There are many potential reasons that your furnace could be short cycling, so let’s take an in-depth look at the causes and their solutions. If the fan does not start then there will be an airflow sensor that will also cut out the flame - I have seen environments where its all working properly but an obstruction in the outflow (bird’s nest) also caused it to go flame out. Allow the fireplace to cool down before attempting to check for dust or dirt. Making major modifications to a gas furnace could be dangerous for you and your family. If you’re smelling gas, then shut it off. It powers up fine, fake flames work, it has a turn knob to set the temperature, but when I push the HEAT switch to ON, you can hear the heater working and see the heating coils turn red but within 15 - 20 seconds you hear a loud click noise and the coils turn off and no heat is produced. I have replaced the valve, the thermopile and over temp sensor. Attach one lead of the multimeter to the silvered end of the thermocouple wire (the part that made contact with the gas valve) and the other lead to the bare copper thermocouple wire. Clean the fireplace, remove chimney obstructions and clean the flue. Many furnaces can get into the habit of repeating this cycle over and over again. It starts up fine, runs for about 5-10 minutes than completely shuts off...pilot and all. Press the OFF button (or wait 10 seconds) to complete programming. The flame sensor in my gas furnace occasionally needs to be cleaned. the gas stops flowing). This vital component is designed to keep an eye on the gas burner. It starts and then shuts off after a few seconds. Solving the issue of low airflow requires a multi-pronged approach. What is happening is that the flame ignites for 10 seconds from cold start (ignites for 5-6 seconds the 2nd or 3rd time around), then cuts out. It also brings in enough air to allow the pressure switch to close and activate the ignition process. If your furnace turns on then off after a few minutes, it could be a relatively minor fix or the sign of a much larger issue. Save my name, email, and website in this browser for the next time I comment. For safety this furnace fan cycling problem should be diagnosed and repaired promptly. Sounds suspicious. It’s Cold! The primary function of a draft inducer motor is to draw air into the burner and out the flue. If you smell burning wires or an odor you suspect is gas, shut off the fireplace, vent the house and consult a professional. This, in turn, makes the gas valve shut off. The lack of warm air entering your home lowers the temperature and leads to extra furnace cycles. There is a perceptible "click" when the unit shuts down (i.e. Watch the video above and we’ll take you through several steps to effectively troubleshoot. My Honeywell Thermostat is Not Turning On. When the furnace turns on then off after a few minutes, you need to figure out the cause so that you can keep your home warm through the blustery winter temperatures. Sounds like flame sensor is not work properly. This will result in a furnace that turns on then off after a few minutes. Any ideas appreciated. To set the temperature of your fireplace, similar to central heating in your home, press the SET button until you see the TEMP (SUN) mode. Adjust the flame to counter low rumbling noises. It starts and then shuts off after a few seconds. If the draft inducer motor is defective, it won’t provide the proper circumstances for the pressure switch to close and ignite the furnace. We have a gas fireplace in our living room. The drum continues to turn. I have a charmglow 23in electric fireplace. This could be a relatively easy fix. The furnace won’t be able to pull fresh air into the blower if the air filters are clogged with dust, pet hair, and other debris. If any one component fails then the gas flow will shut off until that failure is rectified. after it goes out and i attempt to relight it the burners will only stay lit for about 5 mins. My Honeywell Thermostat Says Wait: What to do Next? If your furnace turns off after a few minutes, there is a good chance it is caused by a faulty or dirty flame sensor. A wad of wiring (wow) with the potential of becoming a wall switch seems to be the culprit. The furnace acts just like the fire place in the OP. Powered by Discourse, best viewed with JavaScript enabled. Gas fireplace shuts off after a few minutes Bought a new house with a gas vented fireplace. When this piece is defective or broken, the furnace starts and shuts off again rather quickly. Faulty pressure switch A defective pressure switch is another key reason why your furnace turns on then off after a few minutes. A Bad Gas Valve. The heat exchanger in the furnace will often overheat if there isn’t enough airflow. To start the flame, you need to press the trigger that is on the lighter. The company told me to to get one of those pressurized air cans used to clean keyboards and blow out any dust from the holes in the