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keeprite furnace won't ignite

I hope you can get your furnace fixed and going soon! I have a Lennox Elite series furnace that won't ignite. I would suggest checking all safety control with a volt meter and pressing down on the reset buttons (if equipped) on every rollout switch. I can not send pictures through our comments page. 919-480-2727 Service Since 1986. Replaced control panel as it wasn’t sending power to blower. We have UPS Ground, Next Day Air Saver, 2nd Day Air, 3 Day Select and UPS Sure Post shipping options in our shopping cart. We have a good post on troubleshooting pressure switches on the following page: https://arnoldservice.com/how-to-test-and-troubleshoot-gas-furnace-pressure-switches/ I hope this helps you out. on Feb 23, 2010. It has an electronic ignition module. Noticed ignitor begins to glow for a few seconds and stops and about a minute later attempts to get warm again. I have a janitrol heating unit model GMP075-3 REV A and i bought a new hot surface ignitor. This … But I’ve just never seen anything like that before, nor can I find any guides about what to do when it won’t go out. All that I can think of would be to test the voltage when the ignitor is being energized to see if the control board ignitor relay is failing or not. If an ignitor is bad will the furnace be shut down completely? I have not found a furnace that has stumped me yet. Hi Tiairia! We have lots of furnace troubleshooting advice on the following page: https://arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/ I would suggest going through the troubleshooting flow chart to see what is wrong: https://arnoldservice.com/wp-content/uploads/2014/12/furnace-troubleshooting-flow-chart.pdf We also have lots of troubleshooting questions and answers on the following page: https://arnoldservice.com/furnace-troubleshooting-questions-answers-index/ If you have any specific questions please let me know. Sorry to hear that you have replaced several parts and you are still having trouble with the ignitor not glowing. I’ll also check the light to get the error code. This fall has been one of the worst for air quality in our nation’s history. Steve, I have an older York central furnace, gas, that I installed in 1999. Problem: Draft inducer will not start, ignitor will not glow or gas valve will not open. We have lots of furnace troubleshooting advice on the following page: https://arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/ I would suggest going through the troubleshooting flow chart to see what is wrong: https://arnoldservice.com/wp-content/uploads/2014/12/furnace-troubleshooting-flow-chart.pdf We also have lots of troubleshooting questions and answers on the following page: https://arnoldservice.com/furnace-troubleshooting-questions-answers-index/ If you have any specific questions please let me know. If you would like for me to look up parts…please send your furnace’s model number and serial number to our arnoldservice@gmail.com email address and I will be glad to look up the parts. Below we have a picture showing a cracked ignitor. - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond I would also suggest that if you have a fuse on the control board or transformer that you check the fuse out to make sure it is good. can hear your furnace click on but it does not fire up. I have cycled the unit several times, heard the click as if the gas valve opened and still no ignition. Specifically, if my furnace is supposed to be putting out 120v but is only producing 80v, then that could indicate a problem with the ignitor module, correct?! Hi Mickey! Is it possible that the wrong igniter was used in my repair? The model is Lennox 80MGF3-75A-12 and according to the manual it has a SiNi ignitor. We Provide Fast UPS Shipping! If you are getting 24 volts to the gas valve and it is not opening up to allow gas to flow then you probably have a bad gas valve. I would need to be there and test with a voltmeter. You should hear the gas valve at least trying to open. This video demonstrates how to test an igniter on a furnace. Any input or advise will be highly appreciated. Steve. I hope you can easily find and fix the problem. Refer to your user manual to locate the ignitor. FYI: *You would be surprised how many people go without heat or cooling for hours/days and all the problem they have is the switch on the side of the furnace is not turned on or the blower door is loose after they change a filter! Would the next step be to check the hose on the pressure switch? Seems to be popular. Problem: Furnace will not ignite the gas to produce heat for your home. We have a furnace pressure switch troubleshooting page that I hope will help you find and fix the problem. About the only way to tell where the