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    Paul Gal's Avatar
    Paul Gal Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 8, 2009, 03:07 PM
    Keeprite Furnace Problems
    I have an error 3 flashing dots which means"pressure switch open when should be closed" The unit is 13 months old. I can't get a tech out for 2 days everyone in my area is busy. Any help would be apprecaited.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 9, 2009, 12:43 AM
    Oull off the rubber line on the silver disc device/pressure switch and see if it has water/moisture in it.
    PAULMOLLY's Avatar
    PAULMOLLY Posts: 1, Reputation: 1
    New Member
    		  
    #3

    Nov 26, 2011, 04:45 AM
    The exhust motor is problem it is not work the model is 7021 9594 motor work countunoes not stop the heat is not work when re sart that time only work
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