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    blk79vett's Avatar
    blk79vett Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jul 14, 2007, 08:55 AM
    Outside condenser (heatpump) not working in cooling mode
    My Goodman heatpump consonsor will not start in cooling mode. I have 240 volt and 24 volt at the condenser, but the unit still won't turn on when I call for cooling. The unit has a defrost circuit board. Need help. Thanks
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jul 14, 2007, 10:09 AM
    If you push the compressor contactor in manually will the unit start? If yes trace the low voltage in the outside condenser to find the defective part.

    Another test can be to try to run the unit in heat pump mode. If it comes on it could be a problem with the reversing valve coil . Caution!! Only run the unit in the heat pump mode to see if it works. Heat pumps in the heat mode do not like to run in hot weather and the unit can be damaged by allowing the unit to run in hot weather.
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
    Ultra Member
    		  
    #3

    Jul 14, 2007, 10:42 AM
    Some units have a manual reset high pressure switch , normally a red button, reset by pushing, causes for popping this button are dirty condenser coil (wash) , bad condenser fan motor (replace) Overcharge of refrigerant (call A/C service tech )
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