Rheem criterion 2 flame sensor

The inducer/exhaust fan should start. Check to see if it has 120 volts to it and manually spin it to see if it is stuck. Try gently tap the plastic relays on the circuit board with the plastic handle of a screwdriver. If the relay for the inducer fan is sticking it may start. Then you need a new board.

Quck answer To clean the flame sensor on Rheem heaters, follow these steps: 1. Turn off the power to the heater and wait for it to cool down. 2. Locate the flame sensor, which is usually a metal rod near the burner assembly. 3. Remove the sensor by unscrewing it from its bracket. 4. GentlyCRITERION ® II 80.0%–81.7% A.F.U.E. UPFLOW/ HORIZONTAL GAS FURNACES The Rheem® Criterion® II line of upflow/horizontal gas fur-naces are designed for utility rooms, closets, alcoves, or attics. Because of the Criterion’s low-profile 34 inch [864 mm] height, the upflow model can also be used to satisfy most applications that traditionally ...Step 3: Remove the Flame Sensor. Disconnect the wire by pulling it off the terminal. The wire has a spade connector, and these sometimes get stuck, so you may have to pull hard. Loosen the screw holding the sensor to the wall of the burner housing using a flat-head screwdriver. Put the screw in a safe place and then pull out the sensor.Quck answer To clean the flame sensor on Rheem heaters, follow these steps: 1. Turn off the power to the heater and wait for it to cool down. 2. Locate the flame sensor, which is usually a metal rod near the burner assembly. 3. Remove the sensor by unscrewing it from its bracket. 4. GentlyRheem criterion 2 gas furnace flame sensor · Discussion Starter · #1 · Jan 16, 2012 I have a Rheem Criterion II - during the heating cycle the power and the ok green lights are lit, the burners light for a couple seconds then go out. The yellow flame light never comes on.MENSI 2 Packs Flame Sensor Igniter Sensing Rod Fit Replacement of 62-24164-01 Model for Rheem Furnace and 232258 2-Prong Electrode Assembly, Fire Pit Spark with 31.5" High Temperature Cable Wire.Feb 21, 2024 · Most likely, either the electrical system providing your furnace’s power has shorted or the power switch has blown. Try resetting your furnace’s circuit breaker. If it has blown, you will need to replace it. Igniter. The furnace’s igniter might either be cracked or faulty. Check the part for cracks, if it is then replace the igniter.

This morning it started. Them criterion 2 Furnace cycles on and ignites for around 4-5 seconds then turns off. Replaced flame sensor, it did not appear bad and it still does not stay lit. 120v coming to board, 27v coming out of transformer. The orange flame LED never lights up at any point.Three or Four Blinks. Three LED blinks with a two-second pause indicates the limit switch is closed. A limit switch is a safety feature directly wired into the furnace; it stops a furnace from overheating if air isn't properly flowing through the heat exchanger. If the switch is closed, debris might be clogging the filter or the blower fan housing.Summary of Contents for Rheem rgph-10eamer. Page 1 Annual Fuel Utilization Efficiency - A variety of cooling coils and plenums designed to use with THIS MODEL 80.0% Rheem Criterion II gas furnaces are available as optional HIGH accessories. These furnaces can be installed in an upflow position or laid on either side in a horizontal position.Flame Sensor. IMPORTANT: Heating, ventilation, air conditioning or refrigeration parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life.I have a Rheem Criterion II gas furnace, that quit working. I checked it out, and found that the ignighter would come on, the gas would start, and then it would shut off. Figured it was the flame sensor. Before I could sand or replace it, it quit even doing that. I didn't get voltage off the transformer, so I replaced that, and the flame sensor.Lucid Motors is loading up its first electric vehicle with hardware — dozens of sensors, a driver monitoring system and an Ethernet-based architecture — for an advanced driver assi...If your furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but most of the time they can be cleaned and will work well after cleaning. Flame Sensor. IMPORTANT: Heating, ventilation, air conditioning or refrigeration parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life.

