Clogged Burner Ports. The gas valve is controlled by a thermocouple that has no pilot flame so it has to get hot enough to open the gas valve by sitting in the flames. The gas for the pilot assembly is supplied by the main gas valve and is monitored by the thermocouple. An electronic spark ignites the pilot light. Many boiler burners are similar to burners used in forced air systems. If your burner lights for a short time but then goes out, you may have a blockage in the gas valve. outdoor gas fireplace troubleshooting. Warm the Flue Air. Top Gas Fireplace Thermocouple. If you have a direct ignition furnace, you won’t have a pilot light. Unfortunatley I have a gas fire place that will not stay lit. Since the thermocouple doesn't connect to any gas line, it is perfectly safe to remove the old and install a new one provided you shut off the gas completely according to instructions for the fireplace . The thermocouple on your gas fireplace is a heat-sensitive device that keeps the pilot gas tube open while the pilot is lit… ... it provides the power to open and close the operator which sends gas to the main burner. Similar to the previous issue, if the burner is clogged or dirty, then the gas logs may not have the fuel necessary to keep a fire lit because the gas can't flow through those distribution chambers. 3. Contact a chimney sweep, if it seems there may be other obstructions preventing the chimney from working properly. I was told by a friend it was probably the thermocouple and an easy fix. 1. 5 Reasons the Pilot Light Won't Stay on in Your Gas Fireplace Written ... Burner. The logs will then go out and the pilot will stay lit. A flame sensor lets your furnace know that the pilot was successfully lit. This will allow the heat to rise and force the fireplace to draw. 1. The burner is located below the pilot light and thermocouple. If the gas fireplace pilot light will not stay lit, troubleshooting common problems can usually fix … 1. My pilot stays lit but eventually goes out www mygasfireplacerepair com the main burner flame will not come on or stay fireplace lighting is fine home improvement stack exchange The easiest solution is to crack a window in the room with the fireplace. On a gas fireplace, there are these tiny holes that distribute the gas for a fire. Sometimes it lights and stays lit for an extended amount of time. The burners are commonly ribbon type rather than inshot types. Rkmha871ssyy M . The flame sensor tells the furnace that the pilot is lit. This turns on the ignition unit that causes the main burner to light. A standing pilot gas valve has two inner valves one for the pilot light and one for the main valve. If it won’t fully open, repair as needed. Reasons for flame failure depend on the type of flame safety control the unit uses. To ensure complete satisfaction of your Heat & Glo fireplace, we’ve put together an extensive list of common questions to provide you with the information you need to guarantee proper and safe product operation at all times. Standard gas log sets are fairly simple. Inner vent pipe leaking exhaust gases back into the system. The gas valve then opens and gas flows to the pilot burner. The pilot light is lit by an electronic spark. 2. Gas Fireplace Pilot Lights But Not Burner. Check the main gas valve. If your gas water heater doesn’t stay lit, you may have a defective thermocouple. If air from the bellows or blow poke helps, but the fireplace fire won’t stay lit when the extra air is removed, air resupply may be the problem. My fireplace pilot light stays lit but main burner won't turn on. But often it goes out after a few minutes. The flame sensor is responsible for regulating the gas flow to the burner. The pilot may be lit, but the solenoid for the main gas valve cannot fully energize due to a weak or failed thermocouple. Why won't my gas logs light? Turn the gas control knob to the "ON" position while the pilot light remains lit. Gas fireplace flame won't stay on; both flame and pilot go out. The burner will always light, then after about 1-1/2 minutes or so, the burner will shut off. Check the main gas valve to make sure the gas is turned on. Glass installed improperly. It won't … gas pilot light won't stay lit The pilot light can be lit and will stay lit, but when I turn on burner things go bad. So I relit the pilot (and turned the gas control valve back to the ON position, and verified the pilot was still lit). When the pilot... Gas Line Blockage. After I light it and the burner is on...it will stay lit until the thermostat shuts the burner down. February 18, 2021 Leave a comment Leave a comment Burners Won’t Stay Lit Our focus and specialty is quality installation, service and repair of heating and air conditioning systems - both residential and commercial. The gas valve sends gas to the main burner(s), which is lit by the pilot light. If the pilot and main burner extinguish while in operation, it could be because of the following reasons: No LP in the tank. Some Reasons Why Your Burner Won’t Stay Lit Malfunctioning Flame Sensor. A more long-term solution is to install an air resupply ventilator in the room. It is a piece with many small holes in it that allow gas to flow through toward the pilot. So, being able to troubleshoot the issue is of the utmost importance. The thermocouple on gas fired heating appliances is mounted to sense the presence of a gas flame or gas pilot flame. If it does ignite right away it will generally burn … Home » Uncategorized » gas pilot light won't stay lit. Burner Doesn’t Stay Lit . The piloton my vent free fireplace won't stay lit all the time. Its a pretty terrible design in my opinion, it has no pilot flame just an on off gas valve. Any advice is welcome. 