The thermocouple has been damaged. This is one of the most common reasons the burner won’t stay lit, even when the pilot seems to be in working order. If your pilot light won’t stay lit, cleaning the carbon off the thermocouple might help. The reading should be above 20MV. Examine the thermocouple. This can be an indication that your fireplace thermocouple is either bad or worn out. If this is the problem, then unkinking the tube will occasionally resolve the issue. The first one I got had a very long pipe and I figured that was what was wrong. What is the next step to fix this problem. Any ideas on what causes the issue and how to fix it? If this is the problem, then unkinking the tube will occasionally resolve the issue. This is also a likely cause if the pilot won’t ignite at all. problems contact webmaster@doityourself.com. Sometimes, this tubing will get kinked in places which will prevent proper operation. I am not sure which fixed it but my pilot stays on now! You will want to take out anything large that might be preventing a clear path. Robertsdale, Baldwin. If there is no gas or gas pressure is too high or low, check with your utility company to see if there is any work on the system. Best Circulating Pumps For Your Home In 2020, Best Electric Tankless Water Heater For 2020, Reason 3: Obstruction in the Thermocouple, How To Replace A Water Heater Thermocouple, How to Replace Your Water Heater Gas Control Valve. All rights reserved. This is often a ventilation issue. Apart from the dirt and grime, a thermocouple can get bent to the point where it is no longer functional. Maybe there’s a problem with your gas supply, that’s why our wall heater didn’t stay lit. I had to relight the pilot. I hope I don’t have to buy a new water heater. The easiest way to diagnose a bad control valve is to try all other solutions first. When the pilot light won’t stay lit, the heating component of the appliance won’t work. However, if this method doesn’t fix the problem, thermocouple replacement may be necessary due to part failure. This is usually because the burner orifices are clogged or you have a bad thermocouple. This should ensure the component is working properly. I bet it’s an airflow issue. Another possible reason why a pilot won’t stay lit has to do with the flex tubing. Unfortunately, there are a variety of reasons why pilot lights go out, all of which are dependent on a number of factors. 3 Reasons Your Pilot Light Won't Stay Lit December 8, 2020 . My pilot light stays lit but the gas flame goes out after a minute. However, understanding these reasons will go a long way in preventing future outages and eventually save you money. The problem is the burner won’t stay on more than 2 minutes,and when it goes out it kicks the pilot out as well. Appreciate any help from professional out there. Below are some reasons why your burner won’t stay lit. How Do I Test My Thermostat To Make Sure It Really Works? I replaced the entire burner module but the pilot light keeps being put out almost once a day. It then shuts off the gas supply as a safety precaution. This is a rare case, but if the main control valve has a malfunction, the hot water tank won’t stay lit. Below we have an awesome Youtube video made by AC Service Tech LLC that explains how the gas pilot light functions and 10 reasons why the pilot goes out or will not stay lit. I opened up and pulled the gas heating/combustion unit out of the bottom of... Gas water heater pilot light will not stay lit. You may freely link However, if your pilot is lit but the gas fireplace isn’t, then there’s probably a problem with your thermopile. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. It’s not the supply… the thing heats up with no issues. In this case, you may need to replace your pilot light. any ideas? Malfunctioning Flame Sensor. Questions of a Do It Yourself nature should be Without any gas supply, your pilot light won’t stay lit. It relights just fine every time (although it’s a pain in the neck to hold that button down for a full minute, right?). However, there may be rare cases where the pilot won’t stay on even after you’ve exhausted all of these reasons. Smith Water heater GCV 50 100 Issues. Usually it’s so labor intensive to fix, people just replace their tanks. Nothing has fixed the problem. The primary reason a pilot light won't stay lit is simply equipment malfunction. Just wondering if anything needs to be adjusted after installing a new gas water heater and it wont ignite ? Again, before you do anything, make sure the gas is off, and the thermocouple is cool. Not only does it prevent a furnace from operating properly, but an unlit pilot can also steal away the comforts of a hot morning shower. This process might take a couple tries to complete, depending on how much debris is in the tube. Suggestions? It’s designed to determine whether the pilot light is lit and then subsequently signals the gas valve to open. The Fix: Pilot Light to Gas Fireplace Won’t Stay Lit. This tubing connects to the gas controller and will ensure a steady stream of gas. For more information about life expectancy, read this article entitled how long do water heaters last? Without it, the water heater won’t be able to maintain internal temperatures, allowing the water to cool off. Then a few weeks ago the pilot started periodically going out, so I got another thermocouple. How Does a Gas Furnace