If your thermostat is on the wrong settings, it may not trigger your furnace to turn on. An error with a programmable or digital thermostat could mean the furnace doesn’t think the house is cold enough to require it to provide heat. This can cause your furnace to turn off as a safety feature (to prevent overheating). Make sure the main gas line is turned on. A Denver Tech Explains. There are many common reasons for a lame furnace, including a lack of power, overloaded motor, no pilot light or no gas. This ehow is strictly for a forced air, gas furnace. If this sensor gets dirty, however, then it will not function properly and needs to be cleaned. Next, check for a circuit breaker on your furnace itself, or a light switch located right by your furnace – some units have redundant circuit breakers on your furnace itself, or a light switch that controls the power to your unit. My furnace will not turn on. Nobody wants to deal with their furnace refusing to turn on when it’s cold out. Troubleshoot your system with the following tasks: If you suspect power isn’t getting to the unit, check for a blown fuse or tripped circuit breaker. The more advanced your system is, then the more susceptible your system is to power outages. Give the furnace a minute or so for the fan and the heat to kick on. You go to the thermostat, turn up the heat, and wait…and nothing happens. specialist who may utilize auto-dial technology to contact you, even if the number you provided is on a do If it is operating properly, the condensation should drain out or be pumped out via a pump located in the pan or a collection reservoir (about a half gallon in size). Use the following steps: Set the temperature you would like – for test purposes, just set about 10 degrees hotter than the current temperature to see if the furnace turns on. If not taken care of, a faulty furnace could end up costing you more than just a furnace repair fee. Top 10 Heat Pump Brands of 2019 - Which is the Best Heat Pump Brand? Why Won’t My Furnace Turn On? Unplug Fresh Air Intake Motor (a MagneTek ). how much the units will cost, and the If you’ve gotten to this point, and still...your furnace won’t turn on...then it’s time to call in your local AC repair company. Why Won’t My Furnace Turn On? After a few minutes, the furnace shuts down (to pilot light only). If all else fails, it is best to call a professional to come and perform gas furnace maintenance as soon as possible. Think back to how your heating system ran at the very end of winter earlier this year. Should your system need to be replaced, here is another useful article: The Top 10 Furnace Brands. Ensure the furnace is off when replacing a filthy filter, and align it in the direction the furnace is blowing the air. Then, here is a brief video on how to clean your furnace’s flame sensor. Why Won’t My Furnace Turn On? listen to you, understand your current situation, and provide your consultation at no obligation. The fall breeze and crisp leaves are a reminder that winter is almost here in Rhode Island, and that means soon we’ll all be relying on our heating systems in order to stay warm. Section 2 – If Your Furnace Won’t Turn Off After Your Set Temperature Has Been Reached. Some of the most common explanations include: Troubles with your thermostat. For those of you who are "skimmers" when you read, here's a review of the troubleshooting tips we went through to troubleshoot when a furnace won't turn on: At the end of the day, it can be frustrating when your furnace won’t turn on. Thermostat error/malfunction: One of the first things to do when your furnace won’t turn on is to see that the thermostat is set correctly. If it is clogged, it has not been replaced as frequently as it should have! The easiest way to do this is to check another gas appliance in your house, such as your stove. Heat Pump Installation Cost 2019 - What's a Fair Price? This is why your furnace won't turn on. Plug motor back in. Hopefully you were able to get your furnace up and running again, but if you weren’t then unfortunately, it might just be time. Start by checking other electrical components throughout the house. Below are a few possibilities why your furnace doesn’t stay on and what to do about it. Why Won't My Furnace Turn On? These are also the most probable causes! 1025 Hanley Industrial Brentwood, MO 63144, Copyright © 2020 Hoffmann Brothers All rights reