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

    Oct 5, 2011, 08:14 PM
    No heat after first cycle.
    Comfort maker model # CGUA06012 forced draft gas up flow furnace with Fenwal System, D.S.I

    It will heat on first cycle. About 2 or 3 hours later when calls for a cycle only blower runs and will not heat. I have to turn off main switch to furnice to reset ignitor. Can anybody help?
    JonesHVAC's Avatar
    JonesHVAC Posts: 173, Reputation: 12
    Junior Member
    		  
    #2

    Oct 11, 2011, 06:18 PM
    With the information given it sounds like the high limit is sticking... do you have a multimeter?
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