pilot light is lit but furnace won't kick on

By | December 30, 2020

If there is no flame, then the pilot is out. First, confirm that the light is out. It is an electronic pilot. You need to manually light the pilot … This fan gets fresh air into your furnace to create a safe combustion chamber. That way, the furnace won’t kick in while you’re trying to turn off the pilot light. If you’re not … Put everything back together and lit the pilot light. If you have an older furnace that uses a gas-lit pilot light, check to ensure that the flame is burning. The flame looks perfect, nice and blue, the thermocouple gets glowing hot when attempting to light the pilot. If there is a flame, but the flame is weak or burning a strange color, then the burner assembly may be clogged and need cleaning. Step 3: Turn your furnace back on. Replaced thermostat, and still nothing. A new burner plate (last year) and the blower works. I've got an older Williams model Propane furnace (model # 450sfa-2) controlled by a Lux 1500 Thermostat, and I've tried everything I can think of. Anyways, the ignition will kick in, and the pilot lights just fine. Unless I am mistaken, this furnace does not have a flame sensor, so I'm at a loss for what could be the problem. If the pilot light was blown out, your furnace will not ignite properly. But more often than not when the thermostat shuts off the heat, the pilot goes out. The last bit of troubleshooting to … I have replaced the thermocouple to no avail. Or, it could be that your furnace as a whole may just be broken. Ihave a Bosh water wizard 10P . The pilot light is supposed to be a strong blue cone, not a weak yellow flame. After turning the gas supply back on, your furnace should be able to ignite itself. Bad Thermocouple. the ac no … I light it and get a nice blue flame, and when the thermostat calls for heat everything fires up nicely. They skip steps 3, 4 and 5 and light the burner directly. A weaker flame won’t envelop the thermocouple properly. Call Air Experts to Repair Your Furnace’s Pilot Light in Raleigh, NC. The draft inducer fan kicks on. The gas valve opens and sends gas to the pilot burner. They have HSIs (hot surface ignitors). The flame is yellow not blue like it says in the book it should be. However, if … It is the type where the pilot is not always on. Then it shut off before reaching the desired room temp, and we can not get it to come back on. It says "depress button and turn counter-clockwise from OFF to PILOT. The standing pilot light is burning. Water heater was working fine till this morning. What part should we replace? Inspect your furnace and search for a small black or green dial that’s labeled “On,” “Off,” and “Pilot.” If you can’t find the dial … We light the pilot but the knob should pop up after one minute thus lighting the furnace. The floor furnace itself is very … Some common causes include issues with the thermocouple and pilot tube. The furnace stopped working, the pilot light is lite, but the burners won't fire. Insufficient Gas Supply . If you have an older furnace with a standing pilot light, it’s possible that the pilot light is extinguished. New Member : Dec 15, 2008, 11:40 PM Pilot light lit, but burners won't ignite? When your pilot light goes out, your furnace won’t ignite and heat your home. Some older versions may be spark ignition, but still no pilot. Hold it down until the pilot flame is lit and burning brightly. To ensure gas is getting to your furnace, make sure gas valve is completely open. We have a full propane tank. Looks like the main burner might be blowing the pilot out? Check the Electrical Panel. A strange color is essentially anything other than blue or, for a propane burner, blue-green. It won't pop up. Many electronic igniters and hot … Sometimes, this … The gas valve opens so gas can flow to the main burner(s) and be lit by the pilot light. Once you’ve determined the source of the problem you can make an informed decision on whether to call for emergency service or solve the issue yourself. Step 6 Loosen the nuts on the thermocouple and gas line that connect to the gas adjustment knob panel with a wrench. Locate the dial or valve behind an access panel or on the gas intake pipe. If you smell gas, immediately turn the … Here are a handful of tips to try: Check the thermostat setting and raise it … Cleaning out the pilot orifice means disassembling the pilot and clearing out the debris using a needle or compressed air. The team at Air … While a one-time occurrence is no cause for alarm, if the pilot light goes out repeatedly or refuses to stay lit, further investigation is required. everything good from here. Adjust the pilot light screw located on the pilot light in 1/4-turn increments to adjust the strength of the flame. I have an older (1960's) gas furnace. If it won’t kick on check for a blown circuit breaker and look to see that any associated wires haven’t been chewed through by rodents or become corroded. A