Some common causes include issues with the thermocouple and pilot tube. The light lit is not stay on . 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 your furnace doesn’t stay on, check the pilot light. pilot won't stay lit on intertherm furnace? Once it has cooled, the pilot tube can easily be cleaned. Pilot light problems are common in gas appliances, such as water heaters, furnaces, and gas fireplaces. Make sure you still have an orifice on your burner before you throw anything away or hook it back up. Here are some common problems that can lead to … Let’s look at the most common reasons the furnace pilot won’t stay lit. Tighten the thermocouple, which is the metal bracket that surrounds the pilot light. Hold it down for at least 30 seconds in order for the thermocouple to get warmed up. Modern furnaces tend to have an electronic igniter or a hot surface igniter, and the pilot compartment is sealed, so you couldn't light the pilot with a match even if you wanted to. Cause #1: Dirt. Compressed air. Contact an authorized service technician if the above steps do not resolve the issue. Reason 1: Dirty Pilot Tube. Amazon If the pilot lights but the flame is weak and yellow, it will not get hot enough to heat the thermocouple to its set point and allow the gas valve to open. Some common causes include issues with the thermocouple and pilot tube. The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. If the orifice is dirty or clogged, the flow of gas won’t be as consistent or as strong as it needs to be, which will likely prevent the pilot light from staying lit. My Boiler’s Pilot Light Won’t Stay Lit! 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. The flex tube is how the gas reaches the device, and if the continuous flow of gas is interrupted, the pilot light won’t stay lit. You need to give the flame enough time to heat the flame sensor that tells your furnace it’s OK to light the burner. Let’s look at the most common reasons the furnace pilot won’t stay lit. By creating an account you agree to the Hunker, Ask Me Help Desk: My Pilot Light Won’t Stay Lit, Hannabery: Common HVAC Problems – My Pilot Light Won’t Stay Lit. A Weak Burning Flame – if the color of your pilot light flame is not a bright blue color, most notably (yellowish in color), then there is something that’s causing your pilot light to burn at an inconsistent or inefficient rate. This is also a likely cause if the pilot won’t ignite at all. For more information about life expectancy, read this article entitled how long do water heaters last? If your problem is not with your gas line, see if your pilot light is lit, since your pilot light or ignition sensor is the most common culprit behind a furnace that won’t ignite. This is typically the problem if you can hear your furnace click on but it does not fire up. Malfunction of the Burner. Make sure you still have an orifice on your burner before you throw anything away or hook it back up. If your furnace’s pilot light won’t stay on, the furnace won’t work. try not to bend them close to the end where it attaches to the valve and at the pilot burner. Butane grill lighters work well also. A faulty or dirty ignition or sensor is a relatively easy fix, so follow these steps, and … Williams Wall Furnace Pilot Light Won't Stay Lit­ With the result of a blockage in the pilot tube, the Williams wall furnace pilot light won't stay lit. Locate the pilot burner and clean with an old toothbrush lightly sprayed with water-displacing spray, commonly available at most hardware stores or home repair stores. This usually happens when the tube is kinked at one or many points. We hadn't needed to use the furnace and didn't notice that it had gone out until this weekend when it got real cold. Jump to Latest Follow ... can i just go to a store and ask for a new pilot burner? While other parts of the country are preparing for warmer weather in the coming weeks—and prepping your air conditioner for summer now is a great idea—we are still dealing with chillier temps in our area, especially at night. This is … When the pilot on your wall furnace does not stay lit, your furnace won’t heat. Since it may be clogged, you can try cleaning it when your gas furnace has cooled down and the gas supply has been turned off. It could simply be that the thermocouple is bent. The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. It won't stay on. If your furnace is located by a door leading to the outside or you had a fan running near your furnace, the breeze could have extinguished the pilot light. Okay, So I Tried A Bunch Of Times.. The furnace stopped working at some point during the night. My pilot light would not stay lit. Once the pilot is lit keep the button depressed for at least 30 seconds (sometimes up to 1 minute). Clean cloth. Your furnace requires fuel to keep the pilot light engaged and the burners functioning. The flex tube is how the gas reaches the device, and if the continuous flow of gas is interrupted, the pilot light won’t stay lit. Does the pilot light fire at all? If your gas furnace’s pilot light keeps going out, you’re probably frustrated (and cold). If a standing pilot refuses to light or won't stay lit, it is possible that it is worn out and needs to be replaced. It is possible for the pilot tube in your furnace to become blocked, making the pilot light go out. All you will need to clean the pilot tube is a needle. Some common causes include issues with the thermocouple and pilot tube. That will be followed by an explanation of how to light a pilot light on a furnace. A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. Why Won’t My Furnace Pilot Light Stay Lit? Malfunctioning Thermocouple. 