Air is pumping but it&39;s not warm. Every now and then the furnace blower comes on when calling for heat but the glow coil and gas valve do not come on. Leave it off for about 30 seconds and then turn it back on. If it is glowing solid amber or yellow, then that means everything is fine, and you have a happy furnace. A faulty inducer or an issue with the burner can cause this. One thing I read and followed in another thread was to tapjiggle the connector (I think it has 9 wires, including 2 yellow) at the. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. Choose a language. This switch guards explicitly against overheating and is purposely designed to open when theres overheating. It&39;s 60 degrees in the house and thermostat is set at 70. This may be attributed to a leaky or slow closing gas valve. This caused it to overheat so the induction blower turned on and stayed on to cool it off. If it is pulsing on and off slowly it means that everything is just fine. Standard Freedom 80 Led. The Freedom 90 has 11 models that come in different sizes and can hold from 2 to 5 tons. Opening up the top part of the furnace, when I close the bottom door switch. American Standard Freedom 90- Solid Red light Hello, I have an American standard Freedom 90-r furnace that went out a few days ago. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. Many don't even know they're eating so much salt. On a newer furnace, there may be an electrical panel that gives readings. To fix this, look for a red rollout reset button on the side of your York furnace. Fan Speed - Sometimes HVAC system blower fans cannot move enough air per minute within the space that needs to. 5 Red flashes. If the light is off it means the HVAC unit has no power. If your furnace keeps blinking four times even after you restart it, it could be one of the following issues; Overheating The first thing that comes to mind when the high limit switch is open is overheating. Red light blinking 6 times code is defined as pressure switch lockout. RESULT The furnace is likely blowing cold air because it&x27;s dropping the flame. with thermostate of led blinks 5 times - sensing heat when no. How Do I Troubleshoot An American Standard With Red Light Flashing 4 Times. 5 Red flashes. red light blinks 4 times G grandpa2390 Discussion Starter 1 Nov 14, 2014 (Edited) The cold season is finally here and, while I don&39;t need heat, I wanted to make sure the heater was functioning just in case it gets really really cold. I don&39;t understand what it means. Dec 19, 2011 RED LED - LitePort TM DATA - 1 FLASH EVERY 20 SECONDS 2 Flashes --- RETRIES OR RECYCLES EXCEEDED 3 Flashes --- INDUCER OR PRESSURE SWITCH ERROR 4 Flashes --- OPEN LIMIT OR ROLLOUT SWITCH 5 Flashes --- FLAME SENSED WHEN NO FLAME SHOULD BE PRESENT 6 Flashes --- LINE REVERSE POLARITY 7 Flashes --- GAS VALVE CIRCUIT ERROR 8 Flashes --- WEAK FLAME. This problem can be caused by an issue with the wires in your walls, or it might just be that there is a loose wire connection somewhere. American standard freedom 90 furnace blinking red light 4 times ib ni. Log In My Account nu. American standard freedom 90 furnace blinking red light 4 times. I have a solid red and green light on an American Standard Freedom 90 2 stage propane furnace model AUX100R948W5. mh; rh. Log In My Account he. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. I have a trane xr80 that is flashing 4 times with a red light and no nothing about furnaces. Dec 17, 2022 Leave it off for about 30 seconds and then turn it back on. Sounds like motor has failed. Our light was blinking 6 times I found the owner&39;s manual for our furnace, and it said that 6 Flashes meant that the rollout limit circuit. There are atleast two fans running. I have a trane xr80 that is flashing 4 times with a red light and no nothing about furnaces. Armstrong Armstrong furnace review,. The furnace red led blinks 9 times. This code relates that your furnaces limit switch is stuck while being open. I have the heat on and the furnace light indicator has one flash of green then followed by a series of 4 red flashing lights. If this happens, you should test out all of your connections and make sure they are tight and not causing any problems. HVAC Technician Kim Kimmel. 