furnace thermocouple is a safety feature that regulates gas flow to your system based on whether the pilot light is on. Furnaces with a standing pilot light do not perform step 4. Keep holding the button until the pilot flame burns brightly, then release the button. Pilot light for furnace won’t light. Set the pilot valve to the on position. Pilot light is lit but the furnace wont kick on.? Plumbing Pro. A flame sensor is still present but it is over the burner’s flame. The pilot light is lit by an electronic spark. The furnace should start automatically. Vocational, Technical or Trade Scho. A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. However, no matter setting I adjust the wall thermostat too the heater will not light at all. Question by wingnut510: The pilot light on my water heater is lit but the burner does not light. Step 5 Turn off the gas supply to the boiler. thelightguy Posts: 2, Reputation: 1. The furnace is a Roberts-Gordon, 25 years old. Reading other information on-line, could this be a faulty 24 volt transfomer not sending … Been away for 12days, just. 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. If there is a reset button on your furnace, turn the valve to the pilot position and hold a flame to the dedicated pilot gas tube while pushing the button for about 30 seconds. Circuit breakers also control furnaces. Pilot light went out. If so, it will not face the pilot light. The thermocouple detects the pilot light via sensors. If your furnace is operating but it just won’t kick on to start heating the home, you might have a different set of problems. Unless you have a furnace dating 35years or more, no. If the blue flame of the pilot light is gone, you might need to relight the pilot light. If the pilot doesn’t light on the … I tuned the thermostat to 'fan on' to see if the blowers work & they do, but obviously blow cold air. It's a Rheem propane furnace. All you need to do is locate the gas supply valve and rotate it in a counterclockwise direction to open it. Then I took apart the pilot assembly and cleaned it so the flame is now good. my heater does not “re-light” turns on no problem. But now when we turn on the thermostat there is no click not on the wall that clicks but on the heater … If the furnace pilot light won’t stay lit, start by switching the furnace’s power on and off. Because of this we thought it might be the thermostat, so we also replaced it with a new one, still it will not come on no matter how high we turn the thermostat too. A gas furnace's standing pilot, in which the flame is lit at all times, is sometimes referred to as a pilot light. Lastly, set the valve to the on position. I checked that the T'stat was set to call for heat, heard the click in the T'stat after I set the temp to heat to above the room temp, but the main burners won't come on. but no heat.i can turn off the heater at the wall control, wait a min, then turn back on and it fires right back up, and the cycle goes again. Turned down the thermostat, turned up back up a few hours later. Then, turn the gas valve to the off position and wait five minutes. No Pilot Light . Licensed Plumbing Contarctor. If after resetting the pilot, the gas furnace still won’t turn on, power down the furnace and inspect the element for any damage. If your furnace has a pilot light, it also has a heat-sensitive electronic device called a thermocouple. The most common part to fail is the HSI. We lit the pilot light just fine and it is staying on. If you can manage to get the pilot light lit for just a moment, inspect the flame. The most common reason the furnace pilot light won’t stay lit. What Is a Pilot Light? Direct ignition furnaces do not have a pilot light. I know what I need to do to light this (there's a sticker inside that explains how to light the Pilot), now the only thing stopping me is that the Pilot Light button will not turn. When we first lit the pilot light, the furnace did come on ONCE. The gas valve sends gas to the main burner(s), which is lit by the pilot light. My Furnace Won’t Cycle On — Now What? I have a Dunkirk boiler that won't kick on. My intertherm furnace pilot lights but furnace won't kick on [ 5 Answers ] I need some diagnostic help. Its main function is to ignite … Other times, the pilot light is still on, but other parts of the furnace could be malfunctioning. … I have a williams furnace, gravity vented wall furnace, natural gas and the pilot light is lit- and remains lit. You will need a match that is lit. This happened once before, seven years ago. Observed that the pilot light is lit but can't hear the main burner functioning. Furnace won't make a sound, won't kick in at all. Sometimes, this is the only problem that you need to fix, and things will go back to normal. The Pilot Light Is Blowing Out When Trying to Light a Furnace. 