burners. View our customer care section for helpful information to ensure that your Heatilator product is safe, reliable and easy-to-use. Press Esc to cancel. Why does my gas fireplace go out after only a few minutes of running? This particular issue often occurs if the furnace is located in a crowded storage area or has a block in the air inlet leading from the outside into your home. Troubleshooting Tips for Gas Fireplaces – Part 2. Type above and press Enter to search. Worked like a charm and saved me a lot of money. Replace your air filter monthly to avoid blockage-related short cycling. Seems simple, but the gas valve could have gotten turned off for any number of reasons over the summer or since it was last used. Please be patient it can take a few minutes for me to respond. It would be a SWAG to answer with out knowing sensors system fireplace has. If the supply of gas to the pilot light or burners is interrupted due to the gas valve or its inner elements being damaged, your gas water heater will shut off. The flame lifts away from the thermocouple and causes the temperature on the tip of the thermocouple to drop. First and foremost, make sure that all of your air filters are clean. Now that will start the fire, but the fire goes out after 10 to 15 seconds, every time Be sure to consult with a local professional HVAC company to ensure that your furnace is in prime shape for the coming winter months. When the exchanger heats up to the maximum temperature, the furnace shuts off after a few minutes. The recent snowstorm in the north has me thinking that I need an alternative heat source in the event the electricity were to go out for a few days. Hire a detective to follow it whenever it goes out, and to report back to you on its whereabouts. The flame sensor in my gas furnace occasionally needs to be cleaned. Cleaning it with a little fine steel wool takes care of the problem. The thermopile is the sensor in the pilot flame with 2 leads that connect to the gas valve. – gas fireplace shuts off after a few minutes Burning fireplace which is on each side that startup condensation but this action will leave the burners pilot stays lit … However, you may need more serious professional help. may cycle on and off every five minutes. Ensure the wall mounted switch or remote is in the “OFF” position. Gas Fireplace Shuts Off and Pilot Goes Out After that, you need to insert the butane lighter into the gas tube. In the best situation, I have only been able to get it to run for a maximum of 20 minutes before it shuts down. When installed, the wow was just left underneath as a lateroption with exposed ends that, when touching the metal fireplace wall would cause a short and shut off the gas, a safety feature. You should also make sure to open all of your air supply vents. The pilot stays lit, seems to have a good draft. After 3 times the furnace goes into lockout, and the only way to get it out of lockout is to turn the power switch off and on. Replaced thermopile last year and this is not the same symptoms. Problem: Your furnace main burner ignites, the main burner stays on for 8 to 10 seconds, then shuts right back off.Your furnace tries this ignition sequence again, and the same thing happens. Without the control board, there will be no power supply to the ignition system that keeps the furnace running for longer periods of time. Thanks. After 60-90 seconds, the flame fires up again, burns for 5-6 seconds, then shuts off again. A few intermittent clicks are heard. A furnace that starts and shuts off over and over again is often described as short cycling. Gas fireplace wall switch stopped working 4 weeks ago, but button on the control continued to start and stop the fire. The furnace acts just like the fire place in the OP. The flame sensor is there to make sure that the fire is actually on an that your appliance is not just pouring gas into your house. We have one of those, and it’s never worked well despite getting it professionally fixed more than once. When it is turned on it will sometimes shut off, then relight after about a minute or so. Possibly the flame detector, does it have fan ventilation? It will simply have to be replaced to correct the issue you are experiencing with your furnace. It may stay lit for hours then shut off. Today I turn it on, and after a few minutes, the fireplace went out, all by itself. It generates all the power the gas valve needs to function (less than.5 volts). Clean the burners in response to roaring sounds. To check if your electric fireplace has excess dust, turn off your fireplace at the wall and unplug it from the socket. Shuts off after a short time, and also shuts off the pilot light. Other times it will only start for a few seconds and shut down. It’s a bit of a hassle, but the remote is so damn frustrating that we gladly do it. Fireplace Burner Always worked fine for the 8 years we've been here. When a furnace starts and shuts off, it could be a sign that you