I can get the pilot on but as soon as I turn the knob to "on" the pilot goes out. Once I light the fireplace, the fireplace will come on and run for about 5-10 minutes then shut off. The flames normally appear for a few minutes. My heatilator gas fireplace only stays lit for 2-6 seconds?? Tonight (after about 20 hours with gas shut off), I lit the pilot light and did other things for about 45 minutes with only the pilot light. We recommend that you use experts when you detect that the gas valve is the problem. CDL3924PTC every time I turn the knob to cut gas logs on the pilot light goes off. What do I need to do to fix this, or what could it be? I'd look into getting a new thermocouple. When I turned on the wall switch, the flame ignited immediately, just like it should. Yesterday I got our gas fireplace insert started up for the first time this season. We can get the pilot to light and stay on. This is an instructional video on how to shut off your standing pilot gas fireplace. Then after about 4 minutes both the fireplace flame and the pilot light kick off. The pilot light works fine, sparking and then lighting with each attempt. Gas fireplace shut down update Following suggestions, I've cleaned the pilot orifice and made sure all elect connections are tight. We even replaced the gas valve (7000mvrb ‑ 6 ‑ lc ‑ lp). I have a wall switch that controls the gas flow and turns the fireplace on. The pilot flame were yellow before and the fireplace couldn't stay lit. It should be a very blue flame with possibly a small yellow tip on the end,and burning in mostly a horizontal manner. Try Googling, "thermocouple in a gas fireplace," you'll get lots of hits with videos. So you’ve checked your pilot light and even reset it, but still, it wont stay lit. I tried to attach a photo of the pilot assembly while lit but the size exceeded the website limit. I've had a gas fireplace for about 5 years in my master bedroom and it has worked fine ... until recently. i have a vermont castings radiance natural gas fireplace. After a few minutes it goes out (pilot is still lit), if I don't do anything it will re-light the flames and burn a while more but then go off again. eventually we were able to get the gas flowing and got the pilot to light. This has been a common concern for people who own a gas fireplaces. My vent free gas fireplace pilot stays lite all winter long. But then, the pilot cuts out, cutting off the flow of gas to the logs. (it took quite a while). This arcticle is a life saver. I then turn on the fireplace by a wall switch. At that time, terminals TH/TP and TP read about .672 and were fairly steady. I was told there is a reset button so i pushed what i thought was the reset but it doesn't push or click. My gas fireplace shuts off after a few minutes. The other ~30 times, it behaves as described above. When the pilot valve closes, the valve to the main gas burner also closes and your gas logs are turned off. If it’s flickering, split, small, orange or yellow-colored, then the pilot tube needs to be cleaned. I have a Heatilator DLS-18 gas fireplace, installed in 1993. There are multiple things that could be going on. The pilot is lit but I cant get the main burner to light. Trouble getting your gas fireplace started? The diagnosis of the gas valve can be done visually. One of our customers had a standard gas log set on his fireplace. What's happening is that the pilot must heat up the thermocouple to a certain temp before it will stay on, otherwise just shuts off. It turns on fine, but after perhaps 10 minutes (sometime 30 minutes--the length of time varies), ... My fireplace pilot light stays lit but main burner won't turn on. The pilot lights fine and stays lit. I start by lighting the pilot manually and hold for 60 seconds. To troubleshoot a Napoleon gas fireplace that will not stay lit, check the drip loop, the pilot light, the thermocouple and the gas valve to ensure all components are clean and working before replacing. View this video for steps you can take to troubleshoot. But once we turn the knob to on and hit the on switch, the pilot goes down, and the main burner will eventually have small blue flames, then poof a few times, then we hear a click, and everything turns off including the pilot. Any thoughts? The pilot should be around an inch high and mostly colored blue. However, if your pilot is lit but the gas fireplace isn’t, then there’s probably a … i can get the pilot to light, but when i turn the off/pilot/on knob to the on position the pilot light goes out, and wont lite the fireplace. The problem is that when I turn the fireplace on (via a switch on the wall), the fireplace fires up and all is good. However when we light the burners we have trouble. Hi Phil - My Mendota gas fireplace pilot won't stay lit. Unit fires up EVERY time without problem, but will, with frustrating regularity, shut off spontaneously. My Fireplace Pilot Light Won’t Stay Lit. I used a straw and blew through the 3 gas outlet holes in my Faber gas fireplace. Comes spring when I would like to use it to save on my fuel oil the pilot will not stay lit. First the pilot wouldn't lite.. so i turned it off for 10min to clear the gas and tried. We had to replace to blower