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    cheetah25's Avatar
    cheetah25 Posts: 8, Reputation: 1
    New Member
    		  
    #1

    Aug 19, 2007, 03:09 PM
    Goodman heat pump (humming)
    My ac/heat pump won't put out cold air. The fan blades on top of the unit turns and runs fine, but the compressor won't kick on. It hums for about 5 seconds every 5 minutes or so. Could my thermostat be to blame or some kind of relay?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Aug 19, 2007, 09:08 PM
    More than likely the compressor capacitor is defective or the start components are bad. Worst case is the compressor is defective. Thermostat not the problem.
    cheetah25's Avatar
    cheetah25 Posts: 8, Reputation: 1
    New Member
    		  
    #3

    Aug 20, 2007, 08:58 AM
    I changed the dual capacitor, but not the start assist that comes off it still just humming from compressor but the fan works fine
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