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I am trying to start a Coleman evcon model dgat075bdf gas furnace. I am getting 3 blinks from the control board, and there is not power to the combustion blower. I have turned the system off for 1 minute, with no effect. What is my next troubleshooting task?

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I fixed my 3 blinking issue: I pulled off the small blower motor above the vacuum sensor and spun the fan with my finger. It had resistance at first but then it spun freely. I put everything back together and it ran. I figure next year I may have to buy a new motor, but I made it this year. By the way that fan creates the vacuum to allow the sensor to work. It is a safety thing I figure. If the fan seizes up again the unit will sense it and shut down.

Posted on Nov 10, 2012

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Posted on Jan 02, 2017

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SOURCE: Evcon Coleman mobile home furnace needs repair

if you know what the flame sensor is try gently cleaning it with sandpaper they get gummed up sometimes and don't sense the piolet flame, if they don;t see a piolet it will not allow it to kick the gas on

Posted on Oct 10, 2009

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SOURCE: evcon coleman furnace

I have a Evcon mod.# DGAH077BBSB with 4 light flash code

Posted on Mar 06, 2009

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SOURCE: i have a coleman evcon furnace and it wont work it

One flash mean ignition failure. The sequence is: T-Stats calls for heat, inducer motor comes on, igniter glows orange (look through glass), then gas comes on and burner lights, approximately 1 minute later the indoor blower comes on. If you don't see the glow, most likely the igniter is bad. If you see the glow but no flame, it's a gas problem, supply or defective valve.

Posted on Dec 31, 2009

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SOURCE: COLEMAN EVCON FURNACE .. The draft fan keeps

Make sure the Thermostat fan switch is in the "auto" position.

Posted on Dec 31, 2009

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SOURCE: need schematics for coleman evcon presidential

The schematic is inside the panel where the wiring is.

Posted on Dec 31, 2009

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