control to work. Therefore, generally only when the water temperature in your car reaches the required temperature, the fan will start to rotate normally. If the temperature exceeds If it is low, the radiator fan will not rotate. Therefore, when your car's radiator fan fails to rotate, you should first check to see if the water temperature meets the requirements.
2. Relay failure: If the water temperature meets the requirements but the car's radiator fan still cannot work, then there may be a problem with the fan's relay. If the relay fails, the car's radiator fan will not work either.
3. There is a problem with the temperature control switch: If there is no problem in the above two aspects, then you need to check the temperature control switch. Sometimes there will be some faults in this place, which will also cause problems to the operation of the car radiator fan. To a certain extent, a short circuit in the circuit is most likely to cause damage to the motor, or damage to the motor may also be caused by baking from an external high-heat source.