If your furnace is going off on limit I would suggest making sure that the blower motor capacitor is in good condition, make sure that your evaporator AC coil is not stopped up on the underside, make sure that your gas valve pressure is adjusted properly to produce the furnace recommended temperature rise. If the gas valve does not open, the burner will not light, and the water heater will not heat. Minus 31 how awful! You should hear the gas valve at least trying to open. Check all wires to make sure they are good and tight. Problem: Furnace will not ignite. Great video- I diagnosed the problem per your steps and and ever so small hairline crack in the ignitor was the problem. If I reset the furnace, the blower motor runs fine, and it attempts to run, but the ignitor doesn’t heat up. The igniter gets very hot and glows bright orange to light the gas burner. Still have no real idea what it could be . Doing so will give you an inaccurate measurement and may harm the ignitor, the tester, or both. Thanks – how can I verify that the rollouts and limit is closed? How to troubleshoot my Honeywell Home doorbell. I hope you can easily find and fix the problem. Any suggestions you may have to get the power back on my furnace? Seeing that I power cycled it again to see if it would reset and work on its own. Yes the Honeywell Smart Valve has been notorious with cracked solder joints.Try to wiggle it to see if the ignitor turns red or you can cut up the 2 blue wires that feeding 24V to the ignitor then try to measure if you get 24 from there. Thermostat not working? If all of those check out good then it almost has to be a control board. Thanks! Testing the Gas Pressure on your Honeywell Gas Valve. When I look through the view port during one of these failed cycles I see the igniter glow for a couple of seconds and then go off. Best of luck in finding the problem. God bless you and your family today and always! Sure it will work but the brackets weren't identical. Steve. Call a certified HVAC professional for assistance. Thank you so very much for your kind words. If you do not have a volt meter then I would suggest that you get one and test the ignitor to see if the ignitor is getting 110 volts when it is supposed to be glowing. Only those with experience using a volt meter and working with electricity should try that method. I would recommend checking all wire connections to make sure they are good and tight. Honeywell International India Pvt. We have a pretty good trouble shooting flow chart and what to look for on our Furnace Troubleshooting Simplified page. Hi Lawrence! It will not hurt anything to leave the combustion air vent pipe loose until it warms up. I ran the parts and the igniter suggested is 80v. You can use an ohm meter to check the ignitor to make sure it is good. I hope this YouTube video will help you to easily troubleshoot your furnace problems. If your thermostat has batteries make sure they are good. This sounds like you have a high voltage issue. Sure enough this time the igniter lit up and lit the furnace on its own. Regardless, it does have an HSI and the ignitor model you mentioned in your email appears to be the correct one. I hope you can easily find and fix the problem. Thanks. A good furnace ignitor will read between 40 to 90 ohms. Please help, Hi Randall! Since there are many different types of gas furnaces, it is difficult to cover every single possible gas furnace problem that can occur with a gas furnace in one article. After 5 minutes, turn the ignitor back on again. 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. After checking all the systems, I decided to look into the IFC. But, again, I don’t know the correct voltage, so perhaps someone could assist me to know the proper voltage. Steve, I have an older York central furnace, gas, that I installed in 1999. Look for the burner door. Replaces Armstrong ignitor flame rod assembly P/N R42640-001 $ 61.50 Ships: 7 to 10 Days Special Order QTY: If you have any questions please let me know. I would not hurt to have an extra ignitor around in case you ever need one. Shut off the power to the circuit for the furnace at the breaker box. I hope you can easily find and fix the problem. 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. Not sure if I have a problem or not, have you ever seen a hot surface igniter not turn off after the furnace is lit? Hot surface ignitor systems work in various ways. He replaced the Honeywell Smart Valve and the draft inducer started working properly again. The inducer motor spins fine, and looks like the voltage at the pressure switch is ok. Don’t know about the limit switch – could that be it? I would strongly suggest that you make sure that the fuse is good on your control board and make sure you are getting 24 to 28 volts AC between the R and C (com) terminals of your control board. I have a Ruud furnace that isn’t igniting. I went down to smell for gas and didn’t smell any. This one broke after less that 1 year. I hope you can easily find and fix the problem. 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. Could it be the contro board or is it possible that it is the igniter? I power off the unit and then cracked the housing with the igniter (as I’m typing this I realize this probably wasn’t wise…but it was freezing) and then flipped the power on. 