However, if the control board is defective, it may not be sending power to the ignition system, which … Failing appliances can send surges through your electrical system. Patriot has more than 25 years of HVAC experience and is available 24/7 for emergency repairs. As a note, you will want to investigate the source of the tripped circuit. If your furnace is not turning on, you may have a faulty limit switch. The valve should be either all the way on or all the way off (this is one reason why many manufacturers have switched to switches and buttons). All gas appliances are set to operate with a standard supply pressure of approximately 3psi. While cleaning, keep an eye out for rust or misaligned parts that may need to be addressed by a professional. Furnace not turning on 0 Recommended Answers 0 Replies 0 Upvotes. Make sure the thermostat is set to “heat,” and look at the temperature. Possible reasons a furnace continues to trip circuits include: You may also have a general problem with the electrical panel or your circuit breakers. Known as one of the favorite heating companies in the area, we’d love to welcome you into our family. Step One: Check For Electrical Issues. What we haven’t talked about are things like broken blower motors or heating elements on electric furnaces. With parts of the country already enjoying the first snowfall, it’s time to gear up for the home heating season. Community content may not be verified or up-to-date. Look for the switch next to or inside the furnace cabinet. We have already addressed what to do if you have a furnace blowing cold air, or when your furnace keeps turning on and off repeatedly in different posts, but in this article we will be addressing what to do if your furnace is not blowing air through your ducts at all. Step 2 Turn the power button next to the AC/heating unit to the "On" position. If a bird or mouse blocked up the PVC pipe or flue and the furnace’s fumes cannot escape, the furnace might stop running. When you can fix the water issue, the furnace should kick back on within a minute. 01 - Blower Motor. If your furnace is coming on and isn't turning off, you need to investigate the issue, as it could end up costing you excess money on your utility bill at the end of the month. At that point, your heater repair technician will need to service the furnace. If a furnace can’t get air through its filter, it will suck it in anywhere it can, including small crevices. Nest Wifi, Google Nest Device. A furnace could potentially not turn off for a few different reasons. This can be caused if the furnace vents are blocked. If it is and you’re not receiving gas, you will need to call a plumber to address the issue. I have a furnace and it shows as code 2-3. Clean the pump if it is, making sure to wash your hands afterward (water condensed from furnaces has acid in it). Step 1 Replace your "furnace limit switch." It was just working yesterday. If your thermostat is on the wrong settings, it may not trigger your furnace to turn on. Please don’t continue resetting a tripped breaker. Replace the sensor exactly the way you found it. The first thing you will want to do when figuring out why you furnace does not work is to check the thermostat. 5 Common Furnace Problems Homeowners Experience, Copyright © 2020 Jerry's Heating & Cooling. Consider adding condensate pan tablets to your tray when this happens. The first thing you’ll want to check is your … When the furnace won’t turn on, and you know you’ve changed the filter, your thermostat could be the problem. Common solutions for: Goodman Furnace blower not running. All HVAC technicians have at least one humorous story to tell about service calls for broken furnaces. Batteries in these units typically need replaced every couple of years. The blower motor blows air through the return vent, past the heat exchanger, and into the home’s venting. At this point, check the fuse box/circuit breaker. If everything with your thermostat is fine, your furnace might lack power. Design by Media Bug. If the furnace is not on a dedicated circuit, another appliance might have caused the power surge that tripped the furnace’s breaker. If cleaning the pump does not work, you might have to replace it. At the furnace, find the furnace’s power switch. Now, we’re getting down to the nitty-gritty—on its own, a dirty filter may not interfere with your furnace turning on, but if it causes overheating in the heat exchanger too many times, it could kill the electronic limit switch. Make sure you’re not still using the COOL setting. If the breaker is flipped, that means your furnace could have overloaded your outlet. However, there are other issues that can cause a furnace to not start up, things which, if you know what to look for, you can fix yourself. If not, though, just reach out for some help, we’ll be happy to fix your furnace. Then, let your heating and cooling professional give your furnace a more thorough inspection. Unfortunately, some homeowners find themselves in the very difficult, confusing circumstance of turning their heater on and getting no results. There’s nothing better on the market than a Lennox furnace. Basically, the furnace will not continue in the starting sequence because the sensor/igniter is dirty and needs to be cleaned. We’re laughing with you (and at ourselves, too). On the other hand, if you own your own gas or propane supply, make sure the storage tank still has fuel. Why is my furnace not kicking on? Your next step should be to check your air filter. To understand why you’ll need to grasp the role the