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    tonymo48's Avatar
    tonymo48 Posts: 1, Reputation: 1
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    #1

    Jul 5, 2009, 02:05 PM
    Compresser will not shut off
    My central air unit is working but the compresser will not shut off and there is frost on the pipe help.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Jul 5, 2009, 03:15 PM
    When you say compressor,I guessing u are saying the fan motor outside also will not cut off, is this correct?
    If so you probably have a stuck contactor(behind the panel of the condenser unit)
    Or either a shorted low voltage wire that runs from the airhandler to the condenser
    The condenser runs on high 230 volts electric so I recommend unless you are experienced that you call out the pro`s,, the power must be turned off if you attempt to remove and replace the contactor
    dac122's Avatar
    dac122 Posts: 463, Reputation: 17
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    #3

    Jul 6, 2009, 05:47 AM

    Yes, is the fan still running? How about your air handler blower? I would definitely check the contactor.
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