4. I waited a day, relit the pilot, and finally got the main burner to light. The gas valve opens so gas can flow to the main burner(s) and be lit by the pilot light. Sometimes the burner will re-ignite itself after about 5 minutes and the cycle repeats. This repeated several times. Tackling a faulty burner will require working with potentially dangerous electrical and gas systems. Soon as I turn on the wall switch to light the main burner, the pilot light goes out. Blog. Enough to keep the pilot light lit, but when the main burner is turned on there is not enough gas pressure to have a good main burner flame and the piklot light, now with inadequate gas prwessure, is too small to keep the pilot safety powered up. The gas valve opens and sends gas to the pilot burner. Easy fix gas fireplace won t stay lit diy light how to clean your thermopile and thermocouple shut off with standing pilot you the main burner flame will not come on or mygasfireplacerepair com 3 ways a wikihow life creating smart switch sy relay hometecher home improvement maintenance troubleshooting reasons isn working experts tips tricks safety cleaning trouble… The thing about gas fireplaces is that they rarely offer a flashing sign that says what the problem is. and the burner ignites but it won't stay lit. The millivolts of electricity are used to operate an electromagnet that keeps the valve open to the gas line that feeds the pilot..thus allowing the pilot to stay lit. I consistently have a lit pilot light, however, when the switch on the wall is turned on sometimes it ignites right away, sometimes it doesn't. For more than 45 years, GHAC, Inc. has been the trusted name in HVAC for customers all across the Tri-State. Not only will it help you find the issue, but it will help you to become more accustomed to your gas fireplace. These tiny holes can become dirty or clogged from carbon very easily. Ignition issues with your burner vary and are usually related to a larger electronic or gas problem. For gas fired boilers, check below for types of flame safety controls and how they work. That describes a condition where the gas pressure to the fireplace is inadequate. I have installed a Heatilator Novus direct vent fireplace with a standing pilot. How to Determine if a Fireplace Thermocouple Failed. Improper gas inlet pressure. According to Atwood's web … Always call a professional if you’re experiencing issues with your burner. I have a Heat N Glo direct vent gas fireplace (not sure of exact model). It is important to keep in mind that when starting a gas fireplace it may be necessary to slightly open a window or door for the first few minutes of lighting the fireplace to release any negative pressure within the home. The fireplace will light and stay lit for about 20mins. Gas fireplace flame goes out. Most gas fired water heaters use a standing pilot to ignite the main burner. Many gas fireplaces also offer automatic thermostat controls, which help keep the room temperature at a more constant level by automatically adjusting the firing rate.The Pilot tube supplies gas to the pilot light for combustion. Direct ignition furnaces do not have a pilot light. Improper vent cap installation. So he wonders, is there a cheap, safe fix when a gas fireplace pilot light goes out? 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. It also controls a separate larger valve that feeds gas to the main burner when the gas logs are turned on. Main burner for gas fireplace won't stay lit (pilot light is fine) 0. We had to replace to blower motor and after putting the fire place back together now … It "attempts" to light the burner several times even though it is actually lit and then it just shuts down the gas (propane) and the blower continues to run (until we freeze to death, turn it off, or the battery runs down). Do This When The Gas Fireplace Pilot Light Won’t Stay Lit. If you have successfully re-lit your pilot light, ensured that the orifice is clean, and the fireplace still refuses to ignite, there could be an issue with the thermopile, thermocouple or wiring. Gas furnace control board issues: main burners never start; sparks never stop w/o flame sensor. If your chimney is on an exterior wall and your fire won’t start, it could be because there is a cold column of air inside the chimney flue. 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