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. Reason 1: Dirty Pilot Tube Dirt and debris can collect in the pilot tube, causing the flow of gas to be blocked. Thankfully, a dirty pilot tube is the easiest issue to fix. Reznor pilot light won't stay lit. Step 4: If the pilot flame won't stay lit, the opening may be clogged. Malfunctioning Thermocouple. If the pilot is hard to reach, you may have to use a long fireplace match. This component will deactivates the gas when the pilot light goes out. Amazon If the pilot lights but the flame is weak and yellow, it will not get hot enough to heat the thermocouple to its set point and allow the gas valve to open. We hadn't needed to use the furnace and didn't notice that it had gone out until this weekend when it got real cold. Meredith Jameson writes early childhood parenting and family health articles for various online publications. Turn the gas valve OFF and clean the opening with piece of fine wire. The thermocouple detects the pilot light via sensors. As a result, the pilot doesn’t get enough fuel to stay lit. Well, if your gas furnace pilot light won’t stay lit, it’s usually due to 1 of these 4 issues: A bad thermocouple; Pilot light problems; Bad gas regulator; Bad gas … Step 4: If the pilot flame won't stay lit, the opening may be clogged. This gives the flame enough time to heat the flame sensor (thermocouple) that tells your furnace it’s OK to light the burner. When my husband tried to light it again, it would go out every time he let go of the button. This also another possible reason why your pilot’s light won’t come on. Locate the pilot valve. Once the pilot is lit keep the button depressed for at least 30 seconds (sometimes up to 1 minute). More than likely, the issue with your pilot light will require a professional to diagnose and repair. Blow some compressed air through the flame orifice and air intake. When your furnace won’t kick on, check to see if the pilot light may have went out. To find out if you need a new one, turn the gas valve to pilot and then depress the override button. You may need a … Get a needle and scrape the inside of the pilot tube. Some common causes include issues with the thermocouple and pilot tube. ... looks like your latest tcple is dead if it won't stay lit or the gas valve failed. Block the drafts if possible. The thermocouple is a rod that comes into physical contact with the flame in your system. Attempts to re-light the pilot light are futile. We lit the pilot light a couple weeks ago, it stayed lit, we ran the furnace for 1/2 hour... everything seemed fine. If you own a system that uses a standing pilot light, it is possible to upgrade to an intermittent ignition device. Cause #1: Dirt. Our top brands are engineered with the most advanced technology and offer optimal indoor comfort. Maybe the pilot stays on for a moment and the furnace attempts to fire, but almost immediately shuts down. Always turn the valve knob to the off position and make sure to wait at least several minutes for any residual gas to clear away. If the pilot comes on, but it won't stay lit, the thermocouple may be bad, and that's probably the reason the pilot went out in the first place. Newer electronic components improve efficiency and reduce safety hazards like allowing carbon monoxide to accumulate in your home. If your furnace won’t kick on, check the pilot light. Make sure the thermostat is in heat mode. The outside exhaust blows hot air after I hear ignition then stops and goes through another cycle. So what’s the problem? This is typically the problem if you can hear your furnace click on but it does not fire up. Inspect the Furnace Pilot Light. If the pilot flame still won't stay lit, call a professional service person. If so, what color is the flame? Wait five minutes to allow gas to exit the lines before performing any cleaning or maintenance on the unit. This can happen with age. She holds a Bachelor of Arts in history from San Francisco State University. 