motor and after putting the fire place back together now we are having this problem. (I'll try to fix that) The thermopile/generator (the thing in the foreground) was replaced by the gas mechanic. Everything worked fine all day, but then this morning about 30 seconds after flipping the switch to turn on the main burner, it turned itself off. It is a rare case to get a malfunctioning gas valve but we cannot completely rule out its possibility. it again and the pilot worked. Its purpose is to not allow the gas valve to open if the pilot light isn’t lit. The pilot light of my gas fireplace is lit, but the main flame doesn't turn on automatically. I hold the pilot button down until the status flashes but. It turns on for a short while then turns it self off. The pilot light is on, but how do I get the actual fireplace to come on? the pilot goes out when i let go the button. If the pilot light on your gas fireplace won’t stay lit, a very likely culprit is a component called a thermocouple. This seem to happen every year. So if your pilot valve produces enough electricity to keep the pilot burning, but not enough to keep the pilot and main burner valve open, then the whole thing shuts down when you turn on the gas logs and drain too many millivolts from the system. If the gas fireplace pilot light will not stay lit, troubleshooting common problems can … Symptoms are exactly the same whether the glass is installed or removed. The first thing you need to do it call a hearth professional and have the unit serviced. I have ventless gas logs model no. If I leave the pilot on, the pilot is stable and stays lit indefinitely. The gas valve is usually the last option when troubleshooting why your gas fireplace won’t stay lit. IF the flame is mostly yellow and is burning very lazy, curling up in an almost vertical manner, it is dirty and needs to be cleaned. When I flip the switch (which looks like a light switch), it does nothing. The ful … read more Based on some threads on the net, I tried short-circuiting the TH and TH-TP terminals on the valve, and the main flame starts and stays on. I've tried multiple times, turning the gas off overnight and trying again, leaving the pilot going for 10min or so and then turning the knob, all with the same result. I tried to start it back up yesterday, and the pilot started right up. When the switch is on the fireplace lights and will burn a while. Thank you very much for your response. It is very easy to re-light and no problem running the fireplace for up to several hours. I also made sure that the external thermostat setting is high enough. I have a new construction home with a gas fireplace (Copreci VCS-ECOMOD) that won't stay on when lit. the pilot stays on just fine. Gas Fireplace Troubleshooting. They turn off the gas lines during the summer so that the line runs to the pool heater. It turns on for a short while then turns it self ... is likely on the side of the thermocouple (could be thermocouple itself, or the solenoid in the main valve). Ever wondered what to do when the gas fireplace pilot light won’t stay lit? I had turned the fireplace (gas & pilot light) off for the summer and I went to turn it back on yesterday. I have a gas fireplace at home that I haven't used in a couple of years. it also has a power switch on the top, and i have tried it in both the on and off positions. I have a GTI gas lo fireplace model ST-42gtv. Over the course of a month+ of troubleshooting, the fireplace has lit and stayed lit for a few hours (until I turned it off) just twice. Submitted: 12 years ago. When this happens, the pilot also shuts off. A thermocouple is a safety device and is a component of the ignition system. I had turned the pilot off after I used it last. Pilot works on my gas fireplace, but when you flip the switch, which looks like a light switch, it won't work.? You could be dealing with a bad thermo couple/ thermo pile. When I try to flip the switch to turn the fireplace on, it does I turn the switch on the wall on to light my gas fireplace. When we first turn off the fireplace, the pilot light stays lit; but about an hour or so later, I notice it is again off. It turns on easier and stays lit. The pilot stays lit. Gas fireplace with the pilot always on, has a hole with key in it on the floor right next to fireplace (based on prior answers thats for gas supply), a ‘light’ switch across the room that when flipped on basically turns the flames on and entire fireplace lights up, then a knob next to the light switch that when turned clockwise increase the size of flame, and vice versa. I' e checked all the switches and they are on. The pilot light to our gas fireplace goes out after the fireplace is turned off.? Turn off the pilot and let it cool. Now the pilot flame is bright blue and everything is working again. We had a torpedo-type LPG heater for our work space, was doing the same thing. The pilot light was still lit, but the main burner was off. My fireplace pilot light stays lit but main burner won't turn on. The switch that keeps the fireplace off in the gl … read more This can be an indication that your fireplace thermocouple is either bad or worn out. 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