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    charley121's Avatar
    charley121 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 3, 2010, 12:03 AM
    My York gas furnace shut off before the blower kicks in. The burner lights up fine.
    My York gas furnace shut off before the blower kicks in. The burner lights up fine. But the burner shut off (about 10 seconds after it lights up) before the blower kicks in. The system keeps trying for three more times.

    During the daytime the blower kicks in and the everything works fine for the most time. But at night it doesn't work the most time.

    The filter is new.

    What could the problem be?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 3, 2010, 04:07 AM
    10 seconds is long for a flame sensor problem but you might try cleaning it with steel wool or fine sand paper. Make sure you turn power off to unit before cleaning and back on to test the unit when done.
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