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. That will be followed by an explanation of how to light a pilot light on a furnace. So, you have to turn off the gas, clear the tube with compressed air and relight the pilot. Must present coupon at time of service. If the pilot tube is dirty, let the furnace cool down and turn off the gas. With cooler temperatures just around the corner in Newnan, GA, you’ll want to be sure your furnace will be ready to keep you warm. One brand name is WD-40. If you have an older model furnace with a standing pilot light, you can follow this basic procedure to relight the pilot flame. As a result, the pilot doesn’t get enough fuel to stay lit. If your furnace is located by a door leading to the outside or you had a fan running near your furnace, the breeze could have extinguished the pilot light. This component will deactivates the gas when the pilot light goes out. The pilot light orifice is the part of your furnace that controls the flow of gas to the pilot light. A Weak Burning Flame – if the color of your pilot light flame is not a bright blue color, most notably (yellowish in color), then there is something that’s causing your pilot light to burn at an inconsistent or inefficient rate. If it won't stay lit after several attempts, you may have a faulty thermocouple. Maintenance or troubleshooting should only be performed by adults familiar with operating large gas appliances. The thermocouple detects the pilot light via sensors. Merrell & Associates Phone: (770) 872-4171, All Content Copyright © 2020 Merrell & Associates | Privacy Policy | Accessibility Statement | Sitemap, Indoor Air Quality Concerns for Commercial Settings, Understanding Where Household VOCs Come From, Get Germicidal UV Lamps Integrated Directly Into Your AC Equipment. When the pilot on your wall furnace does not stay lit, your furnace won’t heat. I have regularly done this to get the air out of the line after refills of the tank, this time it will not stay lit. try not to bend them close to the end where it attaches to the valve and at the pilot burner. Hunker may earn compensation through affiliate links in this story. Water Heater Pilot Light Keeps Going Out? Pliers. You can try bending the thermocouple back into position. If your furnace’s pilot light won’t stay on, the furnace won’t work. My furnace LP gas pilot won't stay lit. There are a couple possible reasons for your pilot not staying lit when you have furnace problems. If your furnace won’t kick on, check the pilot light. If you are having trouble trying to light a standing pilot light on an old furnace make sure you are holding the pilot button long enough. A furnace thermocouple is a safety feature that regulates gas flow to your system based on whether the pilot light is on. The thermocouple detects the pilot light via sensors. It was coming on but now the pilot won't stay lit. While this is a less common problem, it still may be the cause of your pilot light's problems. I have a Carrier 58GFA gas furnace, I use propane. There are several possible reasons why your gas furnace pilot won’t light: an ongoing draft, a faulty thermocouple, an accumulation of dirt, or an inefficient supply. This can happen with age. Whichever option you choose, it’s important to hire a qualified professional to do the work in order to ensure your family’s safety along with optimal performance. It will ignite and then poof, goes out and does it 4 times and then turns off. Here’s another tip when the gas fireplace pilot light won’t stay lit: You wouldn’t expect a new valve to line up exactly the same way as your old one. The pilot light orifice is the part of your furnace that controls the flow of gas to the pilot light. It was coming on but now the pilot won't stay lit. There are many components that make the pilot light work, and when they don’t function properly, your furnace won’t stay lit. A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. If the burners are not working as they should, they won’t generate heat properly. 3 Reasons Your Furnace Pilot Light Won’t Stay Lit December 4, 2020 . If your furnace pilot light keeps going out, it’s likely you have a broken thermocouple in your gas furnace. If the furnace pilot light won’t stay lit, start by switching the furnace’s power on and off. It may be that it’s dirty and needs cleaning. There are often telltale signs to alert you that it may be time to replace your furnace. Furnace Pilot Light Keeps Going Out – Causes & Cures. Call Merrell & Associates for complete details. Ongoing Draft Over the years, your pilot light may blow out periodically due to a strong draft during storm activity, or … It’s a box-shaped device and is typically located near the gas burners. If the pilot flame still won't stay lit, call a professional service person. Here’s our quick suggestion: If your gas furnace pilot light won’t stay lit, you should probably call a technician. ... looks like your latest tcple is dead if it won't stay lit or the gas valve failed. A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. If you suspect this problem, check the burners to see if they look dirty. Your furnace requires fuel to keep the pilot light engaged and the burners functioning. Clean any debris from the air hole on the burner, which will prevent proper air flow and result in an unstable pilot light. Here are some common problems that can lead to a pilot light not staying lit. If your pilot doesn’t re-light, won’t stay lit or keeps going out after a short time, you most likely have an issue with the hot water heater thermocouple. I light it and get a nice blue flame, and when the thermostat calls for heat everything fires up nicely. If your furnace’s pilot light won’t stay on, the furnace won’t work. At Merrell & Associates, we carry and install energy-efficient oil and gas furnaces with two-stage and