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    lesrmore's Avatar
    lesrmore Posts: 2, Reputation: 1
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    #1

    Dec 23, 2011, 03:06 PM
    Blower works but ignitor won't glow
    Changed the ignitor and thermostat on a goodman furnace. The fuse is good and the indicator light says that everything is normal. Should I start with the control board first?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Dec 23, 2011, 05:50 PM
    Well seems like you have already done 2 things first
    You don`t say if the inducer motor was working, (this is the much smaller motor that pulls out excessive gas and blows the exhast out the vent pipe), this has to be the first thing that happens before the igniter can start glowing

    Here is the 1-2-3-4 order of what should happen

    1st-- the tstat calls for heat
    2nd-- the inducer fan starts up
    3rd-- the igniter fires up (glows)
    4th-- the gas valve opens to let gas exscape to the burners
    5th -- the burners fire up (caused by the gas connecting with the glowing igniter)
    6th-- within 30 to 60 seconds the bigger main blower will come on and blow nice warm air into your living area
    Now each step has to happen before the next step will happen
    Check it out and tell us what is not working
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