You should get a very low resistance, usually below 1.0 amps. To check the resistance when the sensor is heated, press the sensor’s tip (wire probe at the tip) against a 60-watt bulb or a test lamp. The bulb/lamp should be ON. If the sensor is functional, it will give you a higher reading between 2.0 and 10.0 ohms.Furnace Rheem CRITERION II Product Information Manual. 80.0-82.2% a.f.u.e. downflow gas furnaces; models with input rates from 50,000 to 150,000 btu/hr [15 to 44 kw] (8 pages) ... Flame sensor diagnostics. service dealer to …Attempting to install the incorrect part voids the return coverage. If you are not completely sure your order is correct please give us a call at 888-757-4774. Rheem 62-24164-01 - Direct Spark Ignitor w/ 35" Lead Wire, 62-24164-01- 62-24164-01 is an official OEM Direct Spark Ignitor w/ 35" Lead Wire for Rheem HVAC equipment.The inducer/exhaust fan should start. Check to see if it has 120 volts to it and manually spin it to see if it is stuck. Try gently tap the plastic relays on the circuit board with the plastic handle of a screwdriver. If the relay for the inducer fan is sticking it may start. Then you need a new board.

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Furnace not igniting or heating? This video provides step-by-step instructions for replacing the flame sensor on Rheem furnaces.We have 4 Rheem 10EBRJR manuals available for free PDF download: Installation Instructions Manual, Manual, Instruction Manual Rheem 10EBRJR Installation Instructions Manual (40 pages) Brand: Rheem | Category: Furnace | Size: 1.55 MB The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, it might fail to detect a flame. If the flame sensor does not detect a flame, the control board will shut off voltage to the gas valve resulting in the burners not staying lit. Sometimes, if the flame sensor is dirty, it will fail ... Flame Sensor Features. Length (Mounting Flange to Sensor Tip): 2-1/2" Length - Sensor Offset : 1-9/16" Angle - Sensor Offset (degrees): 90 Termination: 1/4" Male Quick Connect

The Rheem PROTECH Flame Rod with Gasket replaces the flame rod and gasket on your Rheem tankless water heater. The part is required when the flame rod is damaged or not functioning properly. This ensures …You can also view RGLH-10AMER parts diagrams and manuals, watch related videos or review common problems that may help answer your questions to get started on fixing your Furnace model. For additional assistance, please contact our customer service number at 1-800-269-2609, 24 hours a day, seven days a week or send us a message using the live ...Need to fix your Rheem Water Heater RTGH-84DVLN-2? Use our RTGH-84DVLN-2 Parts, diagrams, manuals, and videos to make your repair easy. En español. 1-800-269-2609 24/7. Your Account. ... Rheem Water Heater Flame Sensor. Genuine OEM Part # RTG20212BG | RC Item # 4931312 # RTG20212BG RC Item # 4931312. Rating (5) 5 …Flame Sensor. IMPORTANT: Heating, ventilation, air conditioning or refrigeration parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life.Rheem Criterion II furnace (1997): HSI glows, flame starts, then stops after 15 sec. Jump to Latest Follow 2K views 5 replies 2 participants last post by yuri Jan 29, 201845-25323-02 is an official OEM Flame Sensor Wire - 42 in. (1/4 in. Quick Connect to Male Molex Pin) for Rheem HVAC equipment.Dec 7, 2016 · The inducer/exhaust fan should start. Check to see if it has 120 volts to it and manually spin it to see if it is stuck. Try gently tap the plastic relays on the circuit board with the plastic handle of a screwdriver. If the relay for the inducer fan is sticking it may start. Then you need a new board. Need to fix your Rheem Water Heater RTGH-84DVLN-2? Use our RTGH-84DVLN-2 Parts, diagrams, manuals, and videos to make your repair easy. En español. 1-800-269-2609 24/7. Your Account. ... Rheem Water Heater Flame Sensor. Genuine OEM Part # RTG20212BG | RC Item # 4931312 # RTG20212BG RC Item # 4931312. Rating (5) 5 …Flame sensor diagnostics; fused protection (secondary), 3rd speed fan option for continuous fan. OPTIONAL EQUIPMENT. Side filter frame assembly. Return air cabinet …To start, I have a Rheem Criterion 2 gas furnace with a ceramic igniter. Okay, so last month my heater started acting up. Its flame would ignite, but the flame would go out from anywhere between 10-60 seconds. I asked a HVAC technician acquaintance of mine what I should do, and he said it may be the flame sensor. I replaced the flame sensor.Thanks, ***** ***** are in the 95%+ range that the printed circuit board is bad, and in the 2% range that the flame sensor rod is bad or the burners are not well grounded. ... I have a Rheem Criterion II plus 2 gas furnace with a Robertshaw thermostat (with 2 AA batteries): up/down switches, set button; programmable/manual button; heat, ...

