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Old 07-07-2011, 05:38 PM   #1
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Compressor overheats after 5 minutes


I have a window a/c unit that stopped working. The fan only hummed. I replaced the capacitor and then the unit starts normally, but after about 5 minutes the compressor shuts down, apparently due to overheating. The fan continues to run. It takes about 15 minutes for the compressor to cool down and reset. I was thinking low on refridgerant, but the compressor does not freeze up, but rather heats up. When the unit is first turned on it has cold air blowing.

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Old 07-07-2011, 05:51 PM   #2
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Compressor overheats after 5 minutes


did you take it to the car wash and flush out the outer condensor coil and check the inside one for dirt. slide the cover off like a sleeve to get at the internals.it needs freon to cool the compressor and if low then it will overheat.it may cool for a few mins then eventually overheat the compressor.

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