Goodman AC/Heat Pump not working

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Old 07-07-13, 08:19 AM
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Question Goodman AC/Heat Pump not working

Hello,

I have a Goodman GSH140361A Heat Pump (about 7 years old) that is not working. I left the house for a few hours Saturday July 6th and when I came home I noticed how warm it was inside. When I checked the Heat Pump, I noticed that the fan was not spinning and there was just a humming noise coming from the unit. After reading some posts on here, I took the advice of attempting to manually get the fan spinning with a stick, which did work ... however, no cool air has been produced. I have read different posts here regarding what the issue could be (contactor, capacitor, compressor). With the fact that even with the fan spinning again, but no cool air, does this point to the compressor or is it possible that the much cheaper contactor or capacitor could be at fault here?

Thanks for the help.
 
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Old 07-07-13, 09:17 AM
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The primary purpose of the fan on the outside unit (compressor & condenser) is to both cool the compressor and to pull air through the condenser coils to cool it. If the compressor is running without the fan, you will get cool air for a few minutes, until the outside unit gets too hot and either the pressure gets too high (which will turn off the unit), or the compressor motor overheats (thermal cutout should turn of the system).

Since the fan isn't running without a push start, I would go ahead and replace the capacitor for the fan, since that is the most likely cause. Whether that will restore normal operation remains to be seen. After everything has cooled down (could take several hours), you could try turning it on and listen to see if the compressor turns on. If it does, then it's likely that replacing the capacitor is the problem. If you don't hear the compressor turn on, then it will require further troubleshooting. It may be the contactor, a broken wire, bad thermostat, etc.. Either way, whether the compressor comes on or not, don't leave the system running for more than a few minutes without the fan running.
 
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