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

    Jan 10, 2009, 06:47 AM
    Furnace coming on too often
    Why does the furnace turn off after it reaches the correct temperature and then immediately turn back on? Is this a furnace or thermostat problem?
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #2

    Jan 10, 2009, 09:11 AM
    Could be either. If you bypass the thermostat and the problem continues, you can rule out the thermostat. Check furnace for a status LED. If present, is it blinking?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Jan 10, 2009, 09:42 AM
    High heat loss in the structure can cause this as well as a improperly adjusted heat anticipator or in the case of a digital style thermostat improper programing.
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