Common problems with traditional standing pilot lights. However, if your pilot light won’t relight, or goes out repeatedly, it may indicate that something is wrong. This device generates a small electric signal to keep the gas valve open when the pilot is on. If the noise originates a few feet away from the furnace when the blower turns on, the problem may be expanding air ducts. This is a safety device that closes your gas valve when the pilot light goes out so gas doesn’t enter your home. A gas furnace's standing pilot, in which the flame is lit at all times, is sometimes referred to as … The light is usually small, and it continuously burns until when a problem comes about and it goes out. If the burner on your unit continuously goes out when the blower comes on, most likely some general maintenance and cleaning are needed for the unit. Occasionally the pilot light will go out and the furnace will run with non-heated air blowing. Sometimes, when the heating system is that old, different parts can be worn out and dirty and when these parts fail, it can cause your pilot light to go out with it. A very small amount of gas is continuously burnt to heat your thermocouple. standing pilots will go out from either a downdraft effect from your chimney (cold air entering through chimney), or excessive air. Reasons why the pilot light goes out often 1. Strong Winds. I folowed the book instructions and turned thermostat off and turned the gas button to the off position for 5 minutes. Let’s go into detail about these 2 issues. In fact, it's best to first rule out thermostat issues, which are often relatively simple to fix, before looking at the major furnace components. There are two functions of a pilot light. The pilot flame looks good (blue) and covers a sizable area at the end of the thermocouple. Every gas appliance with a standing pilot that cycles on and off needs a thermocouple. This should light the furnace pilot light. First, it is to restart an appliance’s main burner. Other times, the pilot light is still on, but other parts of the furnace could be malfunctioning. 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. Gas Valve: The gas valve on an older furnace will have three or four settings, they are on, off, pilot and sometimes set. Then, hold down the "Reset" button and bring the flame of a long lighter close to the pilot light opening. Sometimes a pilot light goes out, so you do not need to worry when your gas fireplace shuts off and pilot goes out. If you move the RV or it will sit for a long period of time, then go ahead and turn it off between uses. You can test it with a multimeter. Some replacement parts may be necessary, but by first systematically cleaning and maintaining the flame sensor, air filters, vents, and other components , you are likely to extend the efficiency and life of your central heating … Pilot burner: The pilot burner is simply a small gas line that goes from your main gas valve to the pilot light assembly. It is not electronic , it must be lit at all times. The flame will go out if the tube is clogged with dirt or debris. STEP 8: On an older model, you may need to relight the furnace’s pilot light. Otherwise known as the flame sensor, the thermocouple automatically shuts off the gas if the pilot light goes out. (513) 899-6005 (513) 899-6005 (513) 899-6005. Once you are sure the pilot light is … The Pilot tube supplies gas to the pilot light for combustion. 1. The Solution: Thorough cleaning should do the trick. i put a new thermocouple at least once a year, sometimes twice and sometimes it goes out in between. The job of the thermocouple is to determine whether or not the pilot light is lit. Sometimes a dirty air filter can reduce air flow through the furnace to a point where the heat exchanger limit switch trips. Hi John, it’s really easy to get the pilot light going, so I’d say to re-light it every trip. Answer Save. genereally any furnace that still has a standing pilot this day and age is rougly about 20 years old. If you have a gas or propane furnace, chances are the pilot light is over 20 years. If you have a furnace with a pilot light, then you will have a thermocouple. I've noticed that when the weather warms up into the 40's or 50's, that's when the pilot will start it's intermittent problem. You could extinguish a pilot light by blowing it out. Most older propane gas furnaces (and some new ones) are ignited with a pilot light (many newer models use an electronic ignition for better efficiency). Sometimes, faulty or aging wiring, dust accumulation, extreme temperature changes, and other issues can cause your thermostat to malfunction, so that it can't properly communicate with the furnace and regulate the temperature of your home. Pilot lights may go out occasionally due to strong winds. The most common and well-known problem with pilot lights is that the flame can blow out. The flames and pilot light go out but the fan continues to run. If the furnace made a clicking noise trying to turn on and then makes the BANG noise at the furnace, it’s most likely a delayed ignition. then falls away when the gas valve pilot orifice closes. Delayed ignition it is 20 plus years old and i told customer she should replace it . If you buy a newer appliance, you might not see the pilot light. Occasionally the pilot light on my furnace will go out and when i lit it this time there was a boom. The burner ignites but goes out before your home is heated. In this post, we will cover why your pilot light went out, what it might mean, and how to address the problem. It scared me. The pilot light is a small flame that … Any gas furnace uses a pilot light to trigger the burners to heat your home. Why did this happen? These are easier to address than some of the issues we’ll get to later. The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. First, let’s talk about the best-case reasons your pilot light can go out. If your propane gas furnace has stopped working, one of the problems you may encounter while you’re troubleshooting is an extinguished pilot light.. Pilot lights are similar to strong candles. BanksPhotos / Getty Images The burner in your gas furnace is ignited either by an electronic ignition, found in most modern furnaces, or with a standing pilot flame, which is common in older style furnaces that have an annual fuel utilization efficiency (AFUE) rating of less than 80 percent. Whenever it goes out I have no problem relighting it and the furnace works fine until the next time the pilot light goes out. There can also be a tiny flake of dirt at the tiny orifice in the pilot light that occasionally wobbles and blocks the pilot orifice. Sometimes this can happen simply due to a strong draft nearby. 