amana furnace hot surface ignitor

The flash code interpretation should be located on the furnace blower door or somewhere on the furnace. I hope you can easily find and fix the problem soon. I hope you can easily find and fix the problem. Steve. Thanks! It does this periodically. Thermostat has 24 volts in and out. This no-light condition occurred 3 times (2 retries) during the call for heat before locking out. I would suggest that you look at the label on your furnace or the owner’s manual and see if the furnace has any dip switches that you can set to cut the run time down. It lights up like a glow plug every time the burner needs to light, so it cycles hot-cold thousands of times. It can do this periodically or 3 times in a weekend. So yes curious to see what board you show for it as a replacement as the unit is in ok shape except for this issue and winter is a coming. ), Hi Davis! The furnace has run only a couple days this Fall before failing. PayPal, Secure Credit Card, Amazon Payments, and Mail in Check or Money Order. We sell brand new OEM parts for most manufacturers such as Carrier, Bryant, Payne, Lennox, Armstrong Aire, Ducane, Trane, American Standard, Heil, Tempstar, Nordyne, Goodman, Rheem, Ruud, York, Coleman, Modine, Reznor, Armstrong Pumps, Bell and Gossett pumps, Weil McLain, Lochinvar, McDonnell Miller, Hoffman Specialties, Manitowoc, Scottsman and we strive to make sure you get the correct part for your application. Sorry that I can not be much help. I have tried to jumper the wires off the pressure switch and had the same results. Arnold’s Service Company, Inc. is a family-owned, Christian business that always treats customers with consideration and respect. If the ignitor does not glow at all then I would suggest checking to make sure all safety controls are closed like the limit switch, roll out switches and pressure switch. The picture below is pretty small, especially if you do not have any zooming capabilities with your computer. I even replaced the pressure switch and got the same results. The sequence of operation is slightly out of order. Tried two different ST9120U boards, could not get it to work. I will test the items you recommended and check all connections to ensure they are tight and that the ground is also doing its job. Sorry, but that is all that I can think of. Upon installing it worked when they left yesterday, but at some point in the night it stopped heating again and blew cold air all night. Filter Results . Hello, have baseboard gas heat broiler, the pump went and was changed, ever since the heat will not kick on unless I bump thermostat up to 75, and when it does kick on it works really well, and need to shut it off after about half hour, becomes way too hot in house. The furnace will lock out for one hour and then restart. Air Conditioning and Heat Pump Troubleshooting Simplified, Air Conditioning & Heat Pump troubleshooting questions with answers index, Furnace troubleshooting questions with answers index, Gas & Electric Furnace Troubleshooting Simplified, https://arnoldservice.com/problem-why-does-my-furnace-rollout-switch-have-to-be-reset-so-often-why-do-rollouts-have-different-temperature-differences/, https://arnoldservice.com/how-to-test-and-troubleshoot-gas-furnace-pressure-switches/, https://arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/, https://arnoldservice.com/wp-content/uploads/2014/12/furnace-troubleshooting-flow-chart.pdf, https://arnoldservice.com/furnace-troubleshooting-questions-answers-index/, https://arnoldservice.com/problem-furnace-will-not-ignite-ignitor-will-not-glow/, https://arnoldservice.com/why-is-my-new-heating-and-air-conditioning-system-not-heating-and-cooling-my-house-properly/, https://arnoldservice.com/problem-your-furnace-main-burner-ignites-the-main-burner-stays-on-for-8-to-10-seconds-then-shuts-right-back-off/, https://www.youtube.com/watch?reload=9&v=hJqRfjDE4d0, https://www.youtube.com/watch?reload=9&v=clud3BBiQV8, https://arnoldservice.com/problem-furnace-comes-doesnt-run-long-shuts-off-will-work-thermostat-turned-way/, https://arnoldservice.com/problem-your-fan-on-your-furnace-runs-all-the-time-and-will-not-shut-off/, https://arnoldservice.com/problem-i-purchased-a-flame-sensor-from-you-for-my-goodman-furnace-the-new-flame-sensor-did-not-fix-the-problem-my-furnace-still-lights-for-7-to-10-seconds-and-then-the-gas-goes-out-what-could-be/, https://arnoldservice.com/product-category/fan-blower-controls/honeywell-fan-and-limit-controls/, American Standard Trane Condenser Fan Motors, ICP Heil Tempstar Whirlpool Flame Sensors, Trane American Standard Furnace Draft Inducers, Trane American Standard Pressure Switches, Managed by Wooassist - Woocommerce Support. I have had a tech try to fix for the last two weeks and each time they try a new part and it works for different lengths of time, then the problem comes back. Take off the furnace door, and locate the igniter. The first things that a control board checks for in the ignition sequence is to check and make sure the draft inducer is running and the pressure switch is closed. Sometimes a molex connector will be burnt or loose and cause the furnace not to work right. The flame sensor was cleaned by the furnace employee. Make sure the hole where the pressure switch connects is open. What do I need to do to fix that? Our warehouse is full of genuine Trane replacement parts to get your Trane air conditioner, air handler, furnace, or heat pump back on track. 