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

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Ignition failure code on

The furnace ignition glows and ignites and as soon as the blower comes on the flames goes out a few seconds later the thing glows again and it lights only to go out again when the furnace blower stops the green light blinking once indicating ignition failure can you help with any suggestions

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  • Anonymous Mar 19, 2014

    One section will light, can change to 2, makes noise as if in a draft, on changing to 3 the flame goes out and the pilot light fades. the spark electrode glows red at that stage.

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  • 306 Answers

Sounding like a flame proving device is failing to sense flame. Try to clean the device with some steel wool. It is located right next to the last burner looks like a thick wire. Take the steel wool and gently rub the carbon that has built up off. Should only take 4 or 5 strokes. Let me know it that did it. Ken

Posted on Dec 02, 2008

  • Ken Bledsoe Dec 17, 2008

    Did I help any at all? ken

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Our Gibson KG7TC060D24B "tries" to start, but the shuts off before ignition. Technicians have replaced the control panel and other components but the problem persists, with the furnace working for a few...


This is possible, however it is possible they are missing something simple. I hope you can follow along.
1) Is this a Sealed Combustion Furnace, meaning you cannot get to the burners even after you remove the Door Panels?

2) If yes, is this furnace vented with pvc/plastic piping?
3) If yes, do both pipes go outside?
4) If yes then try this.

1) Turn the main power off to the furnace
2) Remove the Door Panel to the burner section.
3) Turn Furnace back and turn the thermostat all the way up.
4)Look into the burner compartment and tell me if the igniter glows red. If it does and the goes out with the burners not coming on.

5) If you feel comfortable or know of someone that is.
6) Turn the furnace off, remove the panel that conceals the burner compartment.

7) Turn the furnace on, if the igniter glows red and the burners ignite. Your problem is in the venting system. Most likely the intake pipe if it goes outside. It could be plugged or something is blocking it. If the burners do not ignite the next thing to make sure that is happening is that the Exhaust blower is operating and you can feel air outside where the pipe terminates. If you it is but no very strong, then your problem could be the inducer motor or to small of vent pipe.

If you could, send me some information about how it starts up
1) Main blower may come on and shut off, make sure the blower runs in on position 1st then back to Auto position. If it does not, you have another problem.

2) The Exhaust blower should come on next
3) About 17secs. later the igniter should glow red.
4) You will here the gas valve make a click
5) The Burners will ignite
6) The flame sensor rod on the far left hand side of the burner will keep the burner lit. If it is dirty the burners will shutdown.
7)About 90secs. later the main blower will come on.

Oct 26, 2013 | Gibson KG7TC060D24B 60,000 BTU 95.1% Gas...

1 Answer

I have a coleman furnace it comes on the electric igniter glows red the gas comes on then the blower starts and the fire goes out it gives 2 different code for this 1 is ignition failure and the other is...


I would have the ignition control board replaced. That is what tells the gas valve to come on and if there is flame or ignition it will keep the gas on if the flame sensor gives the board a signal that the burner is lite. By you shuting power off and on to the furnace it resets the board and it will go through its cycle again.

Feb 10, 2011 | Coleman Heating & Cooling

1 Answer

I have a Rheem Furance that has turned off. Just a few hours ago the main fan turned off. The Furnace doesnm't light even the draft fan does turn on and then the main fan blower motor turns on. I can hear...


You will need to reset the furnace by turning the power off to it. Then as the furnace tries to light, watch the LED for blinking. Hopefully it will give a code other than 1. Try checking the air filter for blockage, make sure all hoses are free of moisture and any drains are not blocked. Check the air intake and exhaust pipe for sags where water could block it.

The sequence of operation is this:
Thermostat calls for heat, the LED may blink telling you it registers the call. The inducer (exhaust) blower starts closing contacts in the pressure switch (small disc shaped thing), the igniter glows orange (seen thru a small window high up on furnace front), gas valve opens allowing main burner to light, flame travels to all other burners, flame rod senses flame within a few seconds and keeps gas on. Room air blower starts within 90 seconds.