View and Download Rheem CRITERION II product information manual online. 80.0-82.2% A.F.U.E. DOWNFLOW GAS FURNACES; Models with Input Rates from 50,000 to …

24 Oct 2018 ... Go to channel · Rheem Furnace Turns Off After 1 Minute. Flame Sensor "Fixed"! Tightwad TV•13K views · 2:31 · Go to channel · R...OK, not exactly sure I had the meter in the correct spot, but when I got the "click" post ignitor I measured the same .3 then suddenly for the first time today I hot flame and a reading of 22V. It promptly flamed-out and went to purge. The second cycle had no flame. HVAC Technician: BillyHvac.This Rheem Criterion II furnace was installed in 2001. I turned the gas off last year (in the spring) and didn't turn the power off to the furnace. When I turned to gas back on to the furnace this week and the furnace is not lighting. I have a video on Youtube that shows my furnace not lighting. The "power" light comes on and the "Ok" light ...Advertisement ­C­lusters are now being used on a smaller scale for sensors. For instance, a traditional pressure sensor contains a device that outputs a varying voltage depending o...Furnace Rheem CRITERION II PLUS 2 LXE RGPL- SERIES Manual 8 pages Two stage a.f.u.e. upflow/horizontal gas furnaces Furnace Rheem 05EAUER Installation Instructions Manual 40 pagesYou can also view RGLH-10AMER parts diagrams and manuals, watch related videos or review common problems that may help answer your questions to get started on fixing your Furnace model. For additional assistance, please contact our customer service number at 1-800-269-2609, 24 hours a day, seven days a week or send us a message using the live ...Premium Quality: Flame Sensor is made from durable high quality wear-resists metal and ceramics. Ensure long-lasting and high performance. Termination: 1/4” male quick connect, Angle - sensor offset: 90 degrees. Function: The furnace flame sensor is designed to detect the flame. A good replacement for Rheem 62-23543-01.

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45-25323-02 is an official OEM Flame Sensor Wire - 42 in. (1/4 in. Quick Connect to Male Molex Pin) for Rheem HVAC equipment.The oxygen sensor in your car or truck monitors the level of oxygen in your vehicle’s exhaust. The sensor is linked to the on-board computer, which adjusts the fuel mixture and eng...Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. ...Here are the most common reasons your Rheem furnace will only run for a few minutes - and the parts & instructions to fix the problem yourself. En español. 1-800-269-2609 24/7. Track Order. ... The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, it might fail to detect a flame. ...Feb 21, 2024 · Most likely, either the electrical system providing your furnace’s power has shorted or the power switch has blown. Try resetting your furnace’s circuit breaker. If it has blown, you will need to replace it. Igniter. The furnace’s igniter might either be cracked or faulty. Check the part for cracks, if it is then replace the igniter. The oxygen sensor in your car or truck monitors the level of oxygen in your vehicle’s exhaust. The sensor is linked to the on-board computer, which adjusts the fuel mixture and eng...Furnace Rheem CRITERION II Product Information Manual. 80.0-82.2% a.f.u.e. downflow gas furnaces; models with input rates from 50,000 to 150,000 btu/hr [15 to 44 kw] (8 pages) ... Flame sensor diagnostics. service dealer to …Feb 21, 2024 · Most likely, either the electrical system providing your furnace’s power has shorted or the power switch has blown. Try resetting your furnace’s circuit breaker. If it has blown, you will need to replace it. Igniter. The furnace’s igniter might either be cracked or faulty. Check the part for cracks, if it is then replace the igniter. 24 Oct 2018 ... Go to channel · Rheem Furnace Turns Off After 1 Minute. Flame Sensor "Fixed"! Tightwad TV•13K views · 2:31 · Go to channel · R...WARNING: Please do NOT attempt any procedures you see in this video without professional HVAC training or you are under the direct supervision of a licensed ...Comparing Rheem and Trane air conditioners? Find out which one is better for your needs! Get expert reviews, prices and more before you buy. Expert Advice On Improving Your Home Vi... ….