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. What else should I check? I have seen furnace doors blown off from delayed ignition. Lennox GH19 propane furnace. I’ve ohmed every wire throughout the system to make sure there are no breaks or shorts. Steve. My furnace does the opposite, it ignites no prblm, aftr it ignites the flame runs 3 or 4 secs an shuts off an the cycle strts over again, it will do this 4ever. Hi Alicia! We have a really good furnace pressure switch troubleshooting page with two good YouTube videos on the following page: https://arnoldservice.com/how-to-test-and-troubleshoot-gas-furnace-pressure-switches/ It is not advised to suck on a pressure switch because it can damage the pressure switch. The first thing that I would check would be the thermostat and I would suggest testing with a voltmeter set to volts AC. I would suggest that you check your limit to see if the furnace is going off on limit, then cooling down, then coming back on. Since you said that your wife noticed that the furnace continued to blow cold air after the thermostat was satisfied…this is a sign that the furnace may have gone off on high limit. I hope you can easily find and fix the problem. I hope you have a great day and weekend! This can be dangerous in doing this because if adjusted too low it can cause delayed ignition which would cause a slight explosion. I hope you can easily find and fix the problem. Our purpose is to provide Original Equipment Manufacturer parts for the repair and maintenance upkeep of furnaces, air conditioners, ventilation systems and pumps to the general public as well as contractors and commercial building maintenance staff. If not then you have a bad pressure switch or a problem that is not allowing the pressure switch to close like a partially stopped up vent or heat exchanger. Thank you for being such a great resource for this community. Next tech brought a new Honeywell S8610U ignition control and a new Honeywell ST9120U universal board to replace the ST9120B 1005 board. Oh, and I religiously change the filter every month and even put another new one in after only two weeks of service which didn’t help the problem. I hope you can easily find and fix the problem. We have a flame sensor troubleshooting post of the following page: https://arnoldservice.com/problem-your-furnace-main-burner-ignites-the-main-burner-stays-on-for-8-to-10-seconds-then-shuts-right-back-off/ The Youtube video near the bottom of the page is good for troubleshooting flame sensor problems. Thank you so very much for your blessings! Contact us anytime if you have questions, need assistance or would like for us to look up parts. I’ve replaced the igniter, the pressure switch (with the exact OEM model switch), the flame sensor, and the temperature limit switch (all OEM exact parts). My furnace runs for 5 min. I hope you have a great day! Not sure what the problem might be. Make sure you are getting a constant 24 to 28 volts between the W and C (common) terminals on your control board. Steve, All my room in my 28×72 double wide are blowing but the last room is hot why is that, Hi Chance! Please advise, I am sorry, but I do not know for sure what the problem with your furnace could be because I do not know how the installers hooked up the thermostat on your furnace. I have a train XL 80 furnace that is 23 years old, everything works fine except the power vent pipe seems excessively hot. Turn the power back on to the furnace and turn the heat up so the draft inducer starts. I hope you have a great day! Steve. I’ve checked that the correct voltage is flowing through the board controls – including the fact that the pressure switch circuit starts on zero volts and within 2 seconds of the induction fan coming on goes to 26 volts and stays at that voltage for about 2 minutes until the 2 red lights flash. : furnace troubleshooting flow chart If you have any questions please email us anytime. 7 RED FLASHES: This fault code indicates that the flame could not be established. If there was a cracked burner would it not be getting enough vacuum to operate properly? I would suggest making sure all wire connections are tight for a start. If this happened I hope your control board has a fuse to protect the low voltage components. Thank you so very much for your kind words! Steve, Hi Arnold , I got York furnace in the attic and goes out on auxiliary limit switch after it ran for couple hours . We Provide Fast UPS Shipping! Too hot could be a cracked burner, but the blower and the Hi/low vacuum switches work perfectly. I am getting 27.8 volts into the gas control valve, but for whatever reason, I don’t ever get 24 volts to or from the pressure switch. You would test on terminals marked “Heat” and one of the white neutral connections. The main blower will then come on, followed by the ignitor, then gas. I checked all four flame roll-out switches to see if they were tripped and they were not. Steve. The pressure switch has to open after each heating cycle. I would also suggest that you make sure the blower motor capacitor is in good condition. Sorry that it took me so long to respond. I hope that you can easily find and fix the problem. If your furnace is going off on limit then you might have a dirty filter, blower wheel or a stopped up evaporator coil. You might have a tech check to make sure the gas pressure isn’t too high. Thank you so very much for all your kind words and for asking this question. If you have batteries in your thermostat make sure the batteries are good. Glenn, Hi Glenn! FYI The burners are a beautiful blue with no yellow when lit. I called an HVAC serviceman out but he found the same issue and said the control board needs to be replaced. My worry is that one day this will happen after I’ve left for work. The code seemed to be show red flash when it fails. So now I believe I fried the mother board. Maybe a duct has come apart or your blower is not strong enough for your home. I hope you can find and fix the problem soon! Hi Judy! The out-of-order cycle is new. Each of these brands share common part numbers. Gas furnaces are one of the most popular, effective, and cost efficient ways to heat your home during the winter months. $29.90 ... Flame Sensor Igniter Sensing Rod for Goodman Janitrol Amana York Furnace, Replacement for the Part# 0130F00010 B1172606 B11726 … I would suggest making sure the blower motor capacitor is in good shape. I would suggest that you check with a volt meter to see if the limit is opening up or if the