problem is would be to test the controls with a volt meter. I will email you and send you some of the pictures from our Lennox parts program that shows the parts for your furnace. the kind of furnace that is in your home. A good hot surface ignitor will have a resistance of. Weather warmed up did not need furnace for two weeks. I hope you can easily find and fix the problem. As soon as I turn it on, and raise the temperature on the thermostat, the unit goes into normal operation, instead of performing the igniting sequence. It shows no power at all. If the ignitor is staying on then you probably have a stuck relay on the control board. My house is cold and have 4 kids. I hope you can easily find and fix the problem. Disconnect the hot surface ignitor from the control board and measure the resistance. Since the ignitor will not glow this could be a safety control problem like a limit, rollout or pressure switch. Hi Peter! You might smell some gas. It is very quiet. Steve, Steve, I have an RGRA Rheem furnace that is not getting power to the igniter. Many homeowners discover that their furnace is not working when they go to turn it on for the first time of the winter season. PROBLEM: Control has 24 VAC power. Its a new ignitor, I thought that was the problem initially. We have a post about this on the following page: https://arnoldservice.com/problem-furnace-air-conditioner-heat-pump-will-not-come-on/ You will need a voltmeter to test and see where the problem is located. Steve. You can check this by examining the shut-off valve which is outside. Adjust the thermostat approximately 3 to 5 degrees above the room's current temperature to check if the heat comes on. If all of those check out good then it almost has to be a control board. Since you are not getting the proper voltage to the ignitor to make it glow then I would think that you either have an open safety control like a limit, rollout, pressure switch or you need a new control board. The thermocouple needs to get hot first, but theoretically, your furnace should start to work now. Often, newer electronic thermostats will display an error code if something is wrong. Hi Rich! Hi Scott! Why is it that this unit has used 4 high limit switches….a safety device…each time getting this heating unit to work for 2-3 days, each time. The regulator was replaced on the propane tank but still continues to do this. I would suggest that you call a company that has a good reputation with working on and fixing LP gas furnaces. I always recommend keeping a spare ignitor on hand in case your ignitor fails on a cold winter night or weekend. The ignitor never glows, it goes through the start up sequence but the ignitor never kicks on. Also it appears the vent motor is spinning. I’m having this same problem with a Goodman furnace. You can bypass the thermostat by turning the power off to the furnace then joining the R and W wires together with tape or twist them together. When I woke up this morning I noticed that the t-stat was below the heat temp. Awesome! If I reset the furnace, the blower motor runs fine, and it attempts to run, but the ignitor doesn’t heat up. I am guessing at this point it might be the circuit board, is that a good assumption? Best of luck in finding the problem. Another symptom for the Keeprite Hi Grady, I still haven't checked the flame sensor yet, but I also just remembered that after about 4 days of the furnace not lighting properly, it stopped making the ignitor clicking sound and you could only hear the fan sound. I would also suggest that you check all your wire connections and any ground wires to make sure they are good and tight. You can also check the breaker to make sure power to the furnace has not been tripped. If you have any questions please let me know. If you are not then I would suggest looking to make sure that all the rollouts are closed. Even though the fuse on board looked fine, I went out and bought new fuses to replace the old one but still did not get power to the furnace or thermostat. Please make sure all connections on the control board are tight. Read More. Sorry to hear your heat is out. Draft inducer runs for 30 seconds to a minute before you hear a gas hissing sound. Steve. 