We have 4 Rheem 12EARJR manuals available for free PDF download: Installation Instructions Manual, Manual, Instruction Manual Rheem 12EARJR Installation Instructions Manual (40 pages) Brand: Rheem | Category: Furnace | Size: 1.55 MBCRITERION ® II. 80.0-82.2% A.F.U.E. . DOWNFLOW GAS FURNACES. The Rheem ® Criterion ® II line of downflow gas furnaces is designed for installation in closets, alcoves, utility rooms, or attics. The design is certified by CSA. Features Patented heat exchanger, constructed of both stainless and aluminized steel for the maximum in corrosion … Flame Sensor. IMPORTANT: Heating, ventilation, air conditioning or refrigeration parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, it might fail to detect a flame. If the flame sensor does not detect a flame, the control board will shut off voltage to the gas valve resulting in the burners not staying lit. Sometimes, if the flame sensor is dirty, it will fail ... Criterion rheem ii manualsRheem criterion ii plus 2 lxe rgpl- series furnace manual pdf view Rheem criterion ii manual installationFixing rheem criterion gas furnace flame sensor. Rheem wiring diagram thermostat furnace wire criterion where manuals manual ii user stack reab connect imgur collection ok starts inductionRheem criterion …Need to fix your Rheem Water Heater RTGH-84DVLN-2? Use our RTGH-84DVLN-2 Parts, diagrams, manuals, and videos to make your repair easy. En español. 1-800-269-2609 24/7. Your Account. ... Rheem Water Heater Flame Sensor. Genuine OEM Part # RTG20212BG | RC Item # 4931312 # RTG20212BG RC Item # 4931312. Rating (5) 5 …I own Rheem Criterion II gas furnace model NO: RGPH-12EARJR for about 8 years and never had any problems with heat. Lately, I am having this intermittent main burner flame lightening despite the rest of the system woks. Here is what happening: when my thermostat calls for heat (sometimes it could be even the same temperature …If flame sensor is dirty or has carbon build up, it will not sense the flame and therefore cut furnace off.It can be cleaned with steel wool or sandpaper. Customer: Ok. I will give it a try. Thanks. ... My Rheem criterion 2 (+2) (model #RGPK-10EAMER) furnace runs off of LP. When the furnace tries to fire, it lights the burners for 1 to 2 ...It’s part # 62-21744-01. But the current flame sensor (looks like a generic replacement) that is wired in but due to be replaced has two wires coming out of it. One connects to a red wire and one connects to a white/grey/yellowed wire. This seems inconsistent with the replacement part. Also most flame sensors seem to only have one …OEM Upgraded Replacement for Rheem Furnace Flame Sensor 62-23543-01 by Replacement for Rheem (Original Version) $5.99 $ 5. 99. Get it as soon as Tuesday, May 7. In Stock. Sold by JustEquipment and ships from Amazon Fulfillment. + 47-22861-01 - Rheem Furnace Replacement Limit Switch L350. Rheem criterion 2 flame sensor, Rheem 62-23543-06 - Flame Sensor Replacement, 62-23543-06- Flame Sensor We only ship within the United States. Your Zip: Enter a US zip code. HELP. MENU. CONTACT & SUPPORT. Live Chat Offline: Email Us. ... Rheem Flame Sensors. Flame Sensor Replacement, 62-23543-06. Brand: Rheem. SKU:, This item: Flame Sensor Fit for Rheem Furnace - Flame Sensor Igniter Sensing Rod Fit for Rheem & Ruud Gas Furnace Heater, Replaces 62-23543-01, 2 Pack $8.99 $ 8 . 