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    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
    Ultra Member
    		  
    #1

    Oct 23, 2006, 02:51 PM
    Heat pump
    My condensing fan motor is humming. I just replaced the capicitor 2 weeks ago and visually it looks OK. Will the motor hum if the unit is in defrost cycle?
    rickdb1's Avatar
    rickdb1 Posts: 185, Reputation: 15
    Junior Member
    		  
    #2

    Oct 23, 2006, 03:33 PM
    No. The condenser fan motor will be doing nothing when in the defrost mode... Why did you replace the capacitor?
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
    Ultra Member
    		  
    #3

    Oct 23, 2006, 03:39 PM
    The fan motor was bad so I replaced it and the cap as well. All has worked fin until tonight. If in the defrost mode would have it been the compressor I heard? How long does an average defrost cycle last?
    rickdb1's Avatar
    rickdb1 Posts: 185, Reputation: 15
    Junior Member
    		  
    #4

    Oct 23, 2006, 04:08 PM
    Yes, you would hear the compressor. It will last only a few minutes...
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