When your gas fireplace won’t light, but you have a spark ignitor, there are a few things that you can do to resolve the issue. Because of this, the yellow flame will not adequately heat up the thermocouple, and the gas supply to the pilot light will be shut off. This light is always lit. The first place to start when your pilot light is on but you’re still not getting a flame is with your breakers and fuses in a modern home. Flames are not reaching thermocouple and thermopile. The entire point of the thermocouple is to keep your pilot lit. When this is the case, it can reduce the overall reliability of your fireplace as a whole. Using double-sided tape can... Troubleshooting a Fireplace That Stops Working. 3. Either issue will prevent the fireplace from remaining lit. Hold it down for at least 30 seconds in order for the thermocouple to get warmed up. Always refer to your unit’s manual for specific instructions. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 1. Make sure to hold down the pilot button for 20 seconds or so before releasing it to give the thermocouple the appropriate amount of time to heat up. How Do You Reset the Pilot Light on a Gas Fireplace? Once I light the fireplace, the fireplace will come on and run for about 5-10 minutes then shut off. For this reason, leaving the pilot light on is the best idea. If you can determine that the igniter isn’t bad, it is more likely that you have a worn-out thermocouple. 3. Flame-Lit Pilot Light. Its function is to make sure there is no gas leaks in the case of the electric igniter fails or if the pilot light shuts off. You can adjust the flame height by turning the gas … When I turn it on, it starts up, normal amounts of flame. If you’ve checked the breaker and are satisfied, the next place to go is to the electronic ignition check or perhaps a fuse depending on your model of fireplace. Clear away the debris and try it again. To prevent it from happening again, make sure the vent cap is secure. If I leave the pilot on, the pilot is stable and stays lit indefinitely. If the power is fine, check the electronic ignition or possibly replace the fuse. The flames normally appear for a few minutes. Gas control button. 1. This was working not even 2 weeks ago, and to my knowledge, nothing has changed other than the temperature outside has dropped about 20 degrees. That would be a pilot tube obstruction in most cases. The way that this is done is through a tiny electric current that gets sent to a sensor on the gas valve. I have another video of replacing a thermocouple. Should you replace one of those components, turn the breaker off all the way and then back on again before trying it out. Keep your fireplace on a single breaker if at all possible. The thermocouple, for instance, will have a probe that is attached to a copper tube. He enjoys listening to others' opinions before politely pointing out that they're completely wrong. A plugged pilot jet. A pilot flame is lit with a manual push button spark ignitor or a handheld lighter while pushing down on the pilot plunger button found on the top of the gas valve. Sitting around a fireplace during the chilly weather is cozy but it is not so cozy when some of that charcoal gets onto your carpet. This happens because yellow flames do not burn as hot as blue flames. To light a gas pilot, the button on the combination gas valve must be pushed down which allows gas to enter the pilot tube and exit through the pilot termination head. I stumbled across this video today of a server move from a few years ago in 2009. Nine out of ten times, that’s it. Anything less than a 25 millivolt reading and the thermocouple will require replacing. Low gas pressure can also hinder the activity of the spark ignitor. The probe has two different metals to it and the voltage gets generated when one of them is heated. Thermocouple, Thermopile, and Wiring: The thermocouple is a metal probe that controls the gas valve, sensing the temperature and generating electricity to ignite the gas if necessary. I never even... Steve Jenkins is an Internet entrepreneur, tech CEO, all-around geek, speaker, consultant, martial arts black belt, PADI rescue diver, obstacle course racer, and self-proclaimed technology Jedi and business samurai who is passionate about anything that has blinking lights, a throttle, a trigger, or a Swiss movement. Hold the pilot button down for about 20 seconds to give the thermocouple time to … The burner is placed below the thermocouple and pilot. The pilot light should be approximately the height of the flame on a cigarette lighter. A battery backup kicks in if the power goes out to make sure it works. The process is relatively simple and can save you in a jam. Usually, you can find this light on older models of propane appliances. Test with a multimeter. The pilot light systems are actually the most common reason that gas fireplaces do not light, however. Examine the gas line for any bends. If your pilot light stays lit, but the fireplace won’t start, then the problem is likely related to your thermopile, a metal probe (round and slightly smaller than your pinky finger) that converts heat from the burning