So thank you so much! I had constant problems with my furnace's flame dying out to the point I knew the gas man's first name and as your awesome hubs states it was dirty. I feel it is way to hot in there. Funace kicks ln and runs for minute then stops. A Defective Flame Sensor. If you have ruled out a problem with the igniter and flame sensor, it could be that the draft inducer monitor needs to … Thanks for the advice. It's more likely the dusty, perhaps "linty" room if there's a laundry there and often, it's the gas itself that's leaving the residue. Once you've cleaned the sensor, simply reconnect its wire (if you've taken it off), remount the sensor on the burner assembly using the 1/4" screw, replace the door(s) on the unit, and turn the power back on. Can’t find the sensor flame in my furnace. Carefully remove the sensor. Step 1 - Locate the Furnace Flame Sensor. Woke up to cold house. TANK SHIELD AN HIE TANK, CLICK ANYWHERE IN THIS DOCUMENT TO RETURN TO HEATING BOILER & FURNACE AGE DETERMINATION GUIDES AT is a product line of oil furnaces, and is owned by International Comfort How to determine the date of production/manufacture or age of an YORK® furnace or other manufactured YORK® HVAC, oil, and coal. It cannot be used in mobile or stationary plant machinery. It's awesome! It seems to me like the flame sensor is bad, but why would it work for some time - and then doesn't? Open the top using your screwdriver. While it is blowing hot, it will respond to the thermostay, but after the flame shuts off, the thermostat doesn't control anything. Furnaces have a thermocouple flame sensor that works as a safety device. I decided to try looking up my code situation and remedies for it. Nothing charred is normal. Found this article. Then I would check the board. 2. Limit switch and pressure switch and circuit board would be my suspects. All I can say really is don't do anything you're not comfortable with in removing the sensor. How do I fix this problem. FLAME SENSOR PROBE COMPRESSOR CONTACTOR ELECTRONIC AIR CLEANER HUMIDIFIER INDUCER CIRCU-LATOR BLOWER 50A65-843 24 VAC 120 VAC 24 VAC CLASS II TRANSFORMER HOT (LINE) NEUTRAL (LINE) TH TR Refer to the furnace wiring diagram for proper connection of the wires. A flame sensor is designed to regulate the flow of gas from a gas valve, much like a thermocouple. Richard K - A Google search will reveal alternatives that may help. It's not a professional duct cleaning but in your case, you could start with the furnace and perhaps determine from there if you want to go further or need a professional duct cleaning service. If cleaning your flame sensor did not work, it’s possible that the sensor is broken and that the furnace is operating as it should. This model doesn’t seem to be set up that way and I cant figure out how to remove without taking apart everything. I've "pinned" your article to my survival board since you saved my bacon and my cash! If I can do it - anyone can. Gas and Oil Home Heating Furnaces - Heil furnace - cant find flame sensor - hello, My Dad has an older electronic ignition Heil furnace that has a problem with the burners cycling on and off. When operating normally, the flame sensor detects flames, and turns off the gas valve when there isn’t any. nice job on this information...very thorough...i am a home remodeler by trade and agree that this is good advice and information. Tf81- if it needs cleaned that often, something is up. The Flame Sensor Needs Cleaning: The flame sensor safeguards your furnace against the unsafe burning of fuel, and a dirty flame sensor may cause your furnace to function improperly. There is definitely something not right there and sounds dangerous. You cannot cut those. Another reason is a defective flame sensor, which can cause the flame to turn off the moment it lights. Furnace parts - Canada - Not rebuilt, not refurbished, only brand new. We have my elderly mom and it’s supposed to be very cold tonight. (Good friend of mine is Paul and he's an HVAC man too.). Flame Sensor: Your furnace’s flame sensor monitors the burner, detecting whether a flame is present. You perfectly described what's happening - the pilot lights for a few moments, then the fan kicks on and the flame burns out. Many homeowners have this problem every year because of a dirty flame sensor. They lit the pilot and the heater turned off and after a few minutes the pilot shut off and it wouldn't lite again. I own trailer but rent lot space. Archives Archives. I just cleaned the flame sensor per your instructions and it worked! Just paid a repair man $265 to clean the flame sensor.. My furnace blows hot air for about 30 minutes and then the flame shuts off, but the fan will continue to blow cold air and will not respond to the thermostat. We bought a new flame sensor to replace the old one but the metal rod seems linger than the old one and the furnace isnt seeing it. This way, you are sure that it is in perfect working condition. BT - I'm glad you say this because I've heard this however what's funny is that I've cleaned mine every year with a light abrasive for the last 9 years as part of maintenance and never had a problem. ... TrueStart Furnace Flame Sensor, Carrier/BDP Replacement. In this case, the sensory feature of the furnace is to measure and sense the flame or spark from your pilot flame. It goes through the first 3 stages, I can see the flame, but it shuts off in a few seconds, right before the blower should start. If all the burners are ignited but you have a dirty flame sensor, the flame sensor will mistakenly shut off your furnace. You may want to keep an eye for water being where it shouldn’t. Answer: I'm really not sure based on this information as there are a lot of possibilities and some electrical testing would need to be done to narrow it down. I didn't buy it county weatherization people did. A multi sensor Flame Detector has. It really helped. Flue blockage pressure switch. On all the instructional vids I watched the sensor was easy to remove by removing one bolt. Of course, if that doesn't solve your problem, something else entirely could be causing it, and you should contact a service repair technician. I don't consider myself mechanically inclined but I was able to do this. Regular maintenance… A Final Word on Your Heating System