Question about Goodman Manufacturing Goodman GMS81005CN 100,000 BTU 80% Gas Furnace, 1 Stage, Multi-Speed,

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Gms81005cn furnace will not light, red light on board not on. Please help!

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Is your unit plugged in? Check the breaker in breaker box in the house. Does the fan come on? Is your door switch on the unit pushed in it is located in the fan section on the unit just a push button. This sounds like a power problem. Turn on the fan switch to ON on the thermostat to see if it runs this will tell you if you have 24 volts to the board. If it doesn't run then you have a transformer problem or a board problem. I hope this helps

Posted on Oct 20, 2013

  • chuck fanning
    chuck fanning Oct 21, 2013

    It isnt getting any power apparently. i will replace the transformer and see if that is the problem. If not, I guess the board will need to be replaced.

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