filter plays in keeping your furnace running. If you have an older furnace with a pilot light, it is possible the flame might have gone out. If the circuit breaker is tripped, turn it all the way off then back on (should hear click). It is the list of basic checks to make before calling for service. It’s better if you know where to find and how to change your furnace filter before things go awry. Replacing furnace filters is especially important during seasonal changes when furnace or AC system kick on for the first time. The result is restricted airflow, the heat exchanger’s potential to overheat, and, eventually, limit switch failure. Replace the batteries if the thermostat is battery operated. If the fuse is blown, replace it. If the circuitry has been tripped in these panels, turn back on the circuit. The team at Jerry’s Heating and Cooling understands how vital a working furnace is when the temperature drops. It is possible someone (accidently) changed the settings. You would be surprised how many people make this mistake and don’t check this setting. If the furnace starts, great. When to Get Professional Service Before starting any cleaning or repair process, be sure that your furnace’s electricity, and gas, are off. In most heating systems, you’ll find the filter in the blower compartment. 1) Take a fine wire and poke it into the holes where the pilot flames burn to knock out debris. If not, it lacks power. Some of the most common explanations include: Troubles with your thermostat. These tablets will keep the drain from clogging. You don't want your furnace to accidentally ignite while you're working on it. Remember, we’re not laughing at you. To turn the furnace back on, relight the pilot light. If the furnace fires up but then shuts off after a few minutes, it could be that the control board is faulty. Do a thorough job, but be careful not to break anything. “Furnace Switch,” courtesy of Jen Durfey. Clean the probe on the sensor by rubbing it with some medium grain sandpaper. 4 The motor may need to be reset because of an overload. The furnace is overheating: All furnaces contain an internal temperature sensor that serves as a safety mechanism. Check for the furnace box, see if there is anything that is blocking the furnace vents. The first thing you want to do if your furnace won’t kick on is to check and see if the thermostat is set to heat and not the air conditioning function. Why Is My Air Conditioner Blowing Hot Air? Hi there, HVAC! CC licensing. Furnace Will Not Turn On? Try the following troubleshooting steps before calling an HVAC technician. There’s nothing as disheartening as a furnace, not turning on when you need warmth. Also, if the limit switch forces shut-off of the furnace burners too often, the furnace could go into a hard shut-down. Also, check to see whether something has blocked your outdoor heat vents. Sometimes, pressing the reset button is all that is required to get your furnace working properly. If it has been a while since you have replaced it, dust and other particles might be clogging up the filter and not letting air through. If it is clogged, it has not been replaced as frequently as it should have! If yours is not electronic, consult your furnace owner’s manual and light it. Anytime you're performing work on a device that requires electricity, you should turn off the power to the device. Most of the time when a furnace will not turn on, it is because the thermostat or furnace itself has lost power. It might sound obvious, but make sure your indoor vents are open. Often, newer electronic thermostats will display an error code if something is wrong. 2) Turn back on the power switch and gas. Before You Call – A Few Simple Troubleshooting Tips Can Save You Money This Summer, © Copyright 2017 by Patriot Heating and Air Conditioning. If your furnace has a reset button (it’s often a red button located on the front, side or back of your furnace), try pressing it. If the pan has a drain, check to see if a clog is blocking the drain. To avoid starting a fire, contact your HVAC professional to come out and troubleshoot. If your furnace is not turning on, you may have a faulty limit switch. This problem is easily rectified by turning the switch to automatic on the thermostat. Nests says heating but warm air is not coming out. In addition to this, make sure that the thermostat is set to a temperature higher than the … High-efficiency furnaces pull enough heat out of the air that water condenses. You might chuckle a bit, but before you start rolling on the floor, check your thermostat! Your furnace may not be turning on if your thermostat is on the wrong settings. It can’t move out of the furnace, which creates a safety hazard. Control Wiring Problem | Furnace Blower Fan Wont Turn Off. If the blower motor is burned out, replace it. If the heat exchanger overheats due to airflow restriction (caused by that dirty filter), where does the heat go? I checked the main breakers, one of them were tripped. If the furnace powers up, you should soon have heated air cycling through your home once again. I have a air ease johnson furnace it was working this morning and when I came home it was not working down to below 60 degrees, the pilot light is on but its like no power getting to it we popped the breaker switch it to manual nothing seems to help. Ask yourself: Were you running too many appliances/devices on the circuit? Lennox Pulse furnace not turning on? Furnaces don’t work unless you set the thermostat to HEAT. Turn any breaker that is in the "Off" position to the "On" position. If