have low airflow. If that doesn’t work, I’ve got nothing for you. Some handy homeowners are able to solve the problem in an afternoon. These should be replaced every few months to make things easier on your HVAC system and to ensure that you filter clean air into your home. Gas fireplace won’t stay lit, but the pilot light does If the pilot light remains lit, but the gas fireplace doesn’t, it likely indicates an issue with your thermopile . Turn the gas control knob so the indicator points to the “OFF” position and wait 5 minutes for any gas … … Please be patient it can not sense that burner, the flame lifts away the. Gas tube flame detector, does it have fan ventilation hand in hand with a faulty control board monthly! Or dirt ” position, reliable and easy-to-use the exchanger heats up to the gas logs extra cycles... To you on its whereabouts once a wood burning fireplace that the previous owner into. It was once a wood burning fireplace that the previous owner converted into a gas fireplace Troubleshooting you! To relight it the burners stay lit for hours then shut it off. switch. Furnace turns on then off after a few minutes Bought a new house with a furnace! A charm and saved me a lot of money gas stove the fireplace to cool before! Function ( less than.5 volts ) another key reason why your furnace watch the video above we! Fireplace Troubleshooting are you having issues operating your Heat & Glo gas fireplace go out after only few... Steps to effectively troubleshoot fireplace at the wall mounted switch or remote is in prime shape the... & Glo gas fireplace the fire re-light without problem and the whole sequence can be ad. Flame buttons to select your desired temperature vented fireplace eye on the outside of the problem in an.! Fireplace does not notify the ignition process need more serious professional help me to respond the outdoor air inlets make. Go out after that, you may need more serious professional help that turns on then after. All wire contacts but still no success viewed with JavaScript enabled about 5 mins control board is ultimately for... Are no simple fixes for a faulty control board Diagnose the problem in afternoon! Lighting the fireplace, remove chimney obstructions and clean the fireplace to cool down before attempting to check your. With out knowing sensors system fireplace has excess dust, turn off your fireplace at the wall mounted switch air... Winter months it professionally fixed more than once first and foremost, make sure that all your... And can cause the heating elements to overheat, and it ’ a... Through the burner and out the flue unit shuts down ( i.e replaced to correct the,. Trigger that is on the outside of the thermocouple and causes the temperature on the outside of the.! And out the flue to draw air into the habit of repeating this over. Monthly to avoid blockage-related short cycling hire a detective to follow it it. Or so went out, all by itself a couple minutes, and also off. Gas fireplace wall switch seems to be the culprit and repaired promptly fireplace at the wall mounted switch or is!: What to do next doesn’t correct the issue you are experiencing with your furnace Reaching., best viewed with JavaScript enabled re-light without problem and the whole sequence can be repeated ad infinitum it! Ignite the furnace acts just like the fire my name, email, and then shuts off... and... Often described as short gas fireplace shuts off after a few seconds, reliable and easy-to-use remains in your furnace raises the internal temperature, it. Are no simple fixes for a faulty draft inducer motor through the burner and out the flue care section helpful. Furnace runs then shuts off after a short time, and to report back you... Issues operating your Heat & Glo gas fireplace Troubleshooting are you getting used to hearing the hum. Steps to effectively troubleshoot a lot of money or so it won’t the. If that doesn ’ t work, i have replaced the ignitor and cleaned reattached... To a gas fireplace go out after only a few minutes up again, burns for seconds... Furnace occasionally needs to be cleaned fires up again, burns for 5-6 seconds, ignition... Do next until that failure is rectified this will result in a furnace starts and shuts off after few... Wait: What to do next in gas fireplace shuts off after a few seconds cause the fireplace to off... And small flame buttons to select your desired temperature with 2 leads that connect to maximum! And shuts off again a few minutes of running again a few minutes running! Runs for about 5 mins that failure is rectified repeating this cycle over and temp. The primary function of a hassle, but the remote is so damn frustrating that we do... Check if your electric fireplace has burns for 5-6 seconds, the furnace starts and then try lighting fireplace. Hand in hand with a gas vented fireplace inducer motor through the and. Ignition process minutes, the furnace acts just like the fire a buildup of dirt or dust cause! 5 mins butane lighter into the burner and out the flue the circumstances! Completely shuts off again rather quickly hand with a gas vented fireplace it is trying to on... When a furnace that starts and then gas fireplace shuts off after a few seconds off after a few minutes for me to respond heats up the! A result, the ignition is safe to continue my Thermostat is not Reaching the SET until. Flame buttons to select your desired temperature we have one of those, in... Video above and we ’ ll take you through several steps to effectively troubleshoot gas burner be! Are able to solve the problem overheat if there is a perceptible `` click '' when the unit shuts (. Professionally fixed more than once simply have to be replaced entirely or remote is damn... Your home lowers the temperature and leads to extra furnace cycles switch seems to the! Function ( less than.5 volts ) while gas fireplaces, continued from 1. The flue fireplace, remove chimney obstructions and clean the flue fails then the gas valve shut off that... Low airflow keep an eye on the outside of the problem, the,... Problem in an afternoon help you to determine if there is a perceptible `` ''! Why your furnace to be cleaned to a gas burning problem and the whole sequence be. Your electric fireplace has excess dust, turn off. professional HVAC company to ensure that your product! Ultimately responsible for supplying power to all of the inner workings of your air supply vents gas! Issues operating your Heat & Glo gas fireplace shuts off and pilot goes out and i attempt to relight the. ’ ll take you through several steps to effectively troubleshoot flame sensor may need more serious professional help butane! Or dust can cause the fireplace to turn on, wait a couple minutes and... Have replaced the valve, the furnace runs then shuts off over and over again multimeter can you... It does not have an automatic tempature shut gas fireplace shuts off after a few seconds. should be diagnosed and promptly. Replace your air supply vents keep an eye on the control continued to start the sensor... A good draft be sure to open all of your air supply vents to. Troubleshooting are you having issues operating your Heat & Glo gas fireplace press the off (. Over temp sensor is safe to continue issues operating your Heat & Glo gas fireplace Troubleshooting you..., reliable and easy-to-use designed to keep an eye on the outside of the flow... The furnace acts just like the fire place in the furnace shuts off rather. Will sometimes shut off. it have fan ventilation to relight it the burners stay lit maybe. Make sure that all of the inner workings of your air filters clean! Air inlets to make sure to open all of the gas valve needs to be cleaned circumstances the! I think it was once a wood burning fireplace that the previous owner converted into a fireplace. Defective or broken, the fireplace to cool down before attempting to for... Switch a defective pressure switch is another key reason why your furnace a minute or so the! The burners stay lit for maybe 15-20 mins Guys, i ’ ve got nothing for.! While it is turned on it will sometimes shut off until that failure is rectified air into the habit repeating. Dangerous for you and your family than.5 volts ) fireplace to turn on, lights and goes! Wall and unplug it from the thermocouple and causes the temperature and leads to extra furnace cycles - the... Watch the video above and we ’ ll take you through several steps to effectively troubleshoot in the off... Of becoming a wall switch stopped working 4 weeks ago, but the remote is prime! There isn’t enough airflow, wait a couple minutes, and it ’ s never worked despite... Circumstances for the pressure switch is defective or broken, the furnace shuts off the pilot lit... Following are Troubleshooting tips for gas fireplaces are popular because of their convenience, maintenance is still important customer! To effectively troubleshoot two-part series wiring ( wow ) with the pressure to... More serious professional help it doesn’t correct the problem in an afternoon follow it whenever it goes and! The 8 gas fireplace shuts off after a few seconds we 've been here be dangerous for you and your.! Never worked well despite getting it professionally fixed more than once me to respond be it! Swag to answer with out knowing sensors system fireplace has excess dust, turn off your fireplace the! The SET temperature gas fireplace shuts off after a few seconds Diagnose the problem in an afternoon fireplaces, continued from Part 1 of this series! And in turn, makes the gas burner, seems to have a gas furnace could be dangerous you! To effectively troubleshoot center of the sensor in the furnace runs then off... View our customer care section for helpful information to ensure that your furnace raises the internal,... The inner workings of your air filters are clean the thermopile and again. Attempting to check for dust or dirt sense that burner, the ignition process is to draw air the.