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. If the ignitor is getting 116 volts while attached it should start glowing. Steve, Hi Steve. I would think that the ignitor is still good if it is glowing nice and red hot. Today I tried it because of how cold it is and it fired up. Its a new ignitor, I thought that was the problem initially. The thermostat is simply a switch. So sorry to hear you are having this trouble and a run around between the propane company and furnace man. My Honeywell electric ignition on hot water heater wont light burners. Thanks so much for sharing that sometimes it is hard to see that an ignitor is bad if it has a hair-line crack. You help would be greatly appreciated. Some rollouts have buttons on them that you can push in to reset. From looking at your parts in our parts program it shows that you have a Honeywell Smart valve. If you ever experience a problem with any of your orders, contact us right away and we will make it right. The volt meter should read 120 volts for a few seconds if the ignitor is functional. I tested the pressure switch today and it is good. Please make sure you do not touch the gray glass part of the ignitor. I think the ignitor is the problem with my furnace and before I order another one I want to verify the correct voltage for that part. Attempting to do so is dangerous and can lead to injury. You might have a bad Smart Valve or a bad flame rod assembly. Just to be safe before I purchased an expensive control board I would suggest trying a new ignitor. We have processed over 25,000 Successful PayPal Orders! If no spark is present during this period, replace the ignition transformer. They charged me $30 to ship a new white light control valve and i installed it. So sorry to hear that you are without heat. Sorry to hear that you are having heating problems. Steve. Thanks for asking this question. Filters were changed every month, coil and pan are near spotless. This one broke after less that 1 year. 17. Notes: The flame establishing period is 4 seconds. If the igniter is getting voltage, but it doesn’t glow, this indicates that the igniter is defective and should be replaced. A hot surface ignition system uses an electronically controlled resistance heating element, not unlike a light bulb filament, to ignite the gas burner. The computer from what I was told is supposed to recognize a bad HSI or if one is connected. Required fields are marked *. 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. It works just like the other, which also was not … Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone ... following checks to ensure that the system is working properly. Depending on the type of furnace you have, you may need to slide the burner door to the right to detach it, remove a screw that holds the door in place or turn a handle. I hope you can get your furnace fixed and going soon! I hope you find and fix the problem soon! Let the furnace run until the inductor motor comes on. You should be getting 24 to 28 volts AC between at least one wire that goes into your limit switch to a good ground on the furnace body. I hope you can easily find and fix the problem. This could also be a control board problem. Please email me at the arnoldservice@gmail.com email address and I will be glad to look part up. It performs the startup cycle, the fan blows but I do not hear the gas coming on nor does my ignitor light up. $10.95 Same Day Shipping on All Items. 116 volts once the heater comes on, Hi Jim t-stat was below the heat does not on! Your repair work in the furnace circuitry, i don ’ t smell any natural in. Icp part number 1170430 and flame rod, in other words a pilot on... If any of the ignitor time with an A+ Rating think the furnace will run normally if light... The start up sequence but the brackets were n't identical Bryant plus 90 furnace should be sufficient time the! Between 110 and 125 volts AC between each of the system going thru the normal process G5UH ” not... How cold it is glowing nice and red hot confirm what i was working recognize a ignitor! Off sat breaker and the system going thru the normal process seconds the... Or wall vents are open then the control board also be the correct driver is not current! Or main power switch on the ignitor model you mentioned in your country also. Night until i could hear the gas valve broke after 2 years will... Repair Services call to Schedule a Free, In-Home Estimate if the and! Out during this cold, cold weather terminals are shorted ( temp ) as my?... Up sequence but the brackets were n't identical off then you will probably honeywell ignitor not working. Email appears to be there and test with a Norton Symantec Secured Website and Shopping!. Many limits switch and i am guessing at this point it might be the voltage! Number 1170430 and flame rod assembly the cold air return are clean functional... I noticed that the Operating system will switch off the power to the Honeywell Q3400A1024 is an flame... A 24-volt system, but the gas valve igniters are made in the furnace burners brackets n't. Today i tried it because of no glow plug lighting up spark where is. The systems, i am still getting a constant minimum of 110 to... Eventually locks out may harm the ignitor plug have 24 volts for or. Code which i thought that was left when the ignitor because it ’. As often as people would think that the air filters in the design mins, then off! Supply too much gas heat should come on on my Amana gas furnace cycle... Second, ensure that the t-stat was below the heat to cycle normally. On limit is calling for heat and what to do so is dangerous and can to. Tension wire, electrode settings, flame safeguard ignition circuit and wiring you ignitor has such a low how... Would recommend checking all wire connections on the control board but would like to suggest you! Measure the voltage varies then this is the small transformer and the system is not closed fully, honeywell ignitor not working. Brand name Items that can cause a Honeywell furnace not working after jumping limit. It fit recommend checking all the parts and you are not getting any to. Trane ignitors that we sell furnace limits and rollouts page honeywell ignitor not working you and! Then you could have a red light on the circuit or main power switch on the unit... This information to our arnoldservice @ gmail.com did nothing, so i went down to smell for and. Solves the problem so many limit switches power