If all else fails, it is best to call a professional to come and perform gas furnace maintenance as soon as possible. The pilot light is supposed to be a strong blue cone, not a weak yellow flame. Looks like the main burner might be blowing the pilot out? A weaker flame won’t envelop the thermocouple properly. It won't pop up. Set the pilot valve to the on position. But now when we turn on the thermostat there is no click not on the wall that clicks but on the heater … I have a old Luxaire gas furnace, and the problem i have is that the main burners won't light. The problem is the pilot is lit and when you set the thermostat for the furnace to come on it does kick on. 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. 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. A gas furnace's standing pilot, in which the flame is lit at all times, is sometimes referred to as a pilot light. Reading other information on-line, could this be a faulty 24 volt transfomer not sending … My Furnace Won’t Cycle On — Now What? I have a Dunkirk boiler that won't kick on. We have a full propane tank. Keep holding the button until the pilot flame burns brightly, then release the button. If you’re not … A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa. Call Air Experts to Repair Your Furnace’s Pilot Light in Raleigh, NC. If after resetting the pilot, the gas furnace still won’t turn on, power down the furnace and inspect the element for any damage. Turned down the thermostat, turned up back up a few hours later. If your furnace’s pilot light won’t stay on, the furnace won’t work. The standing pilot light is burning. That way, the furnace won’t kick in while you’re trying to turn off the pilot light. I already replaced the thermocouple because the pilot light was low and not performing properly. The Pilot Light Is Blowing Out When Trying to Light a Furnace. It is an electronic pilot. If the furnace pilot light won’t stay lit, start by switching the furnace’s power on and off. The floor furnace itself is very … They have HSIs (hot surface ignitors). The gas valve sends gas to the main burner(s), which is lit by the pilot light. Observed that the pilot light is lit but can't hear the main burner functioning. I have a williams furnace, gravity vented wall furnace, natural gas and the pilot light is lit- and remains lit. A furnace thermocouple is a safety feature that regulates gas flow to your system based on whether the pilot light is on. 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 … Replaced thermostat, and still nothing. They skip steps 3, 4 and 5 and light the burner directly. Question by wingnut510: The pilot light on my water heater is lit but the burner does not light. Step 3: Turn your furnace back on. If so, it will not face the pilot light. All you need to do is locate the gas supply valve and rotate it in a counterclockwise direction to open it. Check underneath the furnace to make sure the blue pilot light is lit. 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. You will need a match that is lit. To … Anyways, the ignition will kick in, and the pilot lights just fine. There's no pilot light. 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. Make sure that the … Pilot light for furnace won’t light. Pilot light is lit but the furnace wont kick on.? Reply; larry. Then it shut off before reaching the desired room temp, and we can not get it to come back on. I tuned the thermostat to 'fan on' to see if the blowers work & they do, but obviously blow cold air. The most common reason the furnace pilot light won’t stay lit. Check the Electrical Panel. Been away for 12days, just. Many electronic igniters and hot … Having them go out is quite a common occurrence that can be remedied with the strike of a match. 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. All Topics Topic Home & Garden Heating & Air Conditioning » Pilot light lit, but burners won't ignite? If this does not light the pilot light, or if you are nervous to play with the pilot light yourself, call a professional! The flame sensor tells the furnace that the pilot is lit. 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. This happened once before, seven years ago. Some common causes include issues with the thermocouple and pilot tube. A new burner plate (last year) and the blower works. I have an older (1960's) gas furnace. Or, it could be that your furnace as a whole may just be broken. Hold it to the pilot opening and push the reset button on your pilot control. Then, turn the gas valve to the off position and wait five minutes. everything good from here. This fan gets fresh air into your furnace to create a safe combustion chamber. My intertherm furnace pilot lights but furnace won't kick on [ 5 Answers ] I need some diagnostic help. Lastly, set the valve to the on position. The flame is yellow not blue like it says in the book it should be. First, confirm that the light is out. Put everything back together and lit the pilot light. The furnace stopped working, the pilot light is lite, but the burners won't fire. In this post, we’ll look at a variety of common furnace ignition issues, … Plumbing Pro. The draft inducer fan kicks on. 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. Sometimes, this is the only problem that you need to fix, and things will go back to normal. I light it and get a nice blue flame, and when the thermostat calls for heat everything fires up nicely. Pull the tubes out toward you to remove the burner assembly from underneath … The most common part to fail is the HSI. If the pilot doesn’t light on the … 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. It could simply be that the thermocouple is bent. Hold it down until the pilot flame is lit and burning brightly. Pilot light went out. Other times, the pilot light is still on, but other parts of the furnace could be malfunctioning. Bad Thermocouple. The pilot light in our Coleman Presidential 7970C856 furnace won't stay lit. Step 5 Turn off the gas supply to the boiler. Here are a handful of tips to try: Check the thermostat setting and raise it … February 4th, 2019 . Sometimes, this … The gas valve opens so gas can flow to the main burner(s) and be lit by the pilot light. Adjust the pilot light screw located on the pilot light in 1/4-turn increments to adjust the strength of the flame. The last bit of troubleshooting to … The furnace should start automatically. Licensed Plumbing Contarctor. The flame is yellow not blue like it says in the book it should be. the ac no … This furnace was working fine earlier. However, the spark ignition just keeps going and the main burners never turn on. Circuit breakers also control furnaces. Furnaces with a standing pilot light do not perform step 4. What part should we replace? No Pilot Light . Insufficient Gas Supply . The flame should stay lit. The pilot on my Rheem furnace will not stay lit. Step 6 Loosen the nuts on the thermocouple and gas line that connect to the gas adjustment knob panel with a wrench. It says "depress button and turn counter-clockwise from OFF to PILOT. A gas furnace pilot light is a continuously burning flame. Unless I am mistaken, this furnace does not have a flame sensor, so I'm at a loss for what could be the problem. The pilot light is lit by an electronic spark. If you have an older furnace with a standing pilot light, it’s possible that the pilot light is extinguished. Cleaning out the pilot orifice means disassembling the pilot and clearing out the debris using a needle or compressed air. Light the pilot light and check to see that it remains lit. It is typically located either beside or behind your furnace if you are having a difficult time finding it. However, no matter setting I adjust the wall thermostat too the heater will not light at all. If you have an older furnace that uses a gas-lit pilot light, check to ensure that the flame is burning. Ihave a Bosh water wizard 10P . Check your manufacturer’s instructions to learn how to relight your pilot light and contact Jerry Kelly if it continues to blow out. If you can manage to get the pilot light lit for just a moment, inspect the flame. It's a Rheem propane furnace. Any help is appreciated! A flame sensor lets your furnace know that the pilot was successfully lit. 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