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    bm11027 Posts: 2, Reputation: 1
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    #1

    Nov 1, 2010, 06:43 AM
    York board flashing 5 times
    My York AC/Gas pack unit circuit board red led is flashing 5 times. The inducer motor and blower motor continuously run even when I switch to the AC mode. I am not getting any heat or AC. Please help. I have changed the thermostat but no resolution. Model is: D3GA036N07006A.
    bm11027's Avatar
    bm11027 Posts: 2, Reputation: 1
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    #2

    Nov 9, 2010, 05:20 AM
    Found this to be the flame roll-out switch. Heat exchanger was partially clogged with a rodent which caused flame to impinge on plate where roll out switch senses excessive heat. This locked out the control board. Resolved and furnace is working properly now. Thanks!

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