What are the reasons for the blower not producing air?

1 Answers
StRiver
07/29/25 2:40pm
The reasons for the blower not producing air include evaporator blockage or blower resistor failure. Below is more relevant information: 1. Evaporator blockage: Depending on external environmental conditions and the maintenance status of the air conditioning system, a layer of impurities may form on the surface of the air conditioning evaporator, reducing its ventilation efficiency and obstructing airflow at low speeds. In such cases, cleaning and washing the evaporator can resolve the issue. 2. Blower resistor failure: The blower resistor is a component that controls the operation of various fan speed levels at low speeds in the air conditioning system. If the resistor fails, it can cause the aforementioned phenomenon. It is recommended to visit a repair shop for inspection and measurement. If the resistor's value exceeds the usable range, replacement is advised.
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