99 Get it as soon as Friday, Mar 29, Flame Sensor. IMPORTANT: Heating, ventilation, air conditioning or refrigeration parts and accessories should only be installed by qualified technicians. Failure to understand and follow the manufacturer’s installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life. , I have a 15 year old Rheem LP gas furnace which fails to ignite 50% of the time. The furnace was firing nearly 100% of the time up until I did the "yearly" flame sensor and igniter (rods) cleaning wit … read more, The oxygen sensor in your car or truck monitors the level of oxygen in your vehicle’s exhaust. The sensor is linked to the on-board computer, which adjusts the fuel mixture and eng..., Rheem Criterion 2 sensor need. Jump to Latest Follow ... My flame sensor is bad. When i clean it the thing will work for a few weeks and fail again. The metal it connects to feels a little flimsy. I want to replace the whole flame sensor part. Where can I lookup/purchase this part?, --Locate the flame sensor rod (it should be a piece of metal that is in front of one of the burners--usually one far from the ignitor).--This is usually held in place with a single screw. Take it out and clean it with steel wool or fine sand paper.--Replace sensor rod and put everything back together in reverse. Voila!, Gas and Oil Home Heating Furnaces - Rheem Furnace: Replaced Flame Sensor, burners still go out 4-10 secs - Hello All! I have a Rheem Furnace model RGPH-07EAUER, serial # DF5D302 F1295 5487 Last week I noticed the house was getting pretty cool, and also noticed the heat wasn't coming on as often as it usually does. I, Based on many threads I have researched (all for Criterion II), the flame sensor is in front of left burner. Mine doesn't have it there.I have an older model. There is a rod the goes across both burners. But I …, Speak to our friendly customer service. 1-800-359-1334. Email Us. Purchase Rheem 62-23543-01 Flame Sensor. Rheem 62-23543-01 Flame Sensor SKU: 62-23543-01. Genuine Rheem Factory OEM Repair Part Read More. $7.96 / ea. In Stock Ships today if ordered within: 16 Hrs, 09 Mins, 19 Secs., You can also view RTGH-95DVLN-2 parts diagrams and manuals, watch related videos or review common problems that may help answer your questions to get started on fixing your Water Heater model. For additional assistance, please contact our customer service number at 1-800-269-2609, 24 hours a day, seven days a week or send us a message using the ... , Furnace Flame Sensor Rod 62-23543-01 Replacement for Rheem, Ruud, WeatherKing, Thermal Zone, DuroGuard Furnace Replacement Ignitors 62-2354301, 6223543-01, 622354301 4.6 out of 5 stars 204 1 offer from $9.47, Learn how to clean the flame sensor in your Rheem HVAC system step-by-step!Amazon Affiliate Link(s):0000 Steel Wool: https://amzn.to/3E2wJ0GFlat head Screwdr..., I have a Rheem Criterion II - during the heating cycle the power and the ok green lights are lit, the burners light for a couple seconds then go out. The yellow flame …, Rheem 62-23543-05 - Flame Sensor Replacement, 62-23543-05- Flame Sensor Fits Rheem Furnaces with model number: RGGD with Gas Code ER, FH, or FK RGTK with Gas Code GM, or GL RGJD with Gas Code FK Gas Code is also the first two digits of the serial number. Free shipping on orders over $99 Your Zip ..., Kit includes: flame rod/sensor, gasket and mounting hardware; For use on rheem advantage plus water heaters; Genuine OEM replacement kit; 1 year limited warranty; Made of durable ceramic and metal; Prepackaged for your convenience; Senses flame to ensure proper operation; Easy to install; Call 1-800-432-8373 to ensure this is the correct part ... , Ignitors & Sensors,Ignitors & Sensors. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless …, Summary of Contents for Rheem rgph-10eamer. Page 1 Annual Fuel Utilization Efficiency - A variety of cooling coils and plenums designed to use with THIS MODEL 80.0% Rheem Criterion II gas furnaces are available as optional HIGH accessories. These furnaces can be installed in an upflow position or laid on either side in a horizontal position. , Thermostats & Controls. Tools & Instruments. Water Heater Ball Valves. Water Heater Orifices. Water Heater Connectors & Kits. Water Heater Control Boards. Water Heater Drain