pressure switch is opening up as the flash code suggests. High limit switch? The thermostat or another control could be causing this problem. Hi Moh! I have a York Coleman with a 364810 VARIDIGM Control Board (SCD-1097). We are Accredited Better Business Members with an A+ Rating! I would suggest testing with a volt meter set to “volts AC” between the R (red) and C (com) connections on your control board. Does this indicate both pressure switches are bad? We have a post about this problem where I try to explain on the following page: https://arnoldservice.com/why-is-my-new-heating-and-air-conditioning-system-not-heating-and-cooling-my-house-properly/ I hope that you can find and fix the problem soon! Hi Steve! Regardless of where you live through … Make sure all connections are tight and not burnt. Does this mean that the gas valve is good, and there is another problem? Most furnace have dip switches on the control board that will allow you to adjust the time the furnace stays on after the gas shuts off. If you have a fan control where you can adjust it, then try to adjust the control so the fan will run longer to get the heat out of the heat exchanger. Hi Gail! Could that be the problem? In other words, the new pump could be throwing the heat anticipation/anticipator off on the thermostat. Also, I am so far into this with cost to repair and it is still not working. I’m guessing that the only thing that could be wrong is the control board. Please make sure you follow the wiring diagram on the motor label. Hi Steve! No flame. You would need to see if the draft inducer is getting 120 volts AC when the inducer turns off. Most of the time a new digital thermostat will fix this problem. I have a Goodman furnace that turns on then after 40-50 seconds turns off for a second or two, then turn back on and stays on till set temperature is reached with no issues. Low gas pressure, faulty gas valve, faulty hot surface ignitor or burner problem may cause this. You might want to take a 1/16″ drill bit and make sure the hole in the draft inducer is open. Steve. Steve. Then it tries to start up and shuts off, tries again 2 more times and shuts off each time. We have one of the Best in Website Security with a Norton Symantec Secured Website and Shopping Cart! If you are getting real hot air out of your registers then you might think about adjusting the gas pressure down a bit or placing your furnace blower motor on a higher speed. This is part of the high efficiency. Blower runs for approx 10 seconds, no glow at ignitor, then shuts down. It just blows on high, no matter what speed you put it on. We discuss this on the following page: https://arnoldservice.com/how-to-test-and-troubleshoot-gas-furnace-pressure-switches/ Most of the time on a two stage furnace like you have the 1st stage pressure switch closes first, but sometimes the draft inducer builds up to high speed (high heat), both pressure switches close, until the flame ignites and then kicks back to low stage. When it does work it lights-fires and completes a cycle. Sometimes I just turn the switch off, wait a few, turn it back on and it will fire. The ignitor will then fire up and the heat will come on. Another thing to look at would be any connections from the pressure switch to the control board. I hope you can easily find and fix the problem soon! During the start and restart processes I hear a bunch of clicking from the control board relays. On a call for heat, the board displays the correct 2 green flashes. More than likely if you have a down-flow furnace either you have a blower motor that is going off before getting all the heat out of the heat exchanger or you have some kind of restriction in the blower motor or heat exchanger that will not allow the heat to be expelled out by the blower. Yes, if the gas valve is not getting 24 volts then you probably have a control board problem or an open safety control that is not letting the gas valve get the voltage to open. I checked the incoming and outgoing flue and did remove a VERY old filter that was sucked into the furnace at some point but was stuck before hindering the blower squilcage.. I have an older carrier gas furnace. Please help. The control board determines the number and length of the heating cycles and determines whether the furnace needs to be in low or high heat. If you have 120 volts coming out of the control board to the ignitor with the ignitor plugged in, then you must have a bad ignitor because it should be glowing with the voltage applied. I would suggest making sure all safety controls are closed like the pressure switch, limit and rollout switches. If you want me to look up parts please send me your furnace’s model number to our email address: arnoldservice@gmail.com Let me know if you have any questions. If you want me to send you a complete parts list for your furnace please email me at arnoldservice@gmail.com and I will be glad to try and help. PFS802 In-Stock. If replacing the flame sensor, and checking all wire connections to make sure they are good and tight does not work then you might need a new control board to fix the problem. Thanks! Initially it was a ground/polarity fault (9 flashes) but that seems to have gone away for now and been replaced with this pressure switch error code. Steve, Your email address will not be published. High Efficiency furnaces run long times so they do not waste any heat in the heat exchanger. I enjoyed reading this. Steve. Fuse ok at the control board. The puzzling part was the Honeywell universal replacement board didnt seem to be sending out a measureable 24v to the gas valve? If I apply vacuum to either switch, I hear a clicking sounds, but I get no continuity. The inductor motor runs, the pressure switch closes right away until the cycle stops – as it should – and stays closed, but the pressure switch phase fails and the board displays two red flashes indicating the pressure switch is stuck closed.

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