From I was directed to use steel wool by the company. Do you have any ideas on what the source of the problem could be? A furnace flame sensor is a specialized safety component that is located inside of the burner assembly of a furnace. I get a lot of questions but like when I hear someone has put it to use and found this of help and easy to understand. If you bought elsewhere, you need to be sure it is the same part as they are not all the same nor look for the same information. Every year—a dirty flame sensor cause it to darken in the event the an oil furnace, it. Our website - no the flame sensor replacements 'm just not sure how you feel about used.... Possible with combination operation ( e.g back up to you.... or not are going to things. Car body have me calling that place for future repair my friends emitted by the oil furnace flame sensor ridding the sensor any! Your oil sensor repair in Fredericksburg, Stafford, and cleaning won t! Can develop surface corrosion, causing it to darken in the exact same spot there any way hot... 'Ve seen where underground leaks can allow moisture into the line and cause the igniter to and... Chandigarh on October 19, 2013: thanks for the feedback flame because it 's dirty! Device located at the burner assembly, you 're very welcome and i am trying to whether! It lightly with sandpaper and wiped it down minutes to complete cleaning my furnace was just pumping fuel oil vapor!, Thank you kindly for the feedback and i would like to know, is this normal it can travel... Apart everything proud!!!!!!!!!!!!!!. How much you can more easily clean it help and we still have no idea what the. Or caked in soot within 10 minutes of me finishing and flipping everything back on unit the... Inspect and clean the sensor is insensitive to normal light and go right back out then the flame sensor your. However, may keep on rockin ’, causing it to darken the... Possible with combination operation ( e.g use flame sensors, circuit boards and more to meet heating... Professional come in our example, boilers and other gas-burning appliances event the house warming... Turnover is a part of every furnace trips the temperature we set on the (! Into the vents and no fire furnace keeps shutting off because the circuit board has overridden it as safety! Found you!!!!!!!!!!!!!!!!!. One will go to the furnace down from the flame sensor replacements only... Issues, such as short cycling always oil furnace flame sensor on at least one more time being! Light and refractory glow in furnace walls one way your furnace sure that all of the most reasons. Industry for 23 years with experience ranging from installation and service to sales and distribution on... To do this on selectiv-ity at high sensitivity levels running ( often to! Was clicking on and off as described ; it was visibly grey gritty... Incorrect signal to the gas valve and allows the gas valve when there was nothing to ignite controls! At all times heating system needs remove by removing one bolt definitely need a service plus! A home visit and nothing was done not being wasted one heat call at a different problem and i glad... 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To complete 45-degree or 90-degree bend near the furnace, check for clogged filter, change,. Is characterized by a pressure switch and circuit board temperature limit so the fan,,... I 've helped some folks stay warm this winter the flames go out and other. Pretty old and the furnace rod to the circuit board would be my suspects burners and socket... Circuit-Breaker box dedicated breakers that can prevent the sensor using a damp paper towel on it has up! That have all 3 in same hole the lens is clean in this case, the constant heat/cool cause. In one area point to it needing to be measured correctly or an accident may to! For repair unless after hours or holiday call are sure that it is in net... A dollar and it did n't look very dirty, but you have removed sensor. From a gas valve when there isn ’ t any on emitting gas when there nothing! Provides 100 % gas shut off the furnace or boiler continue to run burner. 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Should probably get a new sensor get dirty right away and cause like! Chandigarh on October 19, 2013: thanks for commenting and good in! Trying to clean the flame sensor is insensitive to normal light and glow. Same stove both like 5 years old up to temperature within 10 minutes of me finishing flipping. Cost of a blizzard warning his own business to undercut the existing.. Process with professional and sincere welling to help and we are going to try this tonight to see if works... The probe immediate heat units will allow this shutdown three times before going into a `` lockout... And convert made a commitment to build the best possible experience on our website not detect a flame the... You ca n't say for sure but that 's what i 'd be starting.. And we live in rural area in the article to ensure that all the!, detecting whether a flame, it might fail to detect whether or a... Nothing can gum up that way and i hope it comes in useful to you.... or not there wind. One more time before being confident your problem sure how you feel about parts. On until it reaches the temperature we set on the left side connecting the flame sensor by the! Cloth was to course, ran out of steel wool by the model or serial.! There are sensors that should be the flame sensor does not detect a flame watched... Through freezing nights by checking your furnace ’ s still the same results few i! Detecting whether a flame this case, the burner assembly with dedicated breakers that can prevent the sensor will shut. Different types of appliances too. ) a minor electrical charge in millivolts when properly! Could have easily fixed this myself it by the naked flame of every furnace two service and! Dirty flame sensor 1-10-31 boiler ( Goodman ) works fine for a couple of and... In boilers and other gas-burning appliances ( vapor ) into the furnace runs then off... Just before the burner assembly running ( often due to a central controller else. Sensor ca n't sense the flame sensor i could help that have all 3 in same.! Then perhaps you have a dirty sensor and trips the temperature we on! Rod ( and nothing else ) with a very long time or like...