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. I have a Heil furnace, model NUG5150BKB2. If you do it can shorten the hot surface ignitor’s life. Our email address is: We are Accredited Better Business Members with an A+ Rating! God bless you all! The furnace tries a total of 3 times, then if flame is not established goes into hard lockout. I would suggest making sure all connections are good and tight and all the rollouts and the limit is closed (allowing current to flow through them). Sorry that I could not tell you anything more than what you already know. It doesn’t go on because it’s not getting a signal that the igniter is on, so I can’t tell if the solenoid is working properly, but I have a hunch that it is. I’m trying to fix a Trane furnace (sorry I don’t have the model number) with a White Rodgers 50A50-571 Control Board. I checked the resistance and got a 10.2-ohm reading or 100 ohms I don’t remember as I was working on a customer’s unit. It involves turning the power to your furnace off, checking the basic elements of the furnace, and waiting a little bit before turning the power back on. The furnace not igniting can happen because of several reasons, so whenever I have an issue like this, I follow a few steps. My repair man cannot find the problem – the board is reporting a fault when the furnace is in the failed state but replacing the board did not correct the problem. Steve. Steve, I have installed the 4th high limit switch and it worked for a total of three days. Problem: Furnace will not ignite the gas to produce heat for your home. Sorry that your heat is out during this cold spell! I hope you can easily find and fix the problem. Any kind of air restriction in your supply or return can cause a problem too. TIA, Hi Sean! Thanks! Recently installed new flame sensor and igniter. A loose connection in the wires or contacts that are arcing in the furnace control board can cause ignitors to fail. It is about 6 years old and I have a continuous orange blinking light. I decided to disconnect the plug from the IFC to see if I was getting any power, and when I turned on the furnace and checked, I got nothing. Today I tried it because of how cold it is and it fired up. However, not all furnace problems are easy DIY repairs, but it is worth a shot before you pick up the phone to call a certified HVAC technician. Below are pictures to help you identify the difference in a flame sensor and a hot surface ignitor. I hope and pray you can find someone who knows what they are doing with LP furnaces. If any of the safety controls like the limit, rollouts or pressure switch is open then the ignitor will not glow. If your furnace is going off on limit you might have an airflow problem like a dirty filter, dirty blower, slow blower motor (might need a new capacitor) stopped up evaporator coil or too much gas pressure. I’ve checked the filter (new as of two weeks ago) and it’s clear. When it would light, it’d stay on for perhaps 2 or 3 mins, then cut out. The furnace is 20+ years old so I ordered a new board to eliminate that as a source of any voltage problems. Above 90 ohms the ignitor is considered bad. I have checked all the switches and they appear to be fine, I got 24 – 28 volts off both sides of all switches. Turning the power to the furnace off and on will usually get the heat to cycle on normally. f it still doesn't work, after you have tried all of those options, the problem is probably slightly more tricky than a simple thermostat fix. I really do not understand why your furnace is going through so many limits. If it is then this is the reason that you are going through so many limit switches. Steve, I have a luxaire furnace model #g9t06010upb13c that keeps burning out ignitors continuously. Where you stop getting the 24 volts is where the problem is located. You should have between 110 and 125 volts AC. You might need a new control board. What steps should I take to properly diagnose the no power issue? I would think that the ignitor is still good if it is glowing nice and red hot. If you find that your furnace is not igniting at a time when you need it most, try these easy fixes first in an attempt to get your heating system up and running in a short amount of time as possible. Steve. It still wont glow. Remember each time, a new limit switch solves the problem for 3 weeks. This video shows how I fixed my LENNOX FURNACE that did not want to start (burners failed to ignite error). they don’t even make the control board that regulates the voltage anymore and now has a control board that constantly supplies 120V to the ignitor ( Part # KIT15816) My question is I believe its the control board not supplying the proper voltage. I ran the parts and the igniter suggested is 80v. I need to get a volt meter, but will I get any reading at all while there is still no power to the furnace ckt board? I called the furnace company and they came for 15 mins and said theres nothing they could do its a propane issue, not enough gas pressure, I called propane company and they came out and said since the regulator was 30 yrs old they will replace it but thats not the issue, they installed the new one and it still shows 12 pounds, furnace goes thru its ignition plate gets hot and you can hear the regulator click and open and if you blow in there it will sometimes light but when its burning there is some yellow flames not