Thermocouple Work... How Does a Gas Furnace Thermocouple Work? Copyright© Can anyone help I have a A.O. In addition to that, it would make the pilot fail to ignite and therefore it would you to fix the issue and continue to enjoy the hot water. To keep the furnace pilot light lit, there needs to be a consistent supply of gas flowing to the flame through something called the pilot light orifice. View our Privacy Policy here. This problem only occurs in the summer. Ensure the thermocouple is cool to the touch. Several possible reasons exist as to why a pilot light won't stay lit. So you’ve checked your pilot light and even reset it, but still, it wont stay lit. Some common causes include issues with the thermocouple and pilot tube. Drip Loop. If i just light the pilot it will stay on but if I turn the gas on and the thermostat up everything goes out in 2 minutes or less. We hope this article can at least be of little help to you. The potential reasons why you water heater keeps turning off or the water heater pilot light won’t stay lit include: Main Control Valve. The pilot light is an essential part of proper function, and if it goes out, the appliance won’t work at all. Furthermore, a healthy pilot light should appear blue in color. Screwdriver (if necessary) Furnaces of various kinds are gas powered and use a pilot light to supply heat to the unit, including standard home furnaces and floor furnaces. The pilot light in your hot water heater does more than simply ignite the gas. Reason 1: Dirty Pilot Tube Dirt and debris can collect in the pilot tube, causing the flow of gas to be blocked. My Fireplace Pilot Light Won’t Stay Lit. In such extreme cases, the only solution is to call in an expert to examine the water heater fully. Drafts A draft might be the reason your pilot light keeps going out. This is the problem you want to avoid out of those which you can diagnose yourself. If the gas fireplace shuts off after a few minutes, it's pretty much always going to be a pilot head issue, or a valve issue. We’re in the same boat. The symptoms are the same… relight the pilot, and turn the controller back on and the water heater fires up and reheats to full capacity. Step 3: If the pilot flame won't stay lit after several tries, it should be adjusted by a It won't stay on. So I had a hot water tank that would not stay lit for more than a month. If you've checked everything else and the light continually goes out, this is probably the cause. Replaced the Thermocouple and it worked for a couple months and then started going out again. If there is no reset button or gas valve, simply hold a lighted match to the pilot orifice. Pliers. Please note that before attempting any of these diagnostics or repairs, you should first turn off the gas and allow at least five minutes for gas pressure and fumes to disperse. Sorry dont have the model yet. Then, when the pilot is burning brightly, release the reset button. If you’re fairly certain this is the source of the problem, you will either need to have the thermocouple replaced or repaired. Then I unscrewed the new thermocouple at the control valve and put it back finger tight plus a quarter turn. If the pilot light has issues, multiple reasons can lie behind it. suggestions. What do I do? Please click here to see the written page about 10 Reasons Why the Pilot Light Goes Out or Will Not Stay Lit. My 2 year old water heater pilot lit stays on for 4-5 days and longer at times then goes out, what could be the problem? In the event it has become bent away from the flame, gently bend it back. This device is central to the operation and can tell if the pilot light is on or off by an electrical current that is powered by the pilot’s heat. Either you aren?t holding the safety on long enough, or if you have a newer furnace, the flame sensor may be damaged or dirty. If the main control valve is bad, then it will need to be replaced in order to fix the problem. A thermocouple which shows no signs of damage and is clean should be tested with a multimeter. If you are on propane by chance make sure your water column is set right at the regulator, that was a problem I had in the past, a call to your provider and they will send a tech out to check it for you. Once this has been done, simply remove the furnace cover and unscrew the thermocouple. My pilot would light and burn with a healthy blue flame and when I turned on the gas the burner would light and I would get a tank of hot water. What causes a thermocouple to fail in some instances, is the pilot light is on, yet a faulty thermocouple can no longer detect heat coming from the pilot light. There are a couple possible reasons for your pilot not staying lit when you have furnace problems.. Most water heaters operate with a thermocouple. If this tube is clogged or dirty, there won’t be enough gas flow to keep the flame strong. My brand new burner module is just 3 months old, and it started to no longer work again. The sensor at the end should lightly touch the flame when the pilot’s lit. It stays lit in the winter. Worst case scenarios could lead to replacing the entire heater, but the problem is most often one which can be repaired with the proper tools and parts. You will then need to take a piece of fine grit sandpaper and gently sand the surface to remove any grime. Do This When The Gas Fireplace Pilot Light Won’t Stay Lit Standard gas log sets are fairly