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Reverse Cycle not cooling!

My Fedders 3 ton unit split system worked fine on ac until I turned on the heat. Now the ac blows hot and heat is not very hot. I checked the reverse valve at outside unit and it energizes when called to do so. Control voltages are what they are supposed to be at all locations. My idiot lights on outside unit indicate a short cycle as soon as the ac is turned on. This indication resets about 5 minutes after turning off ac at
t stat.

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I had a service man come out and he said the compressor was not coming on so he installed a hard start in parallel with capacitor solving the problem and is working normal now.

Posted on Dec 01, 2008

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