variable-speed heating. If after resetting the pilot, the gas furnace still won’t turn on, power down the furnace and inspect the element for any damage. The thermocouple detects the pilot light via sensors. Servicing the Pilot on Modern Gas Furnaces Modern furnaces tend to have an electronic igniter or a hot surface igniter, and the pilot compartment is sealed, so you couldn't light the pilot with a match even if you wanted to. Otherwise, it is usually more cost-effective to replace the system outright. The burner provides heat output for your furnace. If it ever goes out, the appliance will have no way to achieve combustion. If so, what color is the flame? The thermocouple is a rod that comes into physical contact with the flame in your system. It doesn't work, you need to call a repair person or install a new thermocouple yourself. Check the Pilot Tube. Be sure to call us at 770-872-4171 if you’re in the market for a new furnace. Lexington, Lexington. If your furnace is more than 12-15 years old, it may be a good idea to consider a replacement. Cannot be combined with any other offer. It can easily be cleaned off with fine grain sandpaper. If this is your first time turning on your furnace this season, keep in mind that it may take a little extra time for the pilot light to turn on. If this is your first time turning on your furnace this season, keep in mind that it may take a little extra time for the pilot light to turn on. 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. Turn the gas valve OFF and clean the opening with piece of fine wire. We lit the pilot light a couple weeks ago, it stayed lit, we ran the furnace for 1/2 hour... everything seemed fine. Bad Thermocouple. Sometimes, this causes the pilot light to stay on for only a few seconds. However, a malfunctioning thermocouple may lose the ability to sense heat from the pilot light, causing it to close the gas valve at random. If you are trying to light a standing pilot light on an old furnace but it keeps going out, make sure you are holding the pilot button long enough. In simple terms, the thermocouple checks to see if your pilot light flame is lit and turns off the gas flow if it senses that your pilot light is off, so you don’t have gas building up in your home. Turn off the furnace, unplug from the power supply, and turn off the gas supply. This pilot light may not always stay lit, due to a variety of issues that may affect the gas supply or ignitor. Originally published January 2014, last updated September 2019. If it won't stay lit after several attempts, you may have a faulty thermocouple. The pilot light in our Coleman Presidential 7970C856 furnace won't stay lit. If the pilot light won’t stay lit, a bad thermocouple could be to blame. If the pilot doesn't light, wait a couple minutes and try again. If your furnace doesn’t stay on, check the pilot light. Troubleshooting this issue may be helpful in determining the source of the problem and helping users identify a potential resolution. Any blockage in the pilot tube will cause the furnace to not stay lit. Today’s models have longer lifespans and are considerably more efficient than older models. When your furnace won’t kick on, check to see if the pilot light may have went out. Does the pilot light fire at all? Jump to Latest Follow ... can i just go to a store and ask for a new pilot burner? A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. A furnace requires a pilot light to ignite the natural gas and heat your home. If it ever goes out, the appliance will have no way to achieve combustion. This usually happens when the tube is kinked at one or many points. The LP works fine on the hot water heater and cook … A faulty or dirty ignition or sensor is a relatively easy fix, so follow these steps, and … How to Fix. But more often than not when the thermostat shuts off the heat, the pilot goes out. 3 Reasons Your Furnace Pilot Light Won’t Stay Lit December 4, 2020 . I have a Carrier 58GFA gas furnace, I use propane. At Black Diamond, our heating repair professionals have seen this quite often. So you may need to do some plumbing in order to get it right. Here’s another tip when the gas fireplace pilot light won’t stay lit: You wouldn’t expect a new valve to line up exactly the same way as your old one. A dirty pilot tube can also prevent the pilot from staying lit. Get your match ready. Pilot Light Won't Stay Lit [ 0 Answers ] Hi I just change a new thermal couple ao smith gas hot water and clean the filter bottom of the tank but when I turn the pilot on and the burn on after a day still not working . Wipe the burner clean with a dry cloth. If so, it will not face the pilot light. ... as the original then put it back to the furnish open the gas valve push the button for pilot atleast 3 minutes then lit the pilot do not release the botton early wait about 5 minutes before you release otherwise theres a chance this pilot light … If your furnace’s pilot light won’t stay on, the furnace won’t work. To get warmed up most cases, the pilot flame stay on for a new one, the. Depressed for at least 30 seconds ( sometimes up to 1 minute ) they! 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