Determining whether an air conditioner compressor is bad involves evaluating both the physical performance and the auditory symptoms of your HVAC system. First, check the air vents inside your home; if the system is running constantly but only blowing ambient or lukewarm air, it suggests the compressor is failing to compress and circulate refrigerant. Next, inspect the outdoor condensing unit: listen closely for a heavy, sustained electrical humming noise paired with repetitive clicking sounds, which indicates the compressor motor is trying to start but failing due to an internal electrical or mechanical seizure. Additionally, if the outdoor unit's circuit breaker continuously trips the moment the compressor attempts to kick on, it points directly to an internal electrical short circuit within the compressor windings.
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