Question about Goodman GDS81155CNA Open Flame Mid-Size Heater

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Main Fan won't turn off even with thermostat removed. Burner not

My Goodman furnace is less than 3 years old. Occasionally, not always, but now with increased frequency, My furnace will fail ignition and go into the one hour sit and reset mode. The exhaust fan comes on, ignition stick starts glowing, I here a click, then the glow stick goes out. The furnace will not fire. After three attempts, it goes into lockout state for one hour.

The red light goes blinks 6 times and the main fan is always running with no burner fireup.

Thanks
Eric

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There is a chart with the wiring diagram and othere charts that will tell you what the 6 blinks are for. That should tell you what is wrong and what part you need. Sounds to me like the board has an issue or the gas valve is locked out.

Posted on Feb 13, 2009

  • Ken Hieb
    Ken Hieb Nov 01, 2013

    check your inducer motor fan safety switch mounted on inducer motor assembly (checks for fan pressure to prove inducer operation before power to gas valve)

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