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What are the reasons for the car air conditioning compressor not starting?

1 Answers

EmmanuelLynn

07/29/25 6:51pm

There are several reasons why a car air conditioning compressor may not start: 1. Short circuit or open circuit in the electrical system, which directly cuts off the power transmission path, preventing the electromagnetic clutch from properly regulating the compressor's operation. 2. The refrigerant and lubricating oil are mutually soluble and circulate back to the compressor through the system. If the Freon in the refrigerant is depleted, it can lead to insufficient oil return, reducing the compressor's lubrication effect and causing it to seize or damage. In this case, the refrigerant should be replenished promptly. 3. Prolonged operation under high-speed load conditions may cause premature mechanical wear of the compressor's components, rendering it inoperable. 4. Failure to clean the air conditioning system for an extended period can also be a cause, so regular cleaning is necessary.

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