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    mnovak's Avatar
    mnovak Posts: 1, Reputation: 1
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    #1

    Jan 8, 2010, 06:44 AM
    York gas furnace troubleshooting
    I have a couple of problems with my York gas furnace. First, it has a # 8 fault code which from what I understand is caused when the flame is lost 5 times. My second issue is that one of my burners is lazy and I think my heat exchanger is cracked. Does anybody have experience with that code and know of a way to confirm the crack?
    CB cooling's Avatar
    CB cooling Posts: 3, Reputation: 1
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    #2

    Jan 17, 2010, 05:10 PM
    First thing to check is the condition of your flame sensor. Second is what type of gas lp/natural. Third would be to check your lazy burner tube for spider web
    CB cooling's Avatar
    CB cooling Posts: 3, Reputation: 1
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    #3

    Jan 17, 2010, 05:10 PM
    First thing to check is the condition of your flame sensor. Second is what type of gas lp/natural. Third would be to check your lazy burner tube for spider web
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
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    #4

    Jan 17, 2010, 07:46 PM

    There is a camera made that will go up into your heat exchanger to check for cracks or holes.
    CB cooling's Avatar
    CB cooling Posts: 3, Reputation: 1
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    #5

    Jan 19, 2010, 04:20 PM

    I would address the lazy flame first also if the heatexchanger is damaged the flame should move around when the indoor blower starts
    foutsbug's Avatar
    foutsbug Posts: 3, Reputation: 1
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    #6

    Jan 24, 2012, 12:38 PM
    I have a York Furnace, M/N LY8S080A2UH11A, 4 flashes on control board. Combustion blower runs but no ignition of gas

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