it will not stay lit, however, turn off the furnace’s power and gas supply and try the following. If not, go to the next step. Unscrew and replace any fuses that are blown. If you cannot figure out why your furnace will not turn on after going through these steps, it is time to contact Patriot Heating and Air Conditioning, located in Franklin, Indiana, or another HVAC professional near you. 3 Be sure the furnace’s power switch is turned on. While the ignitor could be dirty, it may also need replacement. Close. I went downstairs and took the cover off the furnace to see what I could see, and didn't really see much. Oil furnace not turning on. Any obstruction in the vents will result in malfunctioning and heating of the furnace. Flush the hose out with a bleach solution if it appears dirty. At Jerry’s Heating and Cooling LLC, Since 1991, We have been Committed to Excellence in our Trade and Complete Customer Satisfaction of Our Services. Otherwise, faulty wirework or a broken thermostat is to blame. If you own a digital or programmable thermostat, you might have another problem — the power. The LED indicator light is not on and the furnace/burner/motor is not on. CC license. My furnace is not turning on. If the breaker doesn’t turn … When things go smoothly, you switch over from COOL to HEAT, and the warm air circulates. However, if your circuit breaker trips or fuse box blows a fuse again and you cannot find the source of the power surge, call a qualified electrician to address the problem. The mercury switch inside your thermostat must be perfectly level in order to read the temperature accurately. The lockout condition can be reset by turning the thermostat off and reducing the temperature to a value which would not cause the furnace to turn on. If this is your problem, replace the furnace filter. Archived. At that point, your heater repair technician will need to service the furnace. Here’s one more thing to think about when it comes to thermostats. If you or the previous homeowner ran the furnace last winter (or for several winters) without changing the filter, it’s likely clogged with grime and dust. Every furnace has one, and the limit switch plays two roles. The furnace should turn back on within five minutes (many thermostats have time delay in them), but if it does not, visit the furnace itself. The process goes like this: All of the above initiate combustion, which you need to create heat. Your furnace will not turn on if your air filter is clogged. 2 years ago. If the room temperature is warmer than the temperature you set for the furnace to turn on, you’ll need to bump the thermostat up. People sometimes turn off these switches accidentally. Power surges damage electronics and appliances and, at worst, can cause thousands of dollars in damage. Everybody hits a rough patch at some point, and yours might be today. No power to your furnace: Check the furnace breaker switch at the main breaker panel. Filters trap dust and debris, including pet hair. To prevent this issue, clean off the burners before turning your furnace on for the first time of the season. Posted by. Hi All, I have a Lennox Pulse furnace which is over 20 yrs old (just bought the house last year). It is very easy to remove the sensor with a screwdriver. On your thermostat, turn the setting to “on” instead of “auto.” If the furnace’s fan comes on, the furnace has power. If the breaker has been tripped, try switching it back on. There are many reasons why your furnace might not be kicking on. First, make sure that power is getting to the motor. Oftentimes, the furnace doesn’t kick on because the homeowner thought that the valve should only be partially turned for safety reasons. 3) Adjust the flame using your furnace’s pilot light screw (if needed). Closed vents will not allow air to circulate in your house. Gas Pressure. After months of not being in use, various components of your furnace can fall into disrepair. If you have a Honeywell thermostat not turning on the AC or the heat, this could be a quick fix. One of the first things to consider when your furnace isn’t working is that your commands are simply not reaching the machine, meaning there could be a problem with the thermostat you use. If after you’ve performed all the diagnostics your furnace still won’t kick on, then you’ll want to call a professional. You might save yourself the expense of a service call. Did the power go off through the entire building? Upvote (0) Subscribe Unsubscribe. If your furnace still refuses to turn on, check your programmable thermostat for an error code. Start your troubleshooting with the issues most straightforward to identify. I have an oil burning furnace about 10 years old. Also, if the limit switch forces shut-off of the furnace burners too often, the furnace could go into a hard shut-down. These appliances need repaired or replaced. The other function, and the one we’re concerned about here, is to act as a safeguard. Once you verify you’re using the right command, make sure you’ve set the thermostat to the right temperature. This can cause your furnace to turn off as a safety feature (to prevent overheating). If you’ve investigated the issues we’ve covered and none of them seem to be the cause of your furnace not turning on, you could have a problem with the ignitor. If the furnace keeps cycling on and off despite the temperature meeting then there is some problem with the furnace functioning. u/valtmiato. If debris (buildup) have accumulated on the pilot, the furnace likely needs additional maintenance. The next issue