What are the reasons for the blower not working?

1 Answers
LucyFitz
07/30/25 2:10am
The reasons for the blower not working are: 1. Fuse failure; 2. Blower relay failure; 3. Internal failure of the blower motor; 4. Power transistor or blower switch failure; 5. Circuit failure; 6. Air conditioning control unit failure. More details are as follows: 1. The working principle of the blower is similar to that of a centrifugal fan, except that the air compression process is usually carried out under the action of centrifugal force through several working impellers (or stages). 2. The blower has a high-speed rotating rotor, and the blades on the rotor drive the air to move at high speed. The centrifugal force causes the air to flow along the involute shape of the casing to the blower outlet, and the high-speed airflow has a certain wind pressure. New air enters from the center of the casing to replenish.
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