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    dpagan57's Avatar
    dpagan57 Posts: 1, Reputation: 1
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    #1

    May 2, 2010, 08:31 AM
    I have a Goodman GMP125-4.
    Yesterday replaced the gas valve; today furnace worked a few times, now flames will not ignite; furnace attempts to turn on burners when it doesn't, it cycles off and give me 9 (nine) blinks. I'm thinking mother board; still trying to narrow down problem. Any suggestions?
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    May 2, 2010, 08:35 AM

    What does nine blinks say? Look on the back of the door. Also could be to high gas pressure causing the valve not to work properly
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