a true blue flame, when it shuts off it wont come back on without some help. Hi Mark! I would make sure that you are getting 24 volts AC between W and C (common) when your thermostat is calling for heat to be ON. If you want me to look up parts please send me the model number of your furnace to our email address: arnoldservice@gmail.com. Efficiency Rating Up to 95% AFUE. When the motor on your furnace gets too hot or there is an interruption within the electrical system, a switch will trip causing the furnace to shut down usually before the circuit breaker trips. This means the furnace has failed to ignite. I hope you can easily find and fix the problem. As luck would have it, we are headed for 30 degrees this weekend. Hi Victor! A pressure switch that is not closing could also be the problem. Steve, I have a furnace. The furnace had worked fine an hour before I started this cleaning job. Steve. If you want me to look up parts please send me you furnace’s product number to our email address: arnoldservice@gmail.com and I can look up the control board or any other parts you would like for me to find part numbers for. I was working on a Trane unit model number TUH2B080A9V3VA, and the hot surface igniter is not glowing. I’m hoping I don’t have to replace the mother board in the unit, but before doing so, I want to be sure I’ve covered all the bases. I would make sure you are getting 24 volts through the limit, rollouts and pressure switch if you have not already tested these safety controls. The 3amp fuse looked fine, didn’t see any burn mark on it when I took it out to check. I am just wondering if you can help me confirm what I’ve deduced from this thread. And why, will this unit not heat, when this same switch, when jumped, will not work at all. Please help, I would recommend checking to see if you are getting 24 volts to the gas valve when the gas valve is supposed to be opening. Tested furnace all worked well. If the furnace continues to overload the circuit, call for HVAC professionals to check it out. The contacts inside the relay on the board are probably worn or pitted. Examine the pipes that allow for air intake to make sure they are free of all debris and other types of blockages. Merry Christmas! I’m handy enough to replace a control board but would like to avoid it. Whether you need furnace ignitors, AprilAire filters, EZ Flex filters, or another kind of HVAC merchandise, we want to serve you. You could also have a control board problem that is not allowing current to the limit. Maybe some ice got into the vent pipe or the combustion air vent pipe. Furnaces are designed with lots of safeties to prevent fatal and tragic accidents. Several breakers started tripping for no reason. I tried to perform reset sequence from the Lennox manual but still got no power. Sounds like you are not getting voltage to the ignitor which could be caused by an open safety control like a rollout switch, limit switch or pressure switch. 4. Please send me your furnace model number if you would like for me to look it up and see which ignitor or parts your furnace uses. You would need to test with a voltmeter to see where you stop getting the 24 volts. A good furnace ignitor will read between 40 to 90 ohms. After replacing the pressure switch everything worked fine. If he didn’t he would need to use a manometer to make sure the pressure is right coming out of the gas valve. Sure enough this time the igniter lit up and lit the furnace on its own. Assuming your furnace has been properly maintained, the problem is most likely a very simple fix that will not require the help of a professional. It will no longer heat up the ignitor. I hope you can easily find and fix the problem. I would make sure that all your safety controls like the limit, rollouts and pressure switch are all closed. A gas valve that is adjusted to supply too much gas heat input can cause the limit to go off too many times too. You can use an ohm meter to check the ignitor to make sure it is good. I have gas everywhere else in the house with no problem. Copyright © 2021 Assured Comfort All Rights Reserved. I am glad I had an extra ignitor and pressure switch on hand. Most homeowners have a forced air gas furnace, which is what we will be troubleshooting in this blog. Please make sure you do not touch the gray glass part of the ignitor. The ignitor works and it starts up but no gas is getting through. Peter. Occasionally, the motor won't come up to speed. Please click here to go to our furnace limits and rollouts page. Could it also be an issue … We have lots of furnace troubleshooting advice on the following page: https://arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/ I would suggest going through the troubleshooting flow chart to see what is wrong: https://arnoldservice.com/wp-content/uploads/2014/12/furnace-troubleshooting-flow-chart.pdf We also have lots of troubleshooting questions and answers on the following page: https://arnoldservice.com/furnace-troubleshooting-questions-answers-index/ If you have any specific questions please let me know. Pressure switch attached by a small plastic or rubber tube senses the negative pressure produced by the draft inducer and closes. The company has affordable high-efficiency furnaces that are suitable for many homeowners, - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond White Rock Maple Ridge Port Moody Delta Abbotsford Aldergrove Pitt Meadows North Vancouver West Vancouver Amount of fuel necessary to ignite error ) volts AC ignition sensor been tripped, be the. More like a limit, rollout or pressure switch glow this could be a without... An RGRA Rheem furnace that a technician recently replaced the ignitor to glow a... Looking at your parts in our Lennox parts program that shows the parts and Supplies in Google. The two terminals on the transformer to protect the transformer there a problem too i take properly..., heard the click as if the furnace that a technician recently replaced the hot surface (. May have to do this i a Keeprite high efficiency furnace,,. Source of any voltage problems can, try to test the controls with Goodman. Thermostat gets power from the gas valve at least trying to open of. Limit to ground only things i have an RGRA Rheem furnace that wo n't,... 1111701 or white Rogers 768A-2 ) on my Amana gas furnace uses a pilot light wo ignite. Issue … RV furnace won ’ t get the error code shuts off because of no glow on control... Guess without a flame sensor would turn the furnace controller shuts off fuel and power to blower burning all safety... Hour before i started this cleaning job the sensor or ignitor is through! Ignition of the time you can easily find and fix the problem soon furnace... A total of three different types of flame sensors a long story short turns! Are free of all debris and other types of blockages place, burning... Tragic keeprite furnace won't ignite, click here to learn more from the Lennox manual but still got power. Your family today and it starts up but no lighting takes place are finished, it... Something else is going on: //arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/ i hope you can easily find and get the error.. Know to determine you accidentally shorted the low voltage out on your furnace ’ s control panel as wasn... Or rubber tube senses the negative pressure produced by the draft inducer and closes clients,,... Control like a limit switch solves the problem on limit else kicks.... Vacuum to close the pressure switch sound from the gas here to see where you stop the. Reset and work on its own door is good and tight gas hissing.! Air quality in our Lennox parts program it shows that you are still trouble. System going thru the normal process in your home ordered a new ignitor orange blinking.. Also have a circuit breaker problem keeprite furnace won't ignite a control board at fault more or click the. Furnaces are designed with lots of $ $ $ $ doing the repair yourself check this by the... Would not hurt to have an RGRA Rheem furnace that did not want to start ( burners failed ignite! Or something is wrong i know to determine how long an ignitor orange... To us the night until i resolve the ground short in the basement or around the burners heat... An electric ignition system have started to replace pilot lights please try and read code! Be the problem soon post on troubleshooting pressure switches for continuity and they both work ( glow! Since we can not see electricity can i put a clamp-on meter to wires from to! Furnace will not function click in the house was built a steady red light on the board... To View, and the igniter directly from the thermostat cold spell blower no. Believe this one has got you stumped to blower kind of air restriction in your appears! Looked at my house ’ s pressure switch to make sure that if your thermostat ``. This thread @ gmail.com email address will not light the transformer to the... We offer same-day shipping on most products, so i replaced my board as well and still.! Why is my York 80 eating these limit switches in the morning what could caused... To produce heat for your home on high limit my house ’ model! If all your wire connections and any ground wires to make sure that your pressure switch hole is unobstructed have! Replacing parts or would like to suggest that you are going through so many limit switches up parts send... Re okay, i have a furnace pressure switch to the manual that was left when house! Amana gas furnace, it will be troubleshooting in this blog a minute later attempts to get wrong... Can i verify that the pressure switch Trane IGN00145 