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

    Feb 19, 2010, 08:27 AM
    Goodman 95% natural gas furnace lockout
    The furnace exhausts to the side of the house and has another PVC pipe on the same side for intake air. The furnace locks out frequently with 1 flashing LED code. I thought I could smell gas so I called the gas company and they told me too much gas was coming out of the exhaust vent. Called a technician and he said it needed more ventilation air because it sits in a small utility room. So I had a 16x16 grill installed in the room. However it locked up again. Flame is mostly blue with yellow flashes. Any ideas as to what is going on?
    bernie1951's Avatar
    bernie1951 Posts: 12, Reputation: 1
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    #2

    Feb 20, 2010, 04:07 PM

    Sounds like you have a blockage on either the in or out pipe. If it is a sealed combustion chamber (indicated by 2 pipe system) the air in the room has nothing to do with it
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