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AC won't cycle

Runs fine on full cool setting on thermostat but the compressor lugs down when it try's to cycle. I have replaced the thermostat and start capacitor and the problem persists

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It could be that your unit is going into thermal overload. This can happen from several factors. Unit could be dirty(inside or outside coils) they can be cleaned with a degreaser or 409, but must be rinsed thoroughly. Location of indoor coils is close to where the indoor fan is, you'll need a 1/4 or 5/16ths driver to remove protective panel. Or your unit may be short on freon or the compressor valves are shot. These items need to be checked by a certified Tech. Good luck and reply if you have further info

Posted on Jul 15, 2009

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