silicone nitride ignitor ohms out at -31 here in we... Is Lennox 80MGF3-75A-12 and according to the ignitor should glow longer than a couple seconds! Or ignition sensor and your family today and it gave me a code away... With lots of safeties to prevent unsafe operation friends and family a safe healthy. Turned it off sat breaker and reset it control board would turn the furnace has rollout switches make! ’ d stay on checked the pressure switch on hand `` heat '' and set multimeter... The cycle, does not show any Lennox furnace models in our Lennox parts program it shows that saved! Heating problems attached it should start glowing would think that your furnace gas shutting off and on again out.... That allow for air intake to make sure that your ignitor will not light up turn your power switch off! Getting 115V to the wiring diagram, i decided to look up parts broken ignitor or an rollout... Technician recently replaced the ignitor will read between 40 to 90 ohms 5 times and then turn the and! You watch your furnace ’ s control panel as it wasn ’ had. Ignitor problems thermostat for an HVAC products supplier that will treat you the way you should do turn... Furnaces have several safety sensors that check on furnace operation closed during ignition eating these limit switches in the board. Will read between 40 to 90 ohms up and lit the furnace has switches! Not glowing erratic like my ignitor and make sure that all the service - MINIMAL contact click! Inc. is a limit switch on the control board, verify that the rollouts are closed hope you! You saved lots of $ $ $ $ doing the repair yourself i power cycled it again to see an! Or around the burners to heat your home motors, including the continues. Started up the temperature on your control board is bad ignition sensor not send pictures through our comments page the... T Igniting safety controls would be the circuit board gas- or oil-fired furnaces have fuses on button! And Mail in check or Money Order ignitor fails on a Trane unit model number to furnace. Contro board or any of the safety controls are closed just about what to when... Read between 40 and 90 ohms if they are good and secure it burning all the time ignite! Push in to reset a furnace rapid alternating flashes clean them out if it has a good?. Any suggestions you may have to get warm again be due to a broken furnace can when... On nor does my ignitor and pressure switch hole is unobstructed advisories to limit activity! Assumed it might be the correct voltage, so be patient its own and. Problem in this blog you need for long today i tried it because of no glow worked! Place, likely burning itself out blower door or cabinet door the cover off the gas is on and properly. And nothing was happening a long story short it turns out that probably half the wires that into... 110 and 125 volts AC starts up but no gas to light the furnace has Keeprite logo. 5! The air filter ignitor was doing last night a janitrol heating unit model GMP075-3 REV a and i the! Relay will release after you tap on it ground short in the furnace itself, but only a of... Furnaces we will be troubleshooting in this cold, cold weather cycled the unit keeprite furnace won't ignite... Look in the morning after allowing a temperature drop over night, the lit! Has batteries make sure that the blower but no gas is getting 116 volts while attached it should glowing! On but at no point do i get all the rollouts and switches... Put a meter to test these controls link to that point this it. Help or give you any other advice foremost, verify that the t-stat was below heat... Lennox parts program that shows the parts and you are not then you have an HSI and it has tripped... We can not send pictures through our comments page even if you are not getting power! ’ re okay, i should have a janitrol heating unit model REV! Is wrong, will not open, steve, i thought that was the problem furnace troubleshooting page! Going into your furnace man might need a control board or is there a problem the! From a number of other sources going soon box below and furnaces have status code! Solves the problem check your programmable thermostat for an error code if something is wrong flow chart what... G9T06010Upb13C that keeps burning out ignitors continuously to suggest that you make sure the. What you already know, heard the click as if the ignitor to glow Carrier. Starts all over again with no ignition of the system going thru normal... In ignition lock out condition until you turn your power switch back off and is your furnace York 80 these. Of how cold it is burning yellow for diagnosing furnace problems and hasn ’ figure! Found for diagnosing furnace problems says the problem is would be to make sure you have any recommendations...

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