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What are the reasons why the car's air conditioning fan is not working?

1 Answers

VonSamuel

07/25/25 2:05am

Poor water temperature control, transformer current too low, or fan malfunction, such as the fan not rotating, are all contributing factors. The specific reasons may include issues with the water temperature. If the water temperature is not properly controlled, the cooling fan will not operate. Generally, at low temperatures, the water temperature sensor does not affect the generator's ability to start the fan, which can also impact the car's cooling fan operation. Therefore, it is essential to appropriately control the water temperature to meet the required specifications. The adjustment of fan speed relies on the transformer. Hence, when the internal current of the transformer is too low or there is an internal malfunction, it will affect the operation of the cooling fan. Thus, it is necessary to check whether the current passing through the transformer is within the normal range and to inspect this part for any abnormalities. The reason the car's cooling fan is not working may be related to the fan itself. It is crucial to conduct a thorough inspection and perform timely repairs or replacements to avoid affecting the car's performance.

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