DIY Home Improvement, Remodeling & Repair Forum > Appliances > HVAC > gas fireplace will not stay lit questions

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Old 12-22-2012, 03:52 PM  
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Hello Paul, (paul52446m) I was experiencing this problem - I want to verify your point of 1/2" around Thermopile. My Thermo Pile and Coupler are 1/2" away from Pilot and Gas intake. Pilot is always healthy and when burning, fire is as well. Do you mean with Pilot on, the flame should touch and scorch the coupler and pile always? They are. When the flame is on, the Pilot barely reaches either coupler.

My problem was the gas feed was not coming on when using the external wall switch. Five or six attempts without heatilator, the feed would come on and then die after two minutes.

Your answer will help me determine if Thermo Pile and Coupler are deteriorating or I have more trouble shooting to do.

I suspected overheating but I was/am not sure. I suspect not because this is direct vent and the wind, if anything could blow out the flame. In fact with the glass off, the flame and pilot are blown out on a day like today. I did not see any adjustment screws and feel lucky I did not find adjustment screws because I would have definitely played with them.

The fireplace ran for hours around Thanksgiving. We operated rarely. Then week before Christmas I started the fireplace and could not get it run over several days/attempts for more than 2 minutes. I cleaned thermopile then thermocoupler.

Current status, after cleaning, checking connections. I turned it on without glass, wind blew it out twice. Put the glass on and it ran for two minutes and died. Then I turned of the external wall switch, turned it back on after 30 seconds. The fire has been burning for 30 minutes.

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Old 12-22-2012, 04:25 PM  
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Paul was diagnosed with stage 4 cancer several months ago and hasn't been on in quite a while, hopefully someone else can answer your question. He is greatly missed around here.

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Old 12-26-2012, 03:55 PM  
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Default Conquest GLDG75-E3A wont stay on

I have the same problem, my unit will go on and stay on for about 20 minutes, shut off and restart immediately but only stay one for 10 minutes then agaibn for 5 then nothing. I have to shut it all off and start again to heat my house. i have changed the flame sensor and the ignitor twice each. At a loss here. Any help would be greatly appreciated, thanks all and have a Merry Christmas
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Old 02-16-2015, 11:52 AM  
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Default Gas fireplace will not stay lit questions

You are absolutely correct! First check the pilot inlet holes maybe an inch or so behind the pilot flame, on mine they were hard to notice when they're plugged look like specs of dirt, there were two holes, take a paper clip and push through them, and retry. Also if the flame from the pilot is mostly yellow it will not light, that's how mine was, it must be mostly blue. after I cleared the pilot inlet holes it was blue and acted as if it were brand new, and became very quick to light and light fire place.
With my fire place it began taking a very long time to light, and eventually it would shut off when I turned it on from there. then it wouldn't light at all. Good luck Mike

Last edited by mdaniels; 02-16-2015 at 12:32 PM. Reason: for got the number of holes on mine.
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Old 02-16-2015, 12:58 PM  
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Default Fire place pilot won't stay lit

Originally Posted by Carolyn1094 View Post
I am having the same exact problem and wonder if anyone has come up with an answer. It lights and burns for awhile and then goes out and if I don't turn off the switch it comes back on. Thanks all.
If the flame is mostly yellow, the pilot inlet holes are probably plugged. Just about an inch or so after the pilot flame there are two holes that may be hard to see because of dirt that has plugged the hole, take a paper clip and push them through, when I did this the flame turned blue and ran like brand new. Mike

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