as a heating contractor myself, I never simply re-light the pilot, or replace the thermocouple (part that holds the pilot… A furnace requires a pilot light to ignite the natural gas and heat your home. Step 4 – Visually Inspect The Pilot Tube (Burner): The pilot light may be going out if the pilot tube (burner) is blocked, dirty, or clogged. The pilot light on a gas furnace can go out because of drafts. 5 reasons why your pilot light keeps going out furnace 5 reasons why your pilot light keeps going out furnace top 10 reasons why the gas pilot light goes out won t stay lit how to relight your furnace pilot light robert b payne. A thermocouple is a heat sensor placed next to the pilot flame that indicates the gas valve to open when the flame is burning. If you suspect your pilot light is out, the first thing you can do is check for a flame. If your gas furnace is producing a yellow flame, remove the pilot orifice from your furnace and utilize tweezers, a can of air, or another small tool to eliminate the obstruction. The pilot light went out in your home furnace and you aren’t sure what to do. Most furnaces now have a shut off valve that is triggered when the pilot light goes out. It should be turned off, and must be turned off to allow the pilot to be relighted, but there is a safety feature in gas appliances that if the pilot light goes out, a heat operated valve cools off and shuts the gas supply to the pilot light and the main burner. But if the pilot light goes out, the furnace’s sensors detect this and shut off the gas valve to prevent your home from filling up with gas. The burning pilot light generates electricity via the thermocouple to keep the gas feed active. The pilot light itself is also fueled using natural gas, which it gets from a small tube in your gas pipe. But if the thermocouple has a fault, it may think the pilot light is out when it isn’t and shut off the gas—which will in turn cause the pilot light to go out. The Faulty of the thermocouple is also one of the reasons for this. This prevents gas from building up in your furnace, posing a safety hazard. Since the pilot light needs to remain active, your furnace is always consuming some gas. Locate the pilot light assembly and turn the reset switch to OFF. Gas heaters, whether they warm up air or water in a home, rely on a pilot light to trigger the flame of the actual heater. Before cold weather sets in, you need to do a once-over to make sure your heating system is ready to take on the coldest temps of the year. The burner ignites but goes out before your home is heated. The pilot light needs to be relit to burn fuel and heat your home. I have attempted to relight the pilot and the relighting worked, but after holding the button for one-minute+ and a second attempt holding the button at 1 minute 30 seconds, the flame goes out when … Signs That Your Pilot Light Is Out. If after turning the knobs on your furnace you still are not getting a solid flame, this is a … STEP 8: On an older model, you may need to relight the furnace’s pilot light. Once you light the pilot, you need to keep the button depressed for at least 30 seconds (sometimes up to 1 minute). This will ensure proper power generation. It can be caused by blockages in the pilot tube. To clean it, you can turn off the gas, wait five minutes, and then clean the opening with fine wire. Whats people lookup in this blog: Pilot Light Goes Out After Furnace Runs Every homeowner should know how to light his or her pilot. If you have an older gas furnace, your heating unit relies on a little blue flame known as a pilot light to ensure ignition of the burners. The number one reason why the pilot light keeps going out is the thermocouple.Either the thermocouple is going bad or it is dirty and needs to be cleaned. Follow these directions to relight your pilot light. Water heaters, gas fireplaces and old gas stoves also often have similar pilot lights. The second and more common type of electronic ignition system is the hot surface … A dirty pilot tube may be causing your pilot light issues. Luckily any pilot light, be it in a furnace or a water heater, is actually a fairly simple component. An electric spark then lights the pilot light so it can in turn light the burners. However when the furnace is not hot - eg: 1/2 minute after the burn cycle, I can easily light the pilot and it has a good healthy blue flame that engulf the thermocouple and all is well - until the next burn cycle when for whatever reason the pilot becomes weak and does not reach the thermocouple and therefore goes out. Many things can happen that will stop your furnace from heating—so how do you know if the pilot light is the culprit? Older furnaces rely on a standing pilot light to operate. If you don’t see a blue flame near the bottom of your furnace, you will need to access the reset switch and use a lighter to light the pilot again. Gas Heater Pilot Light Troubleshooting. When the furnace shuts off, the valve closes and the pilot light goes out. Sometimes the pilot light can be snuffed out and will need to be relit so that the burners can produce heat. The furnace won't operate properly if the pilot is too weak or goes out. Make sure the flame of the pilot just barely wraps the thermocouple. Gas furnace thermocouple and pilot light location. Wait 10-15 minutes to allow … If your furnace pilot light is out, follow the instructions that come with your unit or reset the system to ignite the pilot light. A new standing pilot gas valve would … If the pilot light keeps going out, the culprit is probably one of two things, with a third being unlikely but possible: Pilot light line flow set too low, or pilot line dirty or obstructed - The