Any deviation or delay in this sequence and it goes into lock-out.

Jan 22, 2011 | Heating & Cooling

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I have a coleman evcon furnace and it wont work it gives me a flash code of 1 what does it mean


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.

Dec 26, 2009 | Tools & Hardware - Others

2 Answers

FURNACE COMES ON AND SHUTS DOWN WITHIN 15 SECONDS


On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure switch tells the module to continue, the electronic ignition will energize and send 120 volts to the igniter. The igniter will glow and you will be able to see it if viewed thru the small inspection port. Once the igniter gets hot enough, it sends a signal to the module opening up the gas valve (24 volts). Either a pilot will come on or the burner tube will ignite then spread the flame to all burners. Lastly a safety sensor will be looking for a certain temperature within a few seconds and the furnace will continue to operate and the room air blower will turn on in a minute or two.

What could go wrong? The unit will not run if there is no signal from the thermostat (bad thermostat or broken wire), the control module does not sense a signal from the thermostat (bad control), the inducer does not energize (bad motor), the pressure switch does not close (blocked vent piping, bad switch, plugged condensate hose), the igniter does not energize (bad control, bad igniter), the gas valve does not open or there is no gas (bad gas valve, broken wire, no gas), the pilot does not light (dirty pilot), the burner does not light (bad burner, plugged orifice, not enough combustion air), the flame does not spread to each burner (bad flame spreader, dirty flame spreader, more bad burners), the flame safety sensor does not detect flame (dirty or bad flame spreader, bad flame sensor, broken wire, bad control), or the room air blower does not energize (bad fan motor, bad control). When all else fails, check the ground connection for corrosion.

Nov 23, 2009 | Heating & Cooling

2 Answers

The exhaust blower starts for about 15 seconds then shuts off. several minutes later, the same thing happens - over and over


goodman furnance the exhaust fan starts, igniter glows hot, all burners lite up & will burn for about a minute and shuts down . I think it senses the room blower does not start so it shuts down.

Oct 20, 2009 | Ruud UBHC Air Conditioner

2 Answers

The heat turns off after 3 seconds of flame.


There is a flame sensor failure.

Here is the ignition sequence for a furnace. This will help you understand what is happening/not happening.

Thermostat2.gif calls for heat.

draft inducer motor (DIM) starts drawing draft through heat exchanger.

Pressure switch detects proper operation of DIM, and sends signal to board to begin ignition.
(it detects negative pressure)

Ignitor starts ignition attempt and gas valve sends gas to burners.

Upon ignition, flame sensor detects flame and sends signal to board stopping ignition sequence and continuing gas flow for heat mode operation until thermostat is satisfied.

During this sequence the blower motor is brought on, and by using a series of temperature limit switches, the system assures that the unit is operating properly.
(If the blower is not operating, or the airflow is inadequate, the heat exchanger will overheat and trip one or more temp limit switches.)

There is also a "rollout" switch that detects improper flame pattern "rolling out" into the controls compartment.

Now, to apply that to your situation.

If the flame sensor does not sense flame, it shuts down the furnace to prevent a dangerouse gas build up.

With most modern glow coil ignition systems you have one of two failures.

1) the flame sensor is bad and needs to be replaced.

2) the control board is not proccesing the signal from the flame sensor and shuts the system down. In that case the board would need to be replaced.

There is a possibility that a temperature limit or roll out switch is breaking the curcuit, but that would be quite unusual to happen consistantly at three seconds.

Unless you have the ability and tools to test the snesor and board, the next step would be to replace the sensor first, and then the board if that does not fix it.

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1 Answer

Goodman GMP075-3 ignition problem


bad board,i have had several board failures on goodman

Dec 18, 2008 | Goodman GDS80904BNA Open Flame Heater

2 Answers

Ignition failure after three attempts then sits for an hour.


try cleaning the burners and or adjust the distance the igniter is from the actual burner .

Oct 01, 2008 | Goodman GDS80904BNA Open Flame Heater

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