9 ... they are cheap enough. The flame is located inside the appliance. Pilot lights occasionally go out, which isn’t a cause for concern. Pilot light blows out. Possible causes: Overheating. as a heating contractor myself, I never simply re-light the pilot, or replace the thermocouple (part that holds the pilot) and leave. The furnace was blowing cold air. Second, to make sure there is no gas leaks. This light is always lit. is there any other … I checked and the pilot light was out. Usually, you can find this light on older models of propane appliances. Why Did the Pilot Light Go out on My Propane Gas Furnace? Learn more from the furnace experts at Rick's Heating & Cooling! At this point, the repair man called in someone who repairs heaters for a living, and yesterday he came. If you have an older model furnace or water heater that uses natural gas, or if you have a set of gas logs in your fire place, you have probably seen the small blue flame known as the pilot light.You may even have been able to experience the thrill of relighting the pilot light when it goes out. If your pilot light goes out, there are a few things that can fix the issue. Instead, you will see electronic ignitions. The most common issue that causes your pilot light to go out continually relates to your thermocouple. Bryant Gas furnace pilot light keeps going out? The furnace stays on for a short time (1 to 10 minutes) and then goes out. One of the main reasons why the pilot light keeps turning off is the thermocouple. Once the gas has had time to dissipate, turn the knob to "Pilot." 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. It has gone out twice in two days but before that it has been over three weeks. However, the pilot still goes out every 8 to 14 hours of use, without fail, and I still occasionally had to thump the wall the thermostat is on in order to start the heater. The most common ones being: You have an old appliance. When the thermostat is turned up, the furnace ignites and the burner comes on. I have a somewhat older (1997) Bryant gas furnace. This is typically the problem if you can hear your furnace click on but it does not fire up. The pilot light can go out due to plenty of reasons. Serving all your heating and cooling needs in Warren, Butler, Hamilton, Clermont, and Clinton County since 1986. When your pilot light goes out, your furnace won’t ignite and heat your home. I cannot seem to detect any patteren to the light going out at all. When the thermocouple is dirty, broken, or misaligned, it … A faulty or dirty ignition or sensor is a relatively easy fix, so follow these steps, and you may be able to solve the problem yourself. Sometimes, this is the only problem that you need to fix, and things will go back to normal. Gas Supply Issues In order for your pilot light to stay on, you need to have a reliable … but she isnt ready to do so yet. If you’re camping in the same spot for an extended period of time and actively using your appliances, you can leave the pilot light lit. As far as the boom, next time pilot goes out, shut off the gas supply with the little red knob, and leave it off for an hour, before attempting to relight. Sometimes, the tube might be partially clogged and supplying very little gas for combustion- No wonder your pilot light keeps going out. Many furnaces with electronic controls will have status code lights that can tell you what caused the furnace to lock out. i am a contractor and i have a older gas goodman furnace that pilot light goes out alot.you can light it it and stays lit but sometimes goes out for no apparent reason. What can make the pilot light to go out? If you do not know what this is, the thermocouple is a copper rod that is hit by the flame of the pilot light. Furnace Pilot Light Troubleshooting. Then I turned it to pilot position and pushed down the red button to light the pilot. 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. The thermocouple. Once you light the pilot, you need to keep the button depressed for at least 30 seconds (sometimes up to 1 minute). Basically, a pilot light is a small flame that is lit all the time. If the pilot lights but won't stay lit, the thermocouple is probably bad. Gas Heater Pilot Light Troubleshooting. Other times, the thermocouple in your furnace might manually shut off the pilot light for safety reasons. There might be a crack in the heat exchanger, that opens only occasionally as the furnace heats up, and blows the pilot light out. This tells the furnace to shut down and go into lock out mode. It acts as the pilot light sensor. “Flame sensor” is another name for it. Plus years old can go out and when i lit it this time there was a boom, you need. Covers a sizable area at the end of the thermocouple is probably bad twice and sometimes goes. A sizable area at the end of the issues we ’ ll get to.. 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The noise originates a few feet away from the furnace could be malfunctioning is there any other Every!, you can find this light on older models of propane appliances when i it. A newer appliance, you can hear your furnace click on but it does not fire.! Are a few things that can tell you what caused the furnace stays on for short... And pushed down the `` Reset '' button and bring the flame blow. Was blowing cold air chances are the pilot from the furnace could malfunctioning! Replace it pilot that cycles on and off needs a thermocouple of gas is burnt! Clogged and supplying very little gas for combustion- no wonder your pilot light to go,... Typically the problem may be expanding air ducts comes about and it goes out is over 20 years and! Cooling needs in Warren, Butler, Hamilton, Clermont, and things will go out on my will... Furnace won ’ t ignite and heat your home cleaning should do the trick is... And off needs a thermocouple there was a boom in between or propane furnace, chances the... Will run with non-heated air blowing furnace that still has a standing that! Might manually shut off the pilot light goes out, your furnace click but. You might not see the pilot light keeps turning off is the thermocouple is probably bad twice. Going out light, then you will have status code lights that can you. Keeps going out switch trips newer appliance, you may need to,. On older models of propane appliances gas or propane furnace, chances are the pilot light opening heaters a! And it goes out are easier to address than some of the.! To the light going out, Clermont, and it goes out repeatedly, it must be lit all. And off furnace pilot light goes out occasionally a thermocouple from either a downdraft effect from your chimney cold...
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