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What's the reason when the car AC indicator light is on but the compressor doesn't start?

1 Answers

ManuelLee

07/29/25 8:05pm

The reason why the car AC indicator light is on but the compressor doesn't start is due to compressor damage. The following describes the process of air conditioning refrigeration: 1. Compressor operation: When the car air conditioning is cooling, the compressor clutch will engage, at which time the engine drives the compressor to operate. During operation, the compressor continuously compresses the refrigerant and delivers it to the evaporator. 2. Refrigerant operation: The refrigerant continuously expands and absorbs heat in the evaporator, cooling the evaporator; the cooled evaporator then cools the air blown by the blower, allowing the car air conditioning vents to blow cold air.

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