Question about Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU)

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I have a red t brand furnace. i think it's part of coleman.

The thing will quit working every now and then. it has a diagnostic light code flashing that the combustion air switch failed to close. is this a bad switch or something else.

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  • Anonymous Mar 01, 2009

    Same exact issue here. I blow in the rubber hose for a temporary fix.

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  • 359 Answers

Could be bad switch but is the vent free and open of all debris or being blocked by anything

Posted on Dec 17, 2008

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