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

    Oct 19, 2011, 04:00 PM
    50A50 lockout
    I have an intercity furnace with a general 90 50a50-110 controller that isn't allowing the furnace to heat. When the unit is powered up the led flashes once, exhaust blower runs, I hear some clicks but it never ignites. What's wrong?
    JonesHVAC's Avatar
    JonesHVAC Posts: 173, Reputation: 12
    Junior Member
    		  
    #2

    Oct 19, 2011, 05:51 PM
    So the ignitor doesn't glow is what I am gathering... if so, replace the board. There is an upgraded board for that part #, I believe it is White Rogers # 50E47-843
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