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    surecan4u's Avatar
    surecan4u Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jul 25, 2010, 09:58 AM
    York diamond 80 furnace fan not coming on
    Fan doesn't come on, in auto or manual, when look at indiactor light, is always off, unless I flick the safety swtich, than it flASHES ONCE & goes off again!
    surecan4u's Avatar
    surecan4u Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Jul 25, 2010, 09:59 AM
    York diamond 80 furnace fan not coming on
    Fan not coming on, no idicator light present, unless you flick the safety swtich- flashes once at that point & than goes off again!
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #3

    Jul 25, 2010, 03:12 PM

    Many possibilities. Bad motor, bad board, bad thermostat or thermostat wire. Light flashes at least tells me there is 24 and 120 volts at furnace.
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