Author Topic: Heat Pump Condensor Fan  (Read 847 times)

Offline Freddydoo

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Heat Pump Condensor Fan
« on: July 18, 2018, 05:53:57 PM »
On cooling, fan runs for about a day then stops.  Leave system off for 1-2 days, try again, works again for another day.  Thermostat was changed, still same issue.  What may be the issue?

Offline Admin

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Re: Heat Pump Condensor Fan
« Reply #1 on: July 18, 2018, 06:17:04 PM »
Is the compressor also running?  Is the system cooling?

If the compressor stops but the condenser fan motor keeps running your heat pump could be equipped with a relay that is causing the problem.

Offline Freddydoo

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Re: Heat Pump Condensor Fan
« Reply #2 on: July 18, 2018, 07:37:49 PM »
System cools but just for a day or two.  Unfortunately the system usually stops sometime during the night. Both compressor and fan not working.  We turn the thermostat off.   Try a few hours later.  Nothing.  We try a day or 2 later, it works. 

Offline Admin

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Re: Heat Pump Condensor Fan
« Reply #3 on: July 18, 2018, 08:03:33 PM »
Does the indoor fan only run when the cooling starts?  If so, is it still running when the AC stops working, during a call for colling?

Offline Freddydoo

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Re: Heat Pump Condensor Fan
« Reply #4 on: July 18, 2018, 08:17:53 PM »
No the indoor fan still runs.

Offline Gander

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Re: Heat Pump Condensor Fan
« Reply #5 on: July 18, 2018, 09:46:35 PM »
Would have to know more details, but, it could be as simple as a weak capacitor, or even contactor.

Offline Admin

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Re: Heat Pump Condensor Fan
« Reply #6 on: July 19, 2018, 04:01:55 AM »
Yes, my bet would be a bad contactor.

Offline harshal

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Re: Heat Pump Condensor Fan
« Reply #7 on: July 19, 2018, 05:33:34 AM »
Replace both to avoid the call back.A lit of capacitors this year in GTa area maybe of the longer run time.

Offline Jorgebaloy

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Re: Heat Pump Condensor Fan
« Reply #8 on: July 20, 2018, 10:23:48 AM »
If you are in AC mode and the fan was not turning its not a defrost issue and is some sort of fan problem. Have you tried giving the fan a push with a stick? If this starts it normally I would say it was a bad start cap, but since you have already checked that I suppose it could also point to a bad winding on the fan motor. If the stick trick doesn't yield any results your looking at no power at the fan and that could be anything from a loose connection to a bad fan relay.