pilot light’s flame into a tiny amount of electricity — just enough to open the gas valve when a switch (such as a wall switch or remote control button) is used. Hold for 20 seconds. The thing about gas fireplaces is that they rarely offer a flashing sign that says what the problem is. This has been a common concern for people who own a gas fireplaces. The first thing that you should do is to check the main gas valve. When this happens, the pilot also shuts off. If it has a pilot light then it has a thermocoupler. Gas fireplace flame color is typically designed to burn with red flames, not blue flame, for a more natural look. A pilot that is too short may allow the pilot to stay lit after ignition, but may not create enough heat to allow the burner to ignite. Gas Burner Doesn’t Light in Fireplace. There are also issues with insects and spiders that lay their nests inside of the pilot tubing, particularly in rural areas. With the pilot off, there are still trace amounts of gas molecules in the burner and pilot tubes of your fireplace. A strong draft can blow out the pilot light. Pilot light is lit. . When in doubt, check out your owner’s manual for specific instructions on lighting the electric ignition through a battery pack if yours has that function. Ryan also loves hockey and a lifelong Buffalo sports fan. One of the most common problems when a fireplace is not on a loan breaker is overloaded circuitry. For those uninitiated with gas fireplaces, it may sound confusing to hear that there are electronic components within. Owners of traditional gas fireplaces don't have to worry about that, though, since the flame comes from a standing pilot. link to How To Get Charcoal Out Of Carpet (Step-by-Step Guide), link to How To Remove Double-Sided Tape and Residue (Step-by-Step Guide). The pilot light systems are actually the most common reason that gas fireplaces do not light, however. When the thermocouple does wear down and finally stop working, the pilot can’t remain lit and your fireplace won’t work as it should. Check the pilot. There are also issues with insects and spiders that lay their nests inside of the pilot tubing, particularly in rural areas. If the pilot light starts to flicker and looks like it may light but then simply burns out, the thermopile is usually the problem. Start the pilot. And the most common reason why a gas fireplace wont light when the switch is turned on is a dirty pilot burner. Try lighting the pilot. This is another relatively small piece of your fireplace that converts heat to electricity, ultimately opening up … Ryan Womeldorf has more than a decade of experience writing. 2. This means that your family will be warm unless the pilot light goes out. Then it turns a blue flame, and slowly disappears until even the pilot light goes out. Some but not all of the gas fireplaces out there will come with an electronic ignition. If it continues to extinguish the flame, replace the vent cap; if you don’t have one, call in a service technician to perform the installation. Many of these valves have an adjustment screw to adjust the pilot flame. 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. 3. Unfortunately, there are times where the fireplace just doesn’t work. He loves to blog about construction, plumbing, and other home topics. Bypassing the ignition. This. Purging the Pilot Tubing 3. Sometimes gas fireplace won’t stay lit because it is not receiving sufficient gas to keep the flame going. The current signals to the valve that it should stay open. If done properly, the light should start the instant that the flame is close enough to do so. Thankfully, there are a few ways to isolate the thermocouple and determine its operational status. All of these screws into a designated port on your gas valve. It could be as simple as an issue with the gas regulator that is located at the tank or perhaps a stuck valve. I have a new construction home with a gas fireplace (Copreci VCS-ECOMOD) that won't stay on when lit. Call your supplier to find out about low gas pressure in the supply. Sometimes it can be as simple as a faulty fireplace vent cap. Checking the thermocouple. Check the service instructions that come with your fireplace. It’s incredibly versatile and can prove helpful in a wide variety of situations. More often than not, the pilot light can simply be reset in order to get your gas fireplace working properly once again. Clear out clogs or blockages. Using a multimeter, you can check this for yourself but may need to have a helper to keep the pilot burning as you do so. If a cold draft blows the pilot out on a regular basis, relight the pilot and check out the vent cap. The pilot like should be burning blue and with a relatively sharp flame, like a minature blow torch. But the thing is that, even though the fuel source is gas, it still uses an electronic ignition to spark the pilot and start the fire in your fireplace. With the pilot light continuously on flame is instantly available at the owner's convenience. Unfortunately, when the thermopile goes bad, that’s a repair that has to be performed by a professional service. 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