1 for one hour then tries again. My (gas) funace is not receiving any power. Then you have to look around the burner . If you see one red flash, it means that something is not allowing power to get to the gas valve. If your furnace is experiencing some issue, find your nearest ARSRescue Rooter location or call us at 866-399-2885 to book an appointment with us today. Lennox Furnace Light Codes. Freedom 90 gas furnace starting up How a Two Stage Furnace Works HVAC Furnace Repairs American Standard Freedom 80 Furnace Cleaning Plainfield, IL American Standard Blinking Red Light American Standard gas furnace not heating house Furnace Not Working - The Most Common Fix American Standard. The signals are sorted by LED color and number of flashes which you observe. Be sure to get the code the furnace is giving you before you cut the power. If it is glowing solid amber or yellow, then that means everything is fine, and you have a happy furnace. I found the ignitor. It maybe locked out for . Nov 14, 2014 American Standard Furnace not igniting. Easy steps, and video showing exactly what to do. comythiJustAnswer Customer American Standard freedom 90 furnace have a 4 blink code do you know what that meansHVAC Guru HVAC. This switch guards explicitly against overheating and is purposely designed to open when theres overheating. Not your question. The blower runs continuously Just as the limit switch keeps the blower fan off until the supply air is warm enough, it can also keep the fan running if the fan is broken. Long story short, I heard something that sounded like dripping water coming from my basement. 2 Flashes · The furnace is likely blowing cold air because it&39;s dropping the flame. Mar 1, 2013 American Standard. If your furnace is experiencing some issue, find your nearest ARSRescue Rooter location or call us at 866-399-2885 to book an appointment with us today. One other thing is do not jumper the gas valve, 120 volts will burn the coil up. I am up in the attic, I have a smart thermostat so I. A contractor let me know that my ac will need to be replaced (its not something I wasn&x27;t expecting the units nearly 20 years old). The blower runs continuously Just as the limit switch keeps the blower fan off until the supply air is warm enough, it can also keep the fan running if the fan is broken. 5K subscribers Subscribe 71K views 9 years ago I am having an. If your York furnace blinks red 6 times, the modulating gas valve is experiencing a failure. one year ago in October furnace failed to heat up house, . The furnace blinks four times If your furnace blinks four times, stops, then blinks four times again, you certainly have an open high limit switch. My American Standard Freedom 90 furnace is running, but isnt. Be sure to get the code the furnace is giving you before you cut the power. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. I have a trane xr80 that is flashing 4 times with a red light and no nothing about furnaces. Often times the reason air does not get to your furnace&39;s igniter is . I don't understand what it means. For some modifications there are also alert codes given to provide better understanding of nature of the issue. Long story short, I heard something that sounded like dripping water coming from my basement. American standard freedom 90 furnace blinking red light 4 times ib ni. One is right in the furnace and one that blows to the entire house. cq; ia. ic nm ch. I found the light on the bottom panel of the furnace Turns out, the red furnace indicator light uses Morse code to spell out a problem number, which you can then look up in your furnaces owner manual. CODE 2 flashes. How Do I Troubleshoot An American Standard With Red Light Flashing 4 Times. What&x27;s worse is that the air never heats up I&x27;ve already replaced the Hot Surface Igniter (it was bad), but it never ignites or even glows. American standard furnace red light blinking 3 times. The indicator light flashes 2 times-and the code thing says it means system lockout -check line clarity. Oct 16, 2021 The furnace blinks four times If your furnace blinks four times, stops, then blinks four times again, you certainly have an open high limit switch. The reason for this is typically the same . 10-23-2010, 1222 PM 5. Log In My Account he. This will clear the board and the unit will try to restart so you can watch to see what&39;s happening. The red light of the american standard freedom 90 furnace will begin blinking to give you the signal about replacing or repairing the igniter. mh; rh. Researched and found that 9 Flashes is either "Check Ignition" or "Check Ignitor Circuit. Not your question. 5 Blinking Red Lights. Long story short, I heard something that sounded like dripping water coming from my basement. Discussion Starter &183; 1 &183; Apr 5, 2014. If it is glowing solid amber or yellow, then that means everything is fine, and you have a happy furnace. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. Nov 14, 2014 45 Posts. Furnace Light Blinking 3 Times. The blower runs continuously Just as the limit switch keeps the blower fan off until the supply air is warm enough, it can also keep the fan running if the fan is broken. I own an American Standard Freedom 95 2 stage furnace, and recently the AC stopped keeping up. First there was a 3 flash error code which i determined was the pressure switch. Next, I can. Flashing red light Hello I have an American Standard Freedom 90 gas furnace. The Freedom 90 has 11 models that come in different sizes and can hold from 2 to 5 tons. 31K subscribers Subscribe 1. PROBLEM Indicates a problem with the pressure switch. American standard freedom 90 furnace blinking red light. Choose a language. RESULT Indicates a problem with the polarity or grounding. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. the green light then blinks quickly (call for heat I am guessing). No many American Standard units the 4 blink code means (Thermal Protection Device Open) I have a American standard freedom 90 led light is blinking 2 times red. . The roll-out switch is jammed while being open. By Live Science Staff published 24 June 10 A whopping 9 out of 10 U. May 28, 2022 This code relates that your furnaces limit switch is stuck while being open. I have a trane xr80 that is flashing 4 times with a red light and no nothing about furnaces. On a newer furnace, there may be an electrical panel that gives readings. Accept Reject. One is right in the furnace and one that blows to the entire house. red light blinks 4 times G grandpa2390 Discussion Starter 1 Nov 14, 2014 (Edited) The cold season is finally here and, while I don&39;t need heat, I wanted to make sure the heater was functioning just in case it gets really really cold. lating materials as some insulating materials are combustible. CODE 2 flashes. Have you ever looked at your furnace and thought what do 3 flashes on American Standard furnace mean This error occurs when the combustion air . hf; hv. Gas and Oil Home Heating Furnaces - American Standard Freedom 80 Single Stage flashing 9 Flashes - No heat coming out of the furnace. Four red flashes indicate that a 24-volt fuse or the high-limit switch is open. A week later, I flipped the switch back on to turn on the furnace. The blower runs continuously Just as the limit switch keeps the blower fan off until the supply air is warm enough, it can also keep the fan running if the fan is broken. The red light on computer board blinks 4 times. other insulated space it must be kept free and clear of all insu-. Discussion Starter 15 Nov 19, 2014 (Edited) yuri said put a ohm meter across the switch wo the wires on. CODE 2 flashes PROBLEM The furnace is likely blowing cold air because its dropping the flame. Freedom 95 - flashing red. Long story short, I heard something that sounded like dripping water coming from my basement. Dec 17, 2022 You can reset your furnace by cutting the power to the unit via the service switch or the breaker. I found the ignitor. My American Standard Freedom 90 furnace is running, but isnt. Show more No Heating Trane Gas Furnace False High Limit. Check the pressure switch hose of your furnace for blocks or an improper connection. Bought house a year ago, has an American Standard Freedom 80 single stage gas furnace, model AUD080C936K4; serial40823181G that was installed in 2004. Standard Freedom 80 Led. My American Standard furnace is blowing cold air A furnace repair professional can show you how to do this com,1999blog-1641994967507351347 Exceeds Honeywell FC100A1011 specifications 1 Turn off the power to the. If the red light is blinking it may be telling you what is wrong by the number of blinks. It&39;s ok; it&39;s supposed to be there. Amana (httpswww. my american standard freedom 90 lights but goes out imediately. HVAC Technician Kim Kimmel. This will clear the board and the unit will try to restart so you can watch to see what&39;s happening. other insulated space it must be kept free and clear of all insu-. Fan Speed - Sometimes HVAC system blower fans cannot move enough air per minute within the space that needs to be heated or cooled. it may have the codes. Cleaned flame furnace lights than goes out immediately. Four flashes. CODE 3 flashes. The roll-out control will automatically be reset. 63 Mb) 2. When I went to investigate, I happened to notice the blinking red light on my furnace. the thing runs. they run when I turn on the heater, and then the code starts flashing. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. Furnace Light Blinking 3 Times. eu ln. Standard Freedom 80 Led. I live in Southeastern PA. Bought house a year ago, has an American Standard Freedom 80 single stage gas furnace, model AUD080C936K4; serial40823181G that was installed in 2004. 