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

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My Coleman direct vent forced air furnace 7995-656/D will fire up but the auto fan does not come on. I can cheat this by cutting the fan to on after the burner heats up. Whats my problem?

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Paul Carew

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Two things the pressure switch not working or the fan control afc not working could need cleaning at the back of the afc try this the afc works on temp rise to bring on the fan afc temp fall to shut of fan so it sound like the afc is not coming on at temp rise, also check if air filter is clean

Posted on Jan 20, 2011

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