Question about Goodman GMS90703BXA Heater

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I have a gooman furnace that will cycle 3 times, but never fire up. It is getting gas, occassionally it will fire up, but then after running for a while it will cycle 3 times again and not fire up

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  • Anonymous Feb 03, 2009

    flash code one, which has a variety of possibile problems

  • Mark Egan May 11, 2010

    If this is a "newer" furnace, with a controller board, then you need to identify the blink codes of the LED on the controller board.There will be a chart on the unit somewhere that will tell you what the blink code means.

    Reply back what you find and I can give you additional information based on those findings..

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  • 8 Answers

Could be a flame sensor problem, maybe your ventor motor. what flash sequence does the led do?

Posted on Feb 03, 2009

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