14 Nov 2014. they run when I turn on the heater, and then the code starts flashing. The furnace blinks four times If your furnace blinks four times, stops, then blinks four times again, you certainly have an open high limit switch. Oct 16, 2021 If your furnace keeps blinking four times even after you restart it, it could be one of the following issues; Overheating The first thing that comes to mind when the high limit switch is open is overheating. CODE 6 flashes. hf; hv. Ask Your Own HVAC Question This has already been done several times. Follow the small copper tubes that are attached to the control valve to locate the pilot light. Possible causes include an improperly sized ducting system, a dirty air filter, a faulty blower motor, an open fuse on the control board or restricted circulating airflow. Discussion Starter &183; 1 &183; Apr 5, 2014. 1 AFUE. Accept Reject. My American Standard Freedom 90 furnace is running, but isnt. I need your advice regarding American Standard furnace error codes. PROBLEM Indicates a problem with the limit switch. red light blinks 4 times G grandpa2390 Discussion Starter 1 Nov 14, 2014 (Edited) The cold season is finally here and, while I don&39;t need heat, I wanted to make sure the heater was functioning just in case it gets really really cold. 5 Blinking Red Lights. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. Turning off and restarting the furnace. Nov 29, 2014 I have a American Standard furnace with a white Rodgers 50a55-486 control and the led is flashing 4 times meaning Thermal protection device read more Rick Supervisor 38,414 satisfied customers Furnace lights. This will clear the board and the unit will try to restart so you can watch to see what&39;s happening. Available in both upflow and downflow configurations, the Freedom 90 has 11 models in a variety of sizes, with capacity ranging from 2 to 5 tons. Easy steps, and video showing exactly what to do. Cleaned flame sensor. American Standard Freedom 90 Two Stage 6 Years Old It S 20. com and diychatroom. What should I read more. 5 Red flashes. inconsistent heating performance as a result of the furnaces single-stage heating. Dec 19, 2011 RED LED - LitePort TM DATA - 1 FLASH EVERY 20 SECONDS 2 Flashes --- RETRIES OR RECYCLES EXCEEDED 3 Flashes --- INDUCER OR PRESSURE SWITCH ERROR 4 Flashes --- OPEN LIMIT OR ROLLOUT SWITCH 5 Flashes --- FLAME SENSED WHEN NO FLAME SHOULD BE PRESENT 6 Flashes --- LINE REVERSE POLARITY 7 Flashes --- GAS VALVE CIRCUIT ERROR 8 Flashes --- WEAK FLAME. 2) hoses from two pressure switches, as wel as the rest are. ; 3 Flashes · Indicates a problem with the pressure switch. Some times the glow coil comes on but no gas valve click, so. I have the Freedom 80, but it appears to be very similar to the 90. The American Standard Freedom 90 is an Energy Star gas furnace that can get up to 92 AFUE. If the green light is flashing slowly, it means the furnace is on but there is no request for heat. Viewed 43k times 0 I noticed my home gas furnace was turning on, I could hear it running, but it seemed the fan was not blowing the heat out of the heat duct vents. Is it possible it went bad I just had a pressure switch failure indication yesterday, which just turned out to be a clogged air intake. May 28, 2022 If you see one red flash, it means that something is not allowing power to get to the gas valve. Then power back on and call for heat and tell me what happens as far as furnace operation before you get an error code. 1744 South Pearl Street Fresno, CA 93721 (800) 332-7022 phone (559) 264-3104 fax. Of course, when your gas furnace fails to ignite you can pick up the phone and call. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. In this Gas. I have a trane xr80 that is flashing 4 times with a red light and no nothing about furnaces. Questions and Answers Question What does the red. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. CODE 2 flashes PROBLEM The furnace is likely blowing cold air because its dropping the flame. American Standard Blinking Red Light - YouTube 000 139 American Standard Blinking Red Light Appliance Princess 17. This code will be lost once the unit is powered down. A Slow Flashing Light. I have a 20 year old American Standard Freedom 90 furnace. This will clear the board and the unit will try to restart so you can watch to see what&39;s happening. SO I went downstairs to the furnace, and looked at the red blinking light on my American Standard Freedom 80 furnace, and it showed 4 blinking. Possible causes include an improperly sized ducting system, a dirty air filter, a faulty blower motor, an open fuse on the control board or restricted circulating airflow. Luckily for some freakish reason it's 60 degrees here in New. craigslist for fayetteville north carolina, xvtapes
Freedom 90 gas furnace starting up How a Two Stage Furnace Works HVAC Furnace Repairs American Standard Freedom 80 Furnace Cleaning Plainfield, IL American Standard Blinking Red Light American Standard gas furnace not heating house Furnace Not Working - The Most Common Fix American Standard. . American standard freedom 90 furnace blinking red light 4 times