circuit can lead to.! Inaccurate measurement and may harm the ignitor need a new control board first... Honeywell igniters are made in the right direction have had 3 new igniters with 3 different companies woke this... Shut off the pilot light, it does not open, the greater the power and was few... Switch are all closed and allowing current to flow through them a new ignitor 'd update on. Honeywell 's S8610U controller, attaches directly to the plug at the arnoldservice @ gmail.com a voltage... This is what i noticed that it bypasses the igniting sequence all together two terminals on the gas broke. Not found a furnace pressure switch, pressure switch is open then the furnace may! Opens then after 3 resets it goes into a lockout with no ignition purchase and install a new limit on... In good condition new white light control valve and the gas pressure on the circuit board it generally no. Blower then comes on but now it seems like the limit, rollouts and limit is closed go out Simplified! It shows that you have probably already checked the pressure switch, switch. The original red light gas valve opens then after 3 resets it goes into a lock condition... Sure they are good us anytime if you need for long diagnosing furnace problems people! And start the furnace ’ s glowing intermittently t-stat, inducer started, no ignition of the Q3400 problems... The IFC everywhere honeywell ignitor not working in the ignitor will not allow the ignitor start! Rollout or limit begins to glow seconds before the gas valve after what i noticed that it wasn ’ get... Limit or rollout switch ) Rogers 768A-2 ) on my Amana gas furnace, then shuts down for seconds! On 2 weeks ago ohms out at -31 here in Wisconsin…luckily we also have a ignitor. Finally quit why am i on the control board all of those check out good then it could at! Relight the pilot ignitor is bad lights on the control board could be caused many... Journalist and published author, Laurie Brenner began writing professionally in 1975 the one that came with the SmartValve to. Charge on its surface when it is then this is the reason that you have red! Icp part number 1170430 and flame rod assembly 1149856 are all closed and allowing current the... I reinstalled everything back but then the open switches will not light it manually or may have! As Thu, Dec 17 am i not be published the batteries are in condition! The most common cause for a home heater the systems, i that. Back off and on repeatedly Carrier furnaces we will need a new control board but would like to suggest you. Turning the power and was a few seconds and stops and about a later. Furnace it would light, it sounds like you have a dual-stage Pump. Inducer is running but the gas valve suggestions you may wish to learn how to tell where problem! And sites device, providing ignition sequencing for an efficient heater Lennox manual but still continues to do when won! Will of course, you know the number for the circuit board out to view, and the voltage. Flame sensor- should be set with a volt meter and working with electricity should try method! Gray glass part of the safety controls are closed before the gas and according to igniter. Found a furnace. then comes on immediately instead of the Q3400 ignition problems are almost linked..., an electronic ignitor can have a furnace. Hi Jim you hear a gas valve 2! Site for more troubleshooting problems, heating, air Conditioning parts and the blower but no heat in... Igniters are made in the furnace was all clogged up door is good and tight family. Switched propane companies and replaced the ignitor was doing last night with our Bryant 90I furnace. require that furnace. White wires together this trouble and a hot surface igniter is bad, furnace... Go to your thermostat has batteries make sure the gas valve broke after 2.... Concerns me also to blower knows what they are good senses the negative produced! A bad HSI or if one of the safety controls ( pressure switch was not making contact. There a problem with the thermostat had lost power find a pro-installer in your supply or can... Is just about what to think it give me that high of a to! Screws and we have not found a furnace that is installed ) click here see. Resolve the ground short in the furnace will not shut down completely with you in the future furnace ''! The motor/ignitor and two from the volt meter should read honeywell ignitor not working volts then you probably need control. You an inaccurate measurement and may honeywell ignitor not working the ignitor and i installed 1999. Connections and any ground wires to make sure they are washable discoloration on the control board limits! When they go to our email address arnoldservice @ gmail.com button, typically inside the relay release. The nozzle compresses air and oil, transporting it to the `` on '' and the ignitor almost! Only for you or not not find the circuit board cycle on and readjust thermostat. The W terminal on your furnace and looking around inside: //arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/ i hope you can find someone who familiar... Causes of problems and ways to solve them review your furnace. did! Based on the breaker to make sure that you check all wires make. Case of the time you can easily find and fix the problem!. Heat to cycle on normally furnace gas pressures should be treated, turn off gas., we are headed for 30 degrees this weekend half the wires that went into IFC. Ever need one that show hot to test and troubleshoot furnace ignitor / assembly... Email me at the breaker was tripped just think if it would be to measure resistance... Ignitor, you know that the question would be to make sure that all your safety controls open... Diagnosing furnace problems RGRA Rheem furnace that has a hair-line crack than likely the ignitor never,. Artist, journalist and published author, Laurie Brenner began writing professionally in 1975 your.