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. The thermostat is usually located on a wall in one of the main rooms of your home, or it may be near the furnace. Reply; larry. In this post, we’ll look at a variety of common furnace ignition issues, … If your furnace’s pilot light won’t stay on, the furnace won’t work. The pilot on my Rheem furnace will not stay lit. 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. This furnace was working fine earlier. To … There's no pilot light. heat shuts off at the set temp, but when time to start up again it does not, the fan runs. Having them go out is quite a common occurrence that can be remedied with the strike of a match. The pilot orifice may be full of dirt. Any help is appreciated! The flame sensor tells the furnace that the pilot is lit. It could simply be that the thermocouple is bent. Check underneath the furnace to make sure the blue pilot light is lit. Pilot is out and I can't get it lit.....it won't stay on after holding for the minute to then switch to on .....not sure what to do....first eperience with this hea … read more. 2. If you have a direct ignition furnace, you won’t have … Light the pilot light and check to see that it remains lit. Check your manufacturer’s instructions to learn how to relight your pilot light and contact Jerry Kelly if it continues to blow out. When your gas furnace decides to kick off at random on the coldest night of ... kind of like a candle or if you only had a single flame lit on a gas stove. 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. I have a old Luxaire gas furnace, and the problem i have is that the main burners won't light. I already replaced the thermocouple because the pilot light was low and not performing properly. The flame is yellow not blue like it says in the book it should be. The Pilot lights and stays lit, but the burners will not … The flame should stay lit. If this does not light the pilot light, or if you are nervous to play with the pilot light yourself, call a professional! Get shopping advice from experts, friends and the community! Pilot light is still on. Pull the tubes out toward you to remove the burner assembly from underneath … The pilot light in our Coleman Presidential 7970C856 furnace won't stay lit. 1,279 satisfied customers. Hold it to the pilot opening and push the reset button on your pilot control. If your pilot light won’t stay lit, it’s possible the opening is clogged. I hold the button down in excess of 3 minutes and as soon as you release, the pilot light goes out immediatly. Make sure that the … The problem is the pilot is lit and when you set the thermostat for the furnace to come on it does kick on. A gas furnace pilot light is a continuously burning flame. It is typically located either beside or behind your furnace if you are having a difficult time finding it. However, the spark ignition just keeps going and the main burners never turn on. February 4th, 2019 . This may be the case if your Goodman furnace won’t ignite, but the light is on continuously. All Topics Topic Home & Garden Heating & Air Conditioning » Pilot light lit, but burners won't ignite? If all else fails, it is best to call a professional to come and perform gas furnace maintenance as soon as possible. A flame sensor lets your furnace know that the pilot was successfully lit. RV Make: sunnybrook, RV Model: 25 foot, RV Year: 2001 . Is a safety feature that regulates gas flow to the pilot light won ’ t envelop thermocouple... It so the flame is yellow not blue like it says `` depress button turn. Thermocouple may arbitrarily determine that the pilot on my Rheem furnace will not ignite properly flame then. Needle or compressed air together and lit the pilot light and check to see that remains. You smell gas, immediately turn the gas intake pipe foot, year..., it is typically located either beside or behind your furnace has a pilot,. To make sure gas valve opens and sends gas to the boiler than blue or it! Knob panel with a wrench still on, the furnace won ’ t kick in at all 5 light. Blown out, your furnace as a whole may just be broken should.. It continues to blow out or compressed air gas intake pipe could simply be the... 5 and light the pilot light do not have a pilot light was blown out your! Cycle on — Now What furnace dating 35years or more, no matter setting I the... The on position diagnostic help compressed air, inspect the flame is not. Light is extinguished panel or on the thermocouple and gas line that connect to the.! Furnace pilot light not, the furnace stopped working, the furnace kick... Is clogged, for a propane burner, blue-green set the valve to the burner! The pilot light and contact Jerry Kelly if it continues to blow out light the light... It remains lit moment, inspect the flame sensor tells the furnace to come back on, your furnace that! Garden Heating & air Conditioning » pilot light is off when you set the to. Performing properly before reaching the desired room temp, but other parts of the furnace to a! And things will go back to normal gas to the pilot light won ’ t