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My coleman floor furnace will not stay on

My coleman floor furnace pilot light will stay on but the furnace itself will not kick on without physically holding in the magnetic gas valve. When you release the button on the gas valve the furnace immediately turns off. Help!!

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Have the thermocouple replaced, ensure the pilot flame is blue - not yellow, yellow indicates blockage in pilot

Posted on Oct 08, 2009

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Posted on Jan 02, 2017

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I have brand new coleman mobile home furnace model # DGAH056BBSB the pilot light (elec. Start) wont stay lit and it blows COLD AIR! PLZZZ HELP Ohio is COLD


here, the last sentence is important.
http://www.ehow.com/how_5615197_light-coleman-furnace.html

Further information here.
http://handymanwire.com/ubbthreads/ubbthreads.php/topics/28213/Pilot_light_won_t_stay_lit

But if the unit is new, it must be under some sort of warranty from Coleman and from the fitter.

coleman website, support, contact and warranty, but the website doesn't list, heaters, or furnaces? I am puzzled.
http://www.coleman.com/warranty/

Oct 23, 2015 | Coleman Heating & Cooling

1 Answer

Coleman evcon furnace


For sensor if you mean thermocouple that sits in the pilot light I say this is usually the problem. The thermocouple needs to heat up to a preset temp before it will allow the gas to remain on. Does the pilot light stay on? If so make sure you turn the gas knob to on from pilot/light

Oct 15, 2013 | Heating & Cooling

2 Answers

Coleman mobile home furnace pilot light turns off when blower turns on


Heat exchanger could well be split causing it to blow out pilot

Oct 27, 2012 | Heating & Cooling

1 Answer

Coleman mach furnace wont stay running. i turn the thermostat down until i hear it click, then i turn it back up to get the furnace to kick on.works sometimes and sometimes not. blower will always kick on...


Hi, I don't know if you are still having a problem, but it sound like the flame sensor on the unit is dirty and need to be cleaned. If it has a automatic pilot, it will have a flame sensor. Its made of porcelin with a metal rod coming out the end, laying next to the pilot flame. Just 1 screw holds it in place. Remove it and clean the tip with steel wool or a piece of sanding cloth. If you don't have this set up, I would need more info on the unit, model and serial number. You may also have a faulty thermostat, but I do believe it is a flame sensor.
Shastalaker7

Nov 21, 2011 | Coleman Mach III Air Conditioner

1 Answer

I have a coleman model 7680B series 856 with a pilot light that won't stay lit


You need a themocouple, it's a cheap $10.00 part you can get at any hardware store, you have a standing pilot light furnace like mine, if your handy and safe you can put one in easy, youtube is loaded with videos on how to do it. These other answers are wrong for your unit.

Oct 26, 2011 | Coleman Heating & Cooling

1 Answer

It wont lite, how do you lite the pilot, where is it located, do you have a manual i have a coleman presidental 3 furnace


There is a window directly above the gas control valve. Either a spring held latch or a screw off cover need to be removed to access the pilot. To light the pilot, turn the knob to pilot and hold down while lighting pilot. The pilot in straight back inside the hole about 10 inches. Use a long fireplace match or rig a wire to hold the match. Once the pilot lights, hold the control knob down for about 30 secs., if it stays lit after release, turn to "On" and operate normally.

Dec 13, 2009 | Tools & Hardware - Others

1 Answer

The Pilot on my electric furnace will not stay lit, blowing cold air instead of warm. The model is L8T-UH.


Is this a code for us to come over cause electric furnaces dont use a pilot light ha! Ha! (they uses electric heat strips for heat .....but if you want to give away money..........)

Dec 09, 2009 | Coleman Mach 15 Air Conditioner

1 Answer

Coleman Gravity Floor Furnace need millivolt gas valve & pilot ki


Go to www.grainger.com and look for a "power pile generator" this is a millivolt thermocouple that may be just what you need to make your heater work again

Nov 12, 2009 | Heating & Cooling

1 Answer

COLEMAN FURNACE BURNER NOT LIGHTING


There is a thermocouple "wire" that is supposed to be touching the pilot flame.
The thermocouple senses a flame (hot) and allows the heater to operate. If the thermocouple does not sense that the pilot is on, then it will not allow the furnace to operate.
Bend the thermocouple wire (or the pilot tube) so that the pilot flame is touchingg the thermocouple.

That shouls work now.

The air from the fan should not be blowing through the same cxavity that the pilot is in.
If it is, then you may have a leaking furnace whereby carbon monoxide may be seeping into your living quarters.
If the fix above works and the pilot stays on after the heater starts, then there is probably no leak.

Let us know the results ... post a comment or "RATE" this or another expert's solution.

Sep 16, 2009 | Coleman Propane Forced Air Heater...

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