Pans. Water Heater Drain Valves. Electrical., MENSI 2 Packs Flame Sensor Igniter Sensing Rod Fit Replacement of 62-24164-01 Model for Rheem Furnace and 232258 2-Prong Electrode Assembly, Fire Pit Spark with 31.5" High Temperature Cable Wire 4.1 out of 5 stars 20, Furnace Flame Sensor Rod 62-23543-01 Replacement for Rheem, Ruud, WeatherKing, Thermal Zone, DuroGuard Furnace Replacement Ignitors 62-2354301, 6223543-01, 622354301 4.6 out of 5 stars 218 1 offer from $9.47, This morning it started. Them criterion 2 Furnace cycles on and ignites for around 4-5 seconds then turns off. Replaced flame sensor, it did not appear bad and it still does not stay lit. 120v coming to board, 27v coming out of transformer. The orange flame LED never lights up at any point., My Rheem criterion II plus 2 gas furnace is only blowing cold air. It came on this morning as usual and was heating the house when after about two hours I noticed the house temperature was going down and the furnace was still on. The limit switch has continuity and I cleaned the flame sensor yesterday ... cleaned flame sensor and …, Furnace not igniting or heating? This video provides step-by-step instructions for replacing the flame sensor on Rheem furnaces., The criterion II uses flame rectification (conversion of an full wave AC to a half wave AC) to sense flame. The actual physics of the sensor and the burner plates form a diode. However, the actual shape as pointed out by hvac4u may be different depending on your furnace model so you need to get the extact replacement specified in the …, Gas and Oil Home Heating Furnaces - Rheem Criterion II-heat cycle works, then shuts down - Hi- I'm having a problem with my gas furnace and don't know where to start to find out what it might be. When the thermostat calls for heat, the draft inducer kicks on, the ignitor glows, the gas starts and burns for a short time ... --Locate the flame ..., Furnace Rheem CRITERION II Product Information Manual. 80.0-82.2% a.f.u.e. downflow gas furnaces; models with input rates from 50,000 to 150,000 btu/hr [15 to 44 kw] (8 pages) ... Optional Equipment RGPQ Series HEAT EXCHANGER TWO-SPEED DRAFT INDUCER MOTOR IN-SHOT BURNERS DIRECT SPARK IGNITOR REMOTE SENSOR …, 304. 138K views 9 years ago Rheem Furnace. Furnace not igniting or heating? This video provides step-by-step instructions for replacing the flame sensor on …, Flame Sensor. Part # 62-23543-08. Flame Sensor. SENSOR - FLAME. ... Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, …, rheem criterion ii gas furnance ignitor. Follow these steps, and you may be able to solve the Rheem Criterion II furnace problem yourself. You will need a volt meter to check the voltage. Unplug the igniter (molex plastic connector) and place one probe of each lead from the meter into the connector supplying voltage to the igniter. Turn power off., Heating & Cooling. Furnaces. With nearly 100 years of experience, Rheem ® has used the power of gas to fuel some great advancements in energy-efficient home heating, making a Rheem gas home furnace one of the smartest choices you can make. With our wide range of propane or natural gas furnace models available with a variety of advanced ..., i have a rheem gas furnace mod.#RGLH-07EAUER. the furnace ignites,stays on for about 5 minutes,then shuts off. the 2 green lites on the board stay on but the yellow lite marked flame goes out. i checked the grounds for continuity,they were good. i then cleaned the the flame sensor then restarted. in 5 minutes the same …, The inducer/exhaust fan should start. Check to see if it has 120 volts to it and manually spin it to see if it is stuck. Try gently tap the plastic relays on the circuit board with the plastic handle of a screwdriver. If the relay for the inducer fan is sticking it may start. Then you need a new board.