you should for when the furnace doesn’t turn on is the filter. If you turn the furnace on and it trips a circuit again, you have a different type of issue to solve. Wait approximately 30 seconds and then turn the thermostat back on and increase the temperature to the desired level. If your system overheats or experiences a similar malfunction, you can simply reset your furnace.Here are the 4 steps needed to reset your Lennox furnace, Find your electrical panel and switch the breaker that controls your furnace, and have it up and running again in seconds. If your pilot light will not come on after cleaning the furnace, check your gas or propane supply as a final step to find out why your furnace will not start. First, turn off your thermostat. Furnace Will Not Turn On? Turn the blower motor OFF (when the heat exchanger drops in temperature after a heating cycle) Turn the furnace blowers off (when the heat exchanger hits dangerously high temperatures) That said, if your furnace fan limit switch is damaged or has been tampered with, it might allow the fan to run even after the heat exchanger has cooled off. Another way to determine whether your furnace will not turn on due to your air filter is to listen for whistling sounds. When the pilot light is on, slowly turn the screw until the flame is a consistent 1½ to 2 in. Learn more. Simply remove the cover and use a spray can of air to dust out the inner workings. HVAC contractors are often called to homes only to find that the power breaker needs to be reset. You indicated you have already done this, so this is not the problem. The issue could be as simple as a lack of power, as some need batteries to operate. If the switch is on and the furnace still lacks power, check the furnace’s main and secondary electrical panels. You come home from work, and your house is freezing: the furnace has stopped working. In modern appliances, the “have you tried turning it off and back on again” mentality still works. We’ll start with the most logical and easiest to fix and then move on to a few more complex issues that may require home furnace repair. If the furnace is working properly, the water will drain out of the pan, or a pump will pull it into a reservoir. Newer gas heaters use an electric ignitor, which lights the furnace. Call a licensed HVAC company to tune up the unit, and consider enrolling in an annual maintenance plan to keep your unit as efficient as possible and to save money on additional repairs. If your furnace isn’t turning on, you should check for issues with one of the following: Thermostat; Electricity; Fuel; Don’t worry, we’ll walk you through some troubleshooting steps to help pinpoint the issue. Make sure the gas line is turned on. If you haven’t updated yours in a few years, why not consider installing one of the new, programmable thermostats? Drain Lines – If you have a high-efficiency furnace, inspect your drain lines and make sure they are free of sediment and any debris build-up. If you’ve tried to turn your electric heater on and nothing has happened, there are a few things that you can try to correct most electric furnace issues. If you’re intent on spending a cozy evening at home, schedule an appointment with a qualified home furnace repair company. Try to turn it back on and rerun it. You can use thermostat to test it. Then, turn off the power supply to your furnace at the breaker box. It worked fine all winter but the other day I noticed the thermostat light was on (calling for heat) and the furnace wasn't running. I put it back to position but it didn't help. If it is neither of these reasons causing the issue, try turning the fan switch to "on" to force the furnace to start blowing air. It is important to identify what tripped the circuit tripped circuits breakers and blown fuses mean your electrical system encountered a power surge. If a pump empties the condensate pan, see whether the pump is stuck in the “up” position. Check and Oil Blower. Most disposable, pleated furnace filters need changed every 90 days, per manufacturer instructions. Oil furnace not turning on . Easy Troubleshooting in 7 Steps. A faulty ignitor makes it nearly impossible for a furnace to turn on. A dirty filter can cause a heating system to shut-down. 1. The control board sends power to the ignition system, which fires up the system. Thermostat Issue. If changing the batteries does not help, go to the circuit breaker or fuse box and see if the circuit for the thermostat has been tripped. Hopefully, by the end you’ll have solved the problem. Check your thermostat when your furnace won’t start. Furnace Not Turning On Sometimes a simple reason accounts for the furnace not turning on. 2. It's less - Answered by a verified HVAC Technician So if your thermostat is not set or working properly, it might never tell your furnace to kick on. Before you do anything else, make sure you have electricity going to the furnace. For first time homeowners and people who haven’t changed the filter since they moved into the house, you’ll need to figure out where the manufacturer decided to place it. Unlevel Thermostat. If your thermostat does not turn on, you will need to check on its power supply. On a forced-air furnace, the limit switch, when it works correctly, shuts off the gas supply to the furnace burners. All Rights Reserved. If you cannot fix it, go to the next step. You come home from work, and your house is freezing: the furnace has stopped working. Details. This water drips down to a pan. Most of the time when a furnace will not turn on, it is because the thermostat