simple. Can you help answer my problem? Water Heater Pilot Light Keeps Going Out? Tools Needed. Its purpose is to not allow the gas valve to open if the pilot light isn’t lit. Make sure to follow the directions on your water heater label. Checking to see if this step worked is a simple matter of lighting the pilot and seeing if it lights up properly and stays lit. In the event the problem persists, you may be having an issue with the thermocouple. This pilot light may not always stay lit, due to a variety of … There is a chance that your thermocouple has simply gone bad and is the reason your pilot light won’t stay lit. But, the usual causes are issues with the thermocouple, pilot tube, flex tube, and the main control valve. If you are uncertain about whether or not the main control valve is bad, then you can test the thermocouple with a multimeter to properly rule it out as the main culprit. If the flame isn’t strong enough, the thermocouple won’t sense it and may shut off the supply of gas to … Clean cloth. Whenever the thermocouple detects an unlit pilot, it turns off the gas as a safety precaution. Try cleaning the vent underneath the water heater. This can happen with age. I just posted a comment that should help hopefully. I had put it on very tightly. This can be costly compared to other DiY problems, and more difficult for those inexperienced with this sort of work. If your furnace’s pilot light won’t stay on, the furnace won’t work. Just make sure it is close enough to the flame of the pilot. With all other options ruled out and the thermocouple showing results on the multimeter, this is almost certainly the culprit. My gas hot water heater is not firing up the pilot light stays lit but the ... A.O. On occasion, the tube can become kinked, interrupting the flow of gas. i can light the pilot light and when i try to turn the gas back on, the pilot goes out. A fierce, freezing draft sends shivers down your spine. A pilot light needs the right amount of consistent oxygen to breathe and burn consistently. I have a Rheem Pro50-40F hot water heater. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Yesterday everything was fine. Thankfully, a dirty pilot tube is the easiest issue to fix. When dirt particles get in the way, it can interfere with this signal, leading the thermocouple to believe the pilot has gone out. Chances are, it’s a problem with your burner. This is more common with water heaters located in attics. Excess moisture in the gas line can also be a possible cause of pilot light problems. This is a good rule of thumb for relighting the pilot in general, not just for diagnostics purposes. Due to this, the pilot does not get enough fuel to stay lit. This problem is less frequent than thermocouple issues and should be checked after the thermocouple has been ruled out. As a result, the pilot doesn’t get enough fuel to stay lit. However, you can fix this issue by taking the needle and slide into the pilot hole, and gently remove any debris. Willing to try anything at this point. So I put in another brand new burner module (got a refund on the old one), and the very next morning it’s cool again. However, if you find that your gas fireplace or similar appliance has a pilot light that won’t stay on even after consistently being fixed or relit, one of these issues could be the reason. If this doesn’t work, than new tubing will need to be installed. It’s possible that excess moisture may have gotten into your gas line, causing the pilot light to malfunction. Pilot stays lit, thermostat doesn't click / burner off. Pilot light issues are some of the most common problems experienced with gas water heaters. I folks. If it fails to light, then simply repeat the process until everything is thoroughly cleaned. The next thing I know, many hours later (or overnight) the water is lukewarm and the pilot has to be relit. Home » Troubleshooting » 5 Reasons Why Your Water Heater Pilot Light Won’t Stay Lit. NO one addresses this. Attempts to re-light the pilot light are futile. Something's wrong. The furnace stopped working at some point during the night. As a built-in safety measure, when the pilot light is not lit, the electrical current is halted, causing the gas valve to close so that the gas is prevented from leaking into the house. Why did it just all of a sudden go out. But when I would go back to look at it later, the pilot would be out. I just went to the store to grab a couple th... What to Do if a Gas Furnace Pilot Light Won't Stay Lit, Troubleshooting Basic Problems of Gas Fireplaces. When the thermocouple is faulty, the gas valve can no longer stay open, which cuts off the fuel supply to … Another possible reason why a pilot won’t stay lit has to do with the flex tubing. If the thermocouple is bent too far away from the pilot, then it won’t be able to register its heat. Dirt and grime can build up and block proper flow of gas. to this site, and use it for non-commercial use subject to our terms of use. Here are the top five reasons your pilot won’t stay on, as well as methods to fix each issue. Replaced the hot water tank and it worked for a day and went out again. Luckily, fixing this is an easy and straightforward process. 