Leave it off for about 30 seconds and then turn it back on. There are atleast two fans running. It was making a strange sound like leaves or a nest was coming in contact with the cage () in the. Possible causes include an improperly sized ducting system, a dirty air filter, a faulty blower motor, an open fuse on the control board or restricted circulating airflow. This switch guards explicitly against overheating and is purposely designed to open when theres overheating. 1744 South Pearl Street Fresno, CA 93721 (800) 332-7022 phone (559) 264-3104 fax. Dec 17, 2022 Leave it off for about 30 seconds and then turn it back on. You can tape the door switch closed to watch the igniter once it cycles on. You can tape the door switch closed to watch the igniter once it cycles on. CODE 4 flashes. The Freedom 90 has 11 models that come in different sizes and can hold from 2 to 5 tons. You can reset your furnace by cutting the power to the unit via the service switch or the breaker. American standard furnace red light blinking 4 times. Feb 11, 2011 I have an American Standard Freedom 90 Comfort-R furnace and it is flashing the red light 6 times, indicating ignitor failure. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features. Nov 30, 2013 American Standard Freedom 90- Solid Red light Hello, I have an American standard Freedom 90-r furnace that went out a few days ago. CODE 3 flashes PROBLEM Indicates a problem with the pressure switch. PROBLEM The furnace is likely blowing cold air because its dropping the flame. My American Standard Freedom 90 furnace is running, but isnt. What could it be I can&x27;t imagine it being an overheating problem. I don't understand what it means. Of course, when your gas furnace fails to ignite you can pick up the phone and call. with thermostate on led flashes fast - normal operation calling for heat. Furnace Light Blinking 3 Times. WE have turned the fireplace off. Cleaned flame sensor. Furnace Light Blinking 3 Times. It&39;s 60 degrees in the house and thermostat is set at 70. The furnace blinks four times If your furnace blinks four times, stops, then blinks four times again, you certainly have an open high limit switch. May 28, 2022 This code relates that your furnaces limit switch is stuck while being open. red light on board blinks twice, three times in a row upon starting up. Not your question. Standard Freedom 80 Led. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. If your furnace is experiencing some issue, find your nearest ARSRescue Rooter location or call us at 866-399-2885 to book an appointment with us today. You can also check the resistance on the gas coil to make sure it is not open. Most households need a new filter at least every three months, but you might need monthly changes if you have a large family with lots of pets or live in a dusty area. May 28, 2022 If you see one red flash, it means that something is not allowing power to get to the gas valve. vk; vs; ig; Related articles; sl; bd; xd; ek. Long story short, I heard something that sounded like dripping water coming from my basement. PROBLEM Indicates a problem with the limit switch. This can be damaging to the entire system because this part allows propane or natural gas to flow into your unit. Model CUB100A936C4 22004 date of manufacture HVAC Technician airheatman Turn power OFF to furnace to reset board. The Freedom 90 has 11 models that come in different sizes and can hold from 2 to 5 tons. American Standard Freedom 80 Single Stage flashing 9 Flashes. Oct 16, 2021 The furnace blinks four times If your furnace blinks four times, stops, then blinks four times again, you certainly have an open high limit switch. I have a solid red and green light on an American Standard Freedom 90 2 stage propane furnace model AUX100R948W5. My American Standard furnace is blowing cold air A furnace repair professional can show you how to do this com,1999blog-1641994967507351347 Exceeds Honeywell FC100A1011 specifications 1 Turn off the power to the. usually it is on the back of one of the doors. Easy steps, and video showing exactly what to do. If you&x27;re a lucky owner of an American Standard furnace with a standing pilot, then you might have to reignite the light at one point. This code relates that your furnaces limit switch is stuck while being open. If this happens, you should test out all of your connections and make sure they are tight and not causing any problems. If youre a lucky owner of an American Standard furnace with a standing pilot, then you might have to reignite the light at one point. From httpswww. PROBLEM Indicates a problem with the limit switch. This will clear the board and the unit will try to restart so you can watch to see what&39;s happening. 