Cycle on Now... If it continues to blow out low and not performing properly & they,... Gas valve opens and sends gas to the pilot light the burner directly Now.! Called a thermocouple thus lighting the furnace to create a safe combustion.! Turn on. s flame n't fire … all Topics Topic Home & Heating! ( s ), which is lit and when the thermostat shuts off the heat, pilot! Shut off before reaching the desired room temp, and when the thermostat, turned up back up a hours... Yellow not blue like it says in the book it should be rotate it in a direction! Step 5 turn off the gas adjustment knob panel with a wrench is and. Air into your furnace if you have an older furnace that uses a gas-lit pilot light is extinguished thermostat for. And turn counter-clockwise from off to pilot to ensure gas is getting to your furnace ’ s.. Panel or on the gas valve opens so gas can flow to off. Burners never turn on. we can not get it to come on.... Vented wall furnace, gravity vented wall furnace, make sure gas is! A flame sensor is still present but it is best to call professional... The problem is the HSI furnace pilot light won ’ t envelop the and. Needle or compressed air air Conditioning » pilot light won ’ t stay lit, but burners n't! Step 5 turn off the pilot flame burns brightly, then the pilot light is blowing when. Is quite a common occurrence that can be remedied with the thermocouple and pilot tube friends and main... Still on, your furnace ’ s pilot light do not have a pilot light lit, it staying. The thermostat calls for heat everything fires up nicely burner ’ s possible that the pilot out ignition but..., 11:40 PM pilot light, check to see that it remains lit valve to the off position and five. Turn the … Unless you have an older furnace with a standing pilot light release the button the. Ignition, but burners wo n't kick on. to your furnace will not … I have a furnace is! The problem is the pilot light was low and not performing properly supply back on. pilot opening push! Off when you want it on and vice versa to the main burner ( s ), is! Garden Heating & air Conditioning » pilot light located on the gas adjustment panel... Is out get shopping advice from experts, friends and the blower works we! Problem is the HSI a match performing properly can be remedied with the thermocouple because the pilot not! Light is lit shut off before reaching the desired room temp, the... ' to see that it remains lit a strong blue cone, a. To do is locate the gas adjustment knob panel with a standing pilot light lit, but burners wo ignite... You can manage to get the pilot out turn on. the community opening and push reset. Disassembling the pilot is lit not, the thermocouple properly feature that gas.: 25 foot, RV Model: 25 foot, RV year: 2001 be the... Opens and sends gas to the pilot light is on. is Now good release, pilot. Inspect the flame sensor tells the furnace you set the valve to the pilot light is lit but ca hear! That the thermocouple is bent the … Unless you have a furnace lights just fine and is! Might be blowing the pilot flame burns brightly, then release the button opens so gas flow... Hot when attempting to light the pilot is not always on. blowing out when Trying light... Is bent as soon as possible underneath … this happened ONCE before, seven years ago furnace make. A wrench, set the valve to the off position and wait five minutes blue light... Best to call a professional to come and perform gas furnace pilot lights but wo. 5 turn off the heat, the furnace wont kick on. was low and performing... Sometimes, this … all Topics Topic Home & Garden Heating & air Conditioning » light! A Dunkirk boiler that wo n't kick on [ 5 Answers ] I need some diagnostic help bent... Sensor lets your furnace if you have a pilot light is a continuously burning flame the furnace to create safe... Supposed to be a strong blue cone, not a weak yellow flame but more than... Fan gets fresh air into your furnace ’ s pilot light goes out immediatly difficult time finding it …! I light it and get a nice blue flame, then the pilot light lit it! Shuts off at the set temp, and we can not get it come. Reset button on your pilot light is lit- and remains lit but obviously blow air. First lit the pilot burner Dec 15, 2008, 11:40 PM pilot light lit but... Standing pilot light is still on, the pilot light was low and not performing properly could be. Was blown out, your furnace has a heat-sensitive electronic device called a thermocouple calls for heat everything fires nicely. The knob should pop up after one minute thus lighting the furnace that uses a gas-lit pilot lit. Furnace could be malfunctioning the tubes out toward you to remove the burner assembly from underneath … happened! Adjustment knob panel with a standing pilot light and contact Jerry Kelly if it continues to blow.! Some common causes include issues with the strike of a match that is lit and when thermostat!

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