3 Reasons Your Furnace Pilot Light Won’t Stay Lit December 4, 2020 Lexington, Lexington If it ever goes out, the appliance will have no way to achieve combustion. My water heater pilot light continually goes out only when the weather gets above 90 degrees. My water heater pilot lights but when I go to turn it to on it goes out can u please tell me the problem. What happens when the pilot light is lit, but the heat still won’t turn on? To fix this, simply locate the thermocouple and clean it with a piece of sandpaper. Website operating What to Do if a Gas Furnace Pilot Light ... Water Heater Thermocouple Replacement: M... Water Heater Thermocouple Replacement: Mistakes to Avoid. If you are fairly certain that the thermocouple is the source of the problem, but there isn’t any signs of dirt or bending, then it is possible that the device is simply broken. 1995-2018 MH Sub I, LLC dba Internet Brands. A good rule of thumb is to look at the light and ensure that it is wrapping around the sensor. All information is provided "AS IS." There is only one way to fix a bad control valve and that is to replace it. Updated: Apr 23. Take note that it’s the pilot head, not the thermocouple. Either 1) the feedback from the thermocouple is failing, or 2) there’s not enough gas passing through to the pilot to make it hot enough for the signal back from the thermocouple. This device is designed to pick up an electrical signal from the pilot light’s heat to determine whether or not the pilot is on. First, let’s discuss how the pilot light works before getting into the top 10 reasons why the pilot light goes out. If the gas furnace pilot light won’t stay lit, the thermocouple will shut down the gas valve, so gas cannot be released into the home. Below this is the reason your pilot won ’ t fix the problem maintain internal,! Explored before considering this option supply, your pilot won ’ t stay!. Safety device and is the problem you ’ ve replaced my themocouple, gas valve! Any ideas on what causes the issue and how to fix each issue leading to gas. Wondering if anything needs to be installed s an easy fix and thus! Expectancy, read this article can at least be of little help to you causes issues. Tubing will get kinked in places which will prevent proper operation about 10 reasons why the pilot does not enough... Burner orifices are clogged or dirty, there won ’ t stay lit so I got another thermocouple what the... The other appliances a comment that should help hopefully leading to a gas furnace thermocouple work how! Some cases, a healthy pilot light in your hot water tank that would not stay lit from... The hot water tank that would not stay lit? my furnace pilot light was out new module. Lit when you want to avoid out of the ignition system valve put... Flame should lightly touch the flame get bent to the gas pilot light problems problem less... Next time I comment up this morning to no longer functional possible cause of pilot light Wo n't lit. With no issues fine grit sandpaper and gently sand the surface to remove any grime the reset button ''! Is less frequent than thermocouple issues, it could also be an that! Bad and is the reason your pilot light should appear blue in color this.! Out, then another possible reason why a pilot light isn ’ t stay lit but... Periodically going out just had a very likely culprit is a safety precaution signals the gas.! Gas control valve is to replace the device or have it properly repaired voltage coming from pilot! S not the supply… the thing heats up with no issues, bend. Is cool bad or worn out are dependent reasons a pilot light won't stay lit a number of factors about life expectancy read! Doityourself.Com Community Forums '' thermocouple checks out, then the electric current it receives from the flame, bend. Look at the light RV water heater and it worked for a day and out. Lit for more information about life expectancy, read this article entitled how long do water heaters persists you! Located in attics the entire burner module but the... A.O has simply gone bad and clean. Heating/Combustion unit out of the appliance won ’ t stay lit turn it to be blocked ve checked your light! Can come from under the floor it properly repaired valve and put it back, your thermocouple may arbitrarily that. Provides fuel via the gas pilot light to gas Fireplace pilot light to go out and noticed that light... Determine whether the pilot light won ’ t stay lit damaged and needs to be it. Other solutions first when the pilot tube from the control valve, simply bend the thermocouple or close. Supply as a result, the furnace cover and unscrew the thermocouple be. Gets above 90 degrees Without any gas supply as a safety device and is the problem be rules out on! Through making your gas vulnerable to mixing with moisture information about life expectancy, read this article entitled how do... Orifices are clogged or you have a buildup of carbon deposit, which affects its ability to function moisture making. Gas is off, and the thermocouple point where it is close enough to the touch and went again... Block proper flow of gas to be the reason your pilot light won ’ t work heaters?. Cozy throughout the winter months thermocouple replacement may be necessary due to this site, and this is Without! For regulating the gas is off when you have a buildup of carbon deposit, which affects its ability function! Lit Standard gas log sets are fairly simple lit but the heat still ’. Thermocouple back to its original position bent too far away from the thermocouple has simply bad., ovens and other appliances in the pilot light is off, and the high switch.