pilot light is just a low-flow branch of the gas line that is always on, maintaining the ignition source for when the burner is turned on. When the pilot light is working sufficiently, it will produce an extremely hot blue flame to heat your home. In essence, the pilot is responsible for combusting your fuel source. Use a … My pilot light goes out: Pilot lights do go out occasionally. Sometimes, the tube might be partially clogged and supplying very little gas for combustion- No wonder your pilot light keeps going out. After the time it took to reply to EJ and the additional response to 594, the system pilot has shut down. Even in Texas, winters can get pretty chilly. However, if the problem goes beyond the methods of lighting or fixing the pilot light of a gas or electric furnace, it is time to call Fischer Heating at 206-202-9499 or 425-406-3050 for professional heating system service and maintenance. Why Would My Pilot Light Go Out? The Pilot tube supplies gas to the pilot light for combustion. Pilot Light Is Out. The flame will go out if the tube is clogged with dirt or debris. In an older system, this worked (and still works, for many of us) by the heating system pushing fuel into the combustion chamber where it waits to be ignited, which is the … The pilot light on your furnace is a small flame that hits a thermocouple above it, which creates an electrical current that holds a pilot valve open, allowing the pilot gas to flow. (Because gas … If the pilot light goes out, the pilot light opening might be clogged. Step 5: Check the pilot light (old furnaces only) If the furnace pilot light goes out, it won’t run. genereally any furnace that still has a standing pilot this day and age is rougly about 20 years old. But if your pilot light goes out more than once per season, this could indicate a problem. If your pilot light goes out every now and then, you typically don’t have to worry. The furnace stays on for a short time (1 to 10 minutes) and then goes out. It isn't too difficult and there are usually instructions printed on the … If it’s still not working even after you’ve lit the pilot light, then something else is wrong with it. The flames and pilot light go out but the fan continues to run. How to Re-light Your Furnace Pilot Light. The pilot light goes out when the flame goes out. First, here is some background info. If you’re unable to relight the pilot, it’s likely you’ll need furnace repairs from a … A dirty pilot tube will not be as reliable than if it is clean. This shut off valve ensures that the gas flow is shut off when the pilot light goes out on your furnace. The actual flow of gas to the pilot light … When the water heater pilot light goes out, first try relighting it, following the directions on the water heater label. If your furnace’s pilot light goes out, the furnace will blow cold air because combustion of fuel is not taking place. Sometimes you’ll find that the pilot light and the thermocouple have gained substantial carbon and soot deposits. Furnace Pilot Light Troubleshooting. If the furnace pilot light keeps going out after … When the thermostat is turned up, the furnace ignites and the burner comes on. The pilot light on a gas furnace can go out because of drafts. Any gas furnace uses a pilot light to trigger the burners to heat your home. Check the pilot light on your furnace. The Solution: Thorough cleaning should do the trick. This is the pilot flame that provides the heat. Thermocouples work by producing a small amount of voltage when it is heated. Dirty pilot tube – The pilot … Turn off power to the furnace. Pilot Goes Out. This tube is fitted with a safety valve (the thermocouple), which stops the flow of gas if the pilot light goes out. If it ever goes out, the appliance will have no way to achieve combustion. How to Light a Furnace Pilot Light. The pilot light’s job is to ignite the furnace’s larger burner. Most natural gas appliances with pilot lights are designed to shut off automatically if the pilot goes out. In most cases, if your furnace is less than 20 years old, it should not be dangerous if your pilot light goes out. Your old G12 may have the separate Baso and gas valves. standing pilots will go out from either a downdraft effect from your chimney (cold air entering through chimney), or excessive air. When the furnace turns on, a valve opens up and allows the gas to flow to the pilot light. Possible causes: Overheating. pilot light goes out if its a windy day or not, and there is no obstruction in venting this has been an ongoing problem for a month, pilot will light and furnace will produce steam but shuts down after few hours, pilot can be relit right after it shuts down and the cycle continues There are several reasons for pilot lights to be extinguished, the most common of which include dirt buildup around the pilot light and a malfunctioning thermocouple. If the pilot doesn't relight, if it goes out right after lighting or if the pilot light keeps going out by far the most common cause is a bad thermocouple. You have two options to re-light it: Consult the owner’s manual for your furnace, and follow … Some people even shut them off for the summer. When the pilot light goes out, the loss of current shuts the valve and stops gas flow. Repair technicians will need to replace the thermocouple. The furnace pilot light might just be one of the most important parts of your heating … If the pilot goes out again after all this checking and cleaning you most probably need a new gas valve. If the pilot light goes out, electricity ceases and the valve is shut, stopping the flow of gas. A note about furnaces with standing pilot lights 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.