27 Nov 2013. Thermostat Anytime you have furnace problems, your first step should be to check the thermostat. Air is pumping but it&39;s not warm. Nov 14, 2014 45 Posts. Dec 24, 2022 The signals are sorted by LED color and number of flashes which you observe. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. The furnace power button serves as a replacement for an American standard furnace reset button location. Jan 18, 2011 I have an American Standard Freedom 90 furnace. cq; ia. control acont602af22ma, blinking red light on american standard freedom 80 comfort r furnace customer question but in the case of trane and american standard the blinking red light is normal as you see by the documentation on page 21 the flashing light is normal heating amp air conditioning contractor 6 years college 8 893 satisfied. The American Standard Freedom 90 is an Energy Star gas furnace that can get up to 92 AFUE. Replace fuse or reset breaker. 1 AFUE. The roll-out control will automatically be reset. One is right in the furnace and one that blows to the entire house. There are atleast two fans running. Fault Code Reset The last 4 fault codes can be erased from memory by powering up the control with "G" energized and then applying "R" to the "W1" terminal 3. I need your advice regarding American Standard furnace error codes. I tried bypassing main limit switch but no luck. Turn off the gas control. This caused it to overheat so the induction blower turned on and stayed on to cool it off. Hello, That is an open limit switch code. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features. 13 Jan 2022. SO I went downstairs to the furnace, and looked at the red blinking light on my American Standard Freedom 80 furnace, and it showed 4 blinking. The red light of the furnace will start blinking to let you know about the dire situation of the american standard freedom 80 furnaces burners. Discussion Starter 15 Nov 19, 2014 (Edited) yuri said put a ohm meter across the switch wo the wires on. Sometimes, blinking red light on a furnace will work if there is a bad condition in the furnace. If a red light on your furnace blinks repeatedly you know that something is going wrong. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. I live in Southeastern PA. Accept Reject. But if you notice that the furnace light is blinking, it&39;s time to . I found the ignitor. What Does It Mean When the Furnace Light Is Blinking. Log In My Account he. Log In My Account fo. mh; rh. The roll-out control will automatically be reset. It&39;s 60 degrees in the house and thermostat is set at 70. red light blinks 4 times G grandpa2390 Discussion Starter 1 Nov 14, 2014 (Edited) The cold season is finally here and, while I don&39;t need heat, I wanted to make sure the heater was functioning just in case it gets really really cold. Blows cold air and has a red light that flashes 9 times. Faulty pilot light · Dirty flame detector · Clogged air filter · Low supply of gas · Clogged condensate lines · Damaged ductwork · Incorrect . my american standard freedom 90 lights but goes out imediately. The Freedom 80 furnace has models that can be found in American Standard&x27;s Silver Series, Gold and Platinum series. Change the air filters Dirty air filters lead to a multitude of furnace problems com,1999blog-1641994967507351347 R9k Shooter Filter size The most typical sizes for a furnace filter are 16 x 20, 20 x 25 and 16 x 25 however many other sizes are available for purchase on our site Shop for 4 PACK Unifilter Furnace Oil Filter. Its a steady, constant blink and when the furnace kicks on, the blinks speed up. em heat american standard programmable comfort control acont602af22ma, 4 red blinking lights on york furnace four red flashes indicate that a 24 volt fuse or the high limit switch is open possible causes. PROBLEM The furnace is likely blowing cold air because it&x27;s dropping the flame. 5K subscribers Subscribe 71K views 9 years ago I am having an. Log In My Account nu. Listed below are the fault codes. This code will be lost once the unit is powered down. American Standard Furnace 90 - No power. I have a trane xr80 that is flashing 4 times with a red light and no nothing about furnaces. American standard freedom 90 furnace blinking red light 4 times If you continue to get the "electrical burning" smell after fixing the connections -- that&39;s a sign the fan motor on your furnace is on the way out the door. Luckily for some freakish reason it's 60 degrees here in New. A slow, steady light generally means that the unit is on but not providing heat, while a fast, steady blinking light means the unit is working properly and providing heat. . big boobs alert