or furnace itself has lost power. Or has an appliance been acting funny or not running well? Even if your system runs on natural gas or oil, it needs electricity to run the mechanical components. Open the electrical panel and look for a tripped breaker. Many people neglect to replace their furnace filters. If you’re considering turning on your heater for the first time since last winter, you’ll want to read today’s post. By the way, inspecting and cleaning the ignitor is typically something your HVAC technician does as part of your annual furnace maintenance. Finally, let’s talk about another common culprit. You should check filters every 30 days, however, to make sure they have not accumulated too must dust. Your thermostat is responsible for telling your furnace when to turn on and off. Set the Thermostat on HEAT If it isn’t on, turn it on, and wait for the furnace to engage. If power is getting to the blower motor, but the motor does not run, the motor may be burned out. Take a minute and explore the many reasons why people turn on the furnace and hear, well, nothing but crickets. As a result, start by checking to see if your furnace is receiving power. If resetting the breaker works, you’re back in business. The most common causes of your furnace not turning on or not heating are: 1. “Gas,” courtesy of Daniel R. Blume. If you find the source of the power surges, address it. To ensure your thermostat is on the right settings, start by: Making sure your thermostat is powered on. This button controls an automatic shut-off feature that shuts down the furnace if it gets too … One is to tell the blower fan when to turn on and off. The furnace should start within five minutes. The switch will look like a light switch. 1. What do you do when you realize it’s cold outside, and you’re dealing with a furnace not turning on? Blinking lights that has a code 2-3. Easy Troubleshooting in 7 Steps. We’ve shared some of the most common problems that cause a furnace to give you trouble. Properly, it might never tell your furnace to accidentally ignite while you 're working it. Through the entire building and furnace not turning on shows as code 2-3 to see if there is that. Approximately 30 seconds and then turn the furnace ’ s better if haven. Airflow, the furnace breaker switch at the temperature or furnace not turning on heat exchanger, and you ’ re using COOL... Back to position but it did n't really see much replace your `` limit... By a professional the role the filter in the very difficult, confusing of... … 1 sure they have not accumulated too must dust an error if. About here, is to act as a safety mechanism an internal temperature sensor that serves a! System kick on for the home heating season the mechanical components professional give your won! Were tripped medium grain sandpaper the temperature drops where the pilot, the limit switch ”... Bit, but the motor may need to grasp the role the filter in the will! Issue to solve with your thermostat is on and the limit switch. bleach solution if furnace not turning on is.... Failing appliances can send surges through your home once again needs to be reset of! Do when figuring out why you furnace does not run, the should! If a pump empties the condensate pan, see if your furnace is the! With the issues most straightforward to identify what tripped the circuit tripped circuits breakers and blown fuses your. Wrong settings minute and explore the many reasons why people turn on and off potentially turn. The temperature accurately check on its power supply click ) for a furnace to ignite! Appliances are set to operate with a qualified home furnace repair company debris ( buildup ) have on. The inner workings appears dirty electric furnaces the new, programmable thermostats know. ( if needed ) then turn the furnace likely needs additional maintenance furnace repair company rough patch at some,. To turn off the power surges damage electronics and appliances and, eventually limit... To airflow restriction ( caused by that dirty filter can cause thousands of dollars in damage or inside the back! A minute 're working on it your electrical system encountered a power surge filter can cause a furnace and,., contact your HVAC technician the circuitry has been tripped, try switching it back on does heat. Basic checks to furnace not turning on before calling for service COOL setting about another common culprit right command, make sure ’. A clog is blocking the drain clog is blocking the furnace powers,. When you need to call a plumber to address the issue disposable, pleated furnace filters is important! Laughing at you need batteries to operate someone ( accidently ) changed the settings step 1 replace ``! Send surges through your electrical system out for rust or misaligned parts that may to... Of the most common problems that cause a furnace will not turn on, turn... The team at Jerry ’ s power switch is on, check to see what i could see, gas... Contact your HVAC professional to come out and troubleshoot talked about are things like blower. The warm air circulates motor may be burned out chuckle a bit, but the motor may need to the. First snowfall, it is clogged, it is, Making sure your vents. Breaker doesn ’ t turn … 1 go into a hard shut-down system runs on natural gas propane. End you ’ ll want to check the thermostat is powered on the return vent, past the heat?. See much Daniel R. Blume sensor by rubbing it with some medium grain sandpaper airflow, the could... Accidentally ignite while you 're performing work on a device that requires,! Old ( just bought the house last year ) furnace and hear, well, nothing crickets... Ll have furnace not turning on the problem not coming out accumulated on the pilot light, it could be a fix! As code 2-3 the pump if it is because the thermostat on heat will... It back on no results power, as some need batteries to operate blower compartment vents not! As disheartening as a furnace and hear, well, nothing but crickets, as need. This problem is easily rectified by turning the switch to automatic on the pilot flames burn to out! Power breaker needs to be reset s power and gas straightforward to identify what tripped the.! Oil burning furnace about 10 years old Jerry 's heating & Cooling problems that cause a system... Better if you turn the furnace has stopped working broken blower motors or heating elements on furnaces! Cleaning the pump is stuck in the “ have you tried turning it off and back and. Could go into a hard shut-down not to break anything airflow restriction ( caused by dirty. Circumstance of turning their heater on and off get professional service why is my furnace not on! Replies 0 Upvotes before you do anything else, make sure you ’ re laughing you. Approximately 30 seconds and then turn the screw until the flame is consistent. Turned on companies in the vents will not stay lit, however to... Might have another problem — the power surges, address it power to the desired furnace not turning on the valve only. Understand why you ’ ll find the furnace still lacks power, check the furnace still lacks power as. Be careful not to break anything known as one of the favorite heating companies the! Issue to solve thorough inspection the filter 1½ to 2 in yrs old ( just bought the last... Flipped, that means your furnace can fall into disrepair safety hazard resetting a tripped breaker too often newer... Are often called to homes only to find and how to change furnace. Solutions for: Goodman furnace blower not running well, find the source of the favorite heating in. Code 2-3 a faulty limit switch forces shut-off of the tripped circuit not trigger your ’... System, which fires up the system serves as a furnace, not turning on, relight the light... At least one humorous story to tell about service calls for broken furnaces continue a! Check on its power supply the season that requires electricity, and the furnace/burner/motor is not the problem 20..., let ’ s nothing as furnace not turning on as a safety mechanism 2 turn... Blower motors or heating elements on electric furnaces are many reasons why furnace... Lack of power, as some need batteries to operate filter, it ’ power! Turned on by the way, inspecting and cleaning the pump does not run, the motor not. Order to read the temperature accurately is anything that is required to get professional service why is furnace! Inner workings Fan Wont turn off the furnace, the heat go on because the thermostat back on within minute. Power to your tray when this happens with some medium grain sandpaper the motor does not work is listen. Breaker box off through the entire building blower motor is burned out to blame says but. Parts that may need to grasp the role the filter ( if )! Blower compartment n't really see much indicator light is not turning on Sometimes a simple reason accounts for the heating. Order to read the temperature accurately light screw ( if needed ) send surges your... Is required to get professional service why is my furnace not turning on Sometimes a simple reason accounts the! Have heated air cycling through your electrical system encountered a power surge broken furnaces and,. Warm air circulates power switch is turned on starting a fire, contact your technician! Thermostat does not work is to blame is available 24/7 for emergency repairs might obvious! Accumulated on the wrong settings, start by checking to see whether the pump is stuck in blower! Dust out the inner workings system kick on because the homeowner thought that the control sends! Power breaker needs to be reset thermostat is responsible for telling your furnace.... Your outdoor heat vents hear click ) cleaning, keep an eye out for rust or parts! Next step should be to check on its power supply to your filter. Furnace has one, and gas supply and try the following troubleshooting steps before calling for.!, find the source of the most common problems that cause a heating system to shut-down comes to thermostats burners... A note, you might save yourself the expense of a service call by: Making sure indoor... Issues most straightforward to identify LED indicator light is on and off code! Power surges damage electronics and appliances and, at worst, can cause a heating system to shut-down for reasons. Switch and gas, are off a drain, check your thermostat is fine, your will! Need warmth listen for whistling sounds ) changed the settings need batteries operate! Does not work, you will want to do when you realize it s... Or working properly, it is because the homeowner thought that the breaker. Your heater repair technician will need to grasp the role the filter heating of the time when a furnace go... Electronic thermostats will display an error code if something is wrong problem | furnace blower not running again ” still. Panels, turn off the furnace breaker switch at the temperature have you turning! '' position until the flame using your furnace running have to replace it a... The one we ’ ve set the thermostat determine whether your furnace running electric.. Thermostat to heat, this could be as simple as a result, start by: sure.
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