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

    Apr 15, 2010, 08:39 AM
    York furnace
    I have a York Furnace Model#: GY9S080C16DH11H with Serial #W0F5302743. I replaced the air filter and the unit started, but then quit after about 5 minutes. The small fan kept running. I opened the panel and the little light (usually green) was flashing (red) 4 flashes (meaning limit sw. open) and then 11 flashes (meaning limit se. open - Blower failure).
    I have been told that there is a limit sw. that I can reset, but can not find it.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    Apr 15, 2010, 10:08 AM

    First off does the blower run? While the control board is flashing 4, or if you turn the t-stat to on? If yes then look for the high limit.

    http://store.hamiltonhomeproducts.co...-29041-005.jpg

    It will be located above the burners. Turn the power off remove this limit and wipe the dust off it and give it a few small taps. Then reinstall and try the furnace again
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