If the heater sparks but doesn't light, the gas cylinder supplying the unit may be empty or the gas may be shut off. Show More. Answered in 4 hours by: 1/22/2012. 477. Sign up for our newsletter! 9 Ways to Keep Your Dog Active Inside During the Winter. The igniter sparks and I confirmed that the main and service gas valves are ON. 0:00. A bad thermocouple will shut off gas to both the pilot and the burner so the pilot light won’t stay lit. Share this conversation. This soots up the sparking wire and stops the electric from being able to jump and produce the ignition spark. Thank you If you notice any smell of gas as you have turned on the patio, don’t waste time. HVAC Technician: Jerry M., HVAC Technician replied 8 years ago. When you light the burner, the igniter produces a characteristic clicking or ticking sound, which stops when the flame appears. Category: HVAC. Pilot lights used to be a common component of natural gas or propane appliances, but they have fallen out of favor for several reasons. FUUUUUUuuuuu. Does it spark to light a pilot, or spark directly to light the burner? We can light the logs with a lighter but not with the pilot light. Here is a diagram showing the pilot start buttons: The procedure for lighting is: Push the Gas valve operating button-press the Ignition button and hold for 1/2 minute. This normally take a few minutes and then the pilot will light. If your pilot light won’t stay lit, your appliance isn’t going to function properly. An operational gas oven lights within a few seconds of the ignition being pressed. View Entire Discussion (0 Comments) More posts from the HVAC community . Gas fireplace won’t stay lit, but the pilot light does. best. if you have gas logs it should be located in the same area as the logs . With the gas on, push in and hold the pilot valve while igniting the pilot light. share. 0:00. How to Test Your Water Heater Element. When a thermocouple fails, the pilot light won't stay lighted. Category: HVAC. Play. Pilot light sparks but won’t stay lit. Gas Fireplace Pilot Won't Light. Install it yesterday and pilot lights, when I go to crank the system to on and crank the temp, the pilot goes out Viewed 533 times 0. If you're sure the unit has gas, clean the aperture of the gas valve with a needle. save. Either way, read on to find out how to check. Dec. 1, 2015 9:05 a.m. PT. Verify the pilot remains on when you release the manual button. If this line is kinked or bent so that gas can’t flow, the pilot light won’t stay lit, and the burner won’t kick on. The spark generator is the electronic module which provides the power to create the spark at your electrodes, when the generator is working fine then your electrodes will spark and “click” the flame into life.. I just tried to start it but noticed that there is no gas reaching the pilot so no flame, so no fire. Or, if you have an independent ignition system, it may be the igniter for that burner. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Read Next. If you have a malfunctioning thermocouple, it can shut OFF the pilot light even when it is supposed to be ON. Sign Up For Our Newsletter Complete DIY projects like a pro! Pilot on water heater won’t light. Alleyne says to look for and clear out any debris between the igniter and thermocouple. This is with a 20 pound tank and 6 foot hose. I'm not sure how the pilot light can reach the first hole in the pipe since it seems too far away. Replacing it is a job for a certified gas technician. A Spark Ignition is akin to an electronic gas stove top. A collection of water on the valve can rust, collect dust, and corrode, limiting the flow of gas. Ask Question Asked 1 year ago. You might be amazed to find out that the most straightforward fix for this is to light your pilot. Gas Grill Won T Light My Pulse Igniter Ignition Is Not Working No. no comments yet. A burned out or broken thermocouple should be replaced. hide. Satisfied … 100% Upvoted. Settings. it again and the pilot worked. If the pilot won't stay lit, the problem is usually related to the thermocouple, a heat-sensitive electrode that signals the gas valve to stay open when the pilot is on. My gas fireplace pilot won’t light but I can hear the gas when I press in to ignite, Majestic MBUC36 and I’m not sure - Answered by a verified HVAC Technician . A faulty thermocouple or malfunction of the gas valve could be the culprit, but the problem may be as simple as a draft coming from a crack in the wall or under the door. Jerry M., HVAC Technician. This is another relatively small piece of your fireplace that converts heat to electricity, ultimately opening up the gas valve when you turn on the fireplace. When your turn on a gas burner on a stove, you don’t have a pilot burning, you have a sparker (tick-tick-tick) that lights one side of the burner, and then the burner orifices quickly ignites, all around the burner. Show Less. Numerous issues, ranging from simple fixes to complex parts repairs, can cause the igniter to keep ticking after the flame appears or to tick continually without igniting a flame. You can finally put those matches away. If it sparks to light say one of those single barrel burners, the barrel may have a rust hole in it, and the gas is not all coming out where it should be. When it isn’t working properly, it won’t sense the heat from the pilot flame and thus refuses to open the valve to the burners. Pilot Light Color. replaced ignitor, new one just the same. Atwood water heater won't light Atwood water heater won't light. Step 2: Under the mounting bracket at the thermocouple tube, unscrew the bracket nut that holds the tube in place. The ignition clicks as sparks are released at a rate of 3 to 5 sparks per second. The cure is to pull out the electrode/barrel-type burner asembly as a unit and inspect (if you have this type.). Ask Your Own HVAC Question . To replace a thermocouple: Step 1: Unscrew the copper lead and the connection nut inside the threaded connection to the gas line. 0 comments. Although a blocked gas line is one reason why the pilot light on a Rheem water heater won't light or stay lit, there are other reasons as well--some easier to correct than others. Note that most of the older and economy gas water heaters are equipped with the pilot, while newer, advanced models utilize piezoelectric sparks or a … report. If the connections are secure and you’ve plugged the oven in and tested it, and still, the burner won’t light, it could be that the igniter needs replacing completely. The pilot light works fine; however, when turned on the gas flows through the pipes in the fireplace but won't light. If the pilot light remains lit, but the gas fireplace doesn’t, it likely indicates an issue with your thermopile. The igniter clicks and sparks, but won't light, unless lit manually with a match near by. bosch 125fx water heater sparks but won't light. This model does not actually have a “pilot light,” but rather a direct spark ignition (DSI) that ignites the flame. If it is flexible and visibly bent or kinked in one area, turn off the gas valve, wait 5-10 minutes for the gas to disperse, then try to carefully straighten it out. If the pilot light won’t stay lit, the thermopile may have weakened over time. Have a gas fireplace built into my house which was new two years ago. I have a 5 year old built-in natural gas fireplace. Any suggestions? This new generation of gas pool heaters is a whole new ball game. To try and fix this problem on your own, just take a look at the gas line. Btw, my ignitor on vent free heat does spark so I'm thinking a gas water heater would have the same type. We use cookies to give you the best possible experience on our website. Log in or sign up to leave a comment Log In Sign Up. The thermopile translates heat from the pilot light to electricity that opens the gas valve so the gas logs can light. 4 5 out of 5 stars 55. Older burners can also deteriorate due to age. Chances are that the pilot light valve or burner may have got blocked by a tiny piece of carbon black / soot and won't light. The other three burners work fine. Gas hot water heaters work the same way. It has electronic spark ignition and a wall thermostat. Constant burning can weaken metal housing and cause it to crumble and block gas. Active 1 year ago. When the temperature get down to the specified low, the gas valve opens and LP or liquid propane flows through an orifice to the burner assembly. Once the pilot is lit, hold the pilot valve in for 60 seconds. How to Adjust Your Water Heater’s Temperature. Sort by. Be the first to share what you think! Fullscreen. If your ignition switch works, but not all of your burners light, you most likely have a clog on the unlit burner. Pilot lights this new generation of gas pool heaters is a job a. T light, you most likely have a 5 year old built-in natural gas fireplace doesn ’ stay... Area as the logs try it a match near by and fix this problem on your own, just a! Keep your Dog Active inside During the Winter natural gas fireplace doesn ’ t time... Located inside fireplaces on one side close to the gas valve so the gas.. One side close to the gas logs it should be replaced heat from the HVAC community threaded! 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