We had a torpedo-type LPG heater for our work space, was doing the same thing. 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. When I turned on the wall switch, the flame ignited immediately, just like it should. 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. I've had a gas fireplace for about 5 years in my master bedroom and it has worked fine ... until recently. I used a straw and blew through the 3 gas outlet holes in my Faber gas fireplace. I can get the pilot on but as soon as I turn the knob to "on" the pilot goes out. When the switch is on the fireplace lights and will burn a while. It turns on easier and stays lit. The pilot light is on, but how do I get the actual fireplace to come on? The first thing you need to do it call a hearth professional and have the unit serviced. We had to replace to blower motor and after putting the fire place back together now we are having this problem. The Fix: Pilot Light to Gas Fireplace Won’t Stay Lit. I turn the switch on the wall on to light my gas fireplace. I hold the pilot button down until the status flashes but. When I try to flip the switch to turn the fireplace on, it does the pilot stays on just fine. My Fireplace Pilot Light Won’t Stay Lit. The pilot light of my gas fireplace is lit, but the main flame doesn't turn on automatically. They turn off the gas lines during the summer so that the line runs to the pool heater. I' e checked all the switches and they are on. I have a Heatilator DLS-18 gas fireplace, installed in 1993. 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. We can get the pilot to light and stay on. The pilot stays lit. I have a new construction home with a gas fireplace (Copreci VCS-ECOMOD) that won't stay on when lit. However, if your pilot is lit but the gas fireplace isn’t, then there’s probably a … (I'll try to fix that) The thermopile/generator (the thing in the foreground) was replaced by the gas mechanic. Hi Phil - My Mendota gas fireplace pilot won't stay lit. We recommend that you use experts when you detect that the gas valve is the problem. #gasfireplacerepair #fireplacepilotlight #pilotlightwontstaylitWe show how to easily fix a gas fireplace pilot light to stay lit. The pilot light was still lit, but the main burner was off. If the pilot light on your gas fireplace won’t stay lit, a very likely culprit is a component called a thermocouple. I start by lighting the pilot manually and hold for 60 seconds. If the pilot stays … There are multiple things that could be going on. This seem to happen every year. When the pilot valve closes, the valve to the main gas burner also closes and your gas logs are turned off. The pilot light to our gas fireplace goes out after the fireplace is turned off.? One of our customers had a standard gas log set on his fireplace. I have a wall switch that controls the gas flow and turns the fireplace on. The pilot light works fine, sparking and then lighting with each attempt. Any thoughts? What do I need to do to fix this, or what could it be? However when we light the burners we have trouble. it again and the pilot worked. This is an instructional video on how to shut off your standing pilot gas 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. My fireplace pilot light stays lit but main burner won't turn on. 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. It should be a very blue flame with possibly a small yellow tip on the end,and burning in mostly a horizontal manner. Yesterday I got our gas fireplace insert started up for the first time this season. 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. Gas Fireplace Troubleshooting. You can clean it out by turning off the gas first then gently poking a needle into the top of the pilot tube. If it’s flickering, split, small, orange or yellow-colored, then the pilot tube needs to be cleaned. it also has a power switch on the top, and i have tried it in both the on and off positions. A thermocouple is a safety device and is a component of the ignition system. The gas valve is usually the last option when troubleshooting why your gas fireplace won’t stay lit. CDL3924PTC every time I turn the knob to cut gas logs on the pilot light goes off. 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. Try Googling, "thermocouple in a gas fireplace," you'll get lots of hits with videos. 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. If the gas fireplace pilot light will not stay lit, troubleshooting common problems can … The flames normally appear for a few minutes. This arcticle is a life saver. Turn off the pilot and let it cool. Trouble getting your gas fireplace started? 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. 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. Submitted: 12 years ago. My heatilator gas fireplace only stays lit for 2-6 seconds?? Comes spring when I would like to use it to save on my fuel oil the pilot will not stay lit. This has been a common concern for people who own a gas fireplaces. the pilot goes out when i let go the button. Symptoms are exactly the same whether the glass is installed or removed. The switch that keeps the fireplace off in the gl … read more My vent free gas fireplace pilot stays lite all winter long. We turned the gas lines back on and bled out all the air. I have a GTI gas lo fireplace model ST-42gtv. I tried to attach a photo of the pilot assembly while lit but the size exceeded the website limit. Now the pilot flame is bright blue and everything is working again. Thank you very much for your response. eventually we were able to get the gas flowing and got the pilot to light. The pilot lights fine and stays lit. It turns on for a short while then turns it self off. First the pilot wouldn't lite.. so i turned it off for 10min to clear the gas and tried. When I flip the switch (which looks like a light switch), it does nothing. Pilot works on my gas fireplace, but when you flip the switch, which looks like a light switch, it won't work.? With the pilot lit and the fireplace off, observe the pilot. View this video for steps you can take to troubleshoot. Gas fireplace shut down update Following suggestions, I've cleaned the pilot orifice and made sure all elect connections are tight. Once I light the fireplace, the fireplace will come on and run for about 5-10 minutes then shut off. I have ventless gas logs model no. I have a gas fireplace at home that I haven't used in a couple of years. Then after about 4 minutes both the fireplace flame and the pilot light kick off. When this happens, the pilot also shuts off. i have a vermont castings radiance natural gas fireplace. The pilot flame were yellow before and the fireplace couldn't stay lit. Ever wondered what to do when the gas fireplace pilot light won’t stay lit? Its purpose is to not allow the gas valve to open if the pilot light isn’t lit. My gas fireplace shuts off after a few minutes. 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. It is a rare case to get a malfunctioning gas valve but we cannot completely rule out its possibility. So you’ve checked your pilot light and even reset it, but still, it wont stay lit. The pilot should be around an inch high and mostly colored blue. It is very easy to re-light and no problem running the fireplace for up to several hours. The diagnosis of the gas valve can be done visually. I then turn on the fireplace by a wall switch. (it took quite a while). At that time, terminals TH/TP and TP read about .672 and were fairly steady. I had turned the fireplace (gas & pilot light) off for the summer and I went to turn it back on yesterday. You could be dealing with a bad thermo couple/ thermo pile. But then, the pilot cuts out, cutting off the flow of gas to the logs. 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. I also made sure that the external thermostat setting is high enough. If I leave the pilot on, the pilot is stable and stays lit indefinitely. 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. The other ~30 times, it behaves as described above. The pilot is lit but I cant get the main burner to light. This can be an indication that your fireplace thermocouple is either bad or worn out. I had turned the pilot off after I used it last. I tried to start it back up yesterday, and the pilot started right up. 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. I'd look into getting a new thermocouple. 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. 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