Question about Coleman 7990-319p Evcon Gas Furnace Control Board

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My coleman evcon model # DGAT075BDE will not ignight

Trouble shooting blinks one time having problem ignighting

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Posted on Jan 02, 2017

  • 306 Answers

SOURCE: Coleman Evcon no fan when in heating mode

Sounds like your flame proving device is not proving the flame. It is located on the last burner looks like a piece of thick wire sitting right beside the last burner. To Save you about 50 bucks service call take some steel wool and very gently clean the carbon that has built up on the surface of the device. Should only take 4 or 5 strokes.

Main blower will delay when in heating mode as to allow the heat chamber to build up enough heat to trigger the fan switch.

Posted on Nov 30, 2008

  • 1 Answer

SOURCE: Have a Evcon Coleman Furnace shows three green

I have had the same problem with mine for the last 2 years. Remove the motor on the side of the furnace(usually held on by 3 screws) and turn the fan blades inside by hand. after sitting all summer it seems to get stuck. If it moves freely, replace the motor and try to start it again. This fixed mine the last 2 years! Hope this helped.

Posted on Oct 04, 2010

  • 24 Answers

SOURCE: HEATER DOES NOT IGNIGHT FAN

check blinhing light on pc board will read on door panel.

Posted on Dec 26, 2010

  • 106 Answers

SOURCE: we have a coleman evcon

Explain the problem further as I do not understand the problem(s)

Posted on Aug 03, 2011

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Other similar questions on this site state that this is a problem with the water flow sensor. Although if that is the problem the flame would likely light for only about one second before going out. The water flow sensor fix discussed does not require any new parts. This YouTube video will talk you though it. Good luck.

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Have a Evcon Coleman Furnace shows three green blinking lights but will not ignight what could be wrong


I have had the same problem with mine for the last 2 years. Remove the motor on the side of the furnace(usually held on by 3 screws) and turn the fan blades inside by hand. after sitting all summer it seems to get stuck. If it moves freely, replace the motor and try to start it again. This fixed mine the last 2 years! Hope this helped.

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Everything is operating fine but the furnace wont fire. you can hear the gas kick in for like 3 seconds and kick back off when it doesn't ignite. then after about 5 tries it shuts down and the red light...


COULD POSSIBLY BE A BAD IGNIGHTER.I DON'T KNOW THIS SYTEM BUT THE SAFTY PROTOCALS ARE WORKING.THE THERMOCOUPLE(IT DETECTS HEAT)IS TELLING THE BOARD IT HAS NO IGNITION,THEREFORE KEEPING YOU FROM BLOWING YOUR HOUSE UP.IF IGNITION HAS'NT HAPPENED WITHIN A FEW SECONDS IT SHUTS THE GAS OFF.IF YOU DON'T KNOW WHAT YOUR DOING DON'T MESS WITH IT,.IF YOU GET INTO THE WRONG THING YOU WILL ALLOW NATURAL GAS OR PROPANE TO LEAK INTO YOUR HOME(THIS IS A BAD THING)THE COTROL BOARD BLINKING IS A TROUBLE CODE.USE YOUR OWN JUDGEMENT.IF YOU NEED FURTHER HELP CONTACT ME.THE IGNIGHTER IS EASY TO CHANGE.ENOUGH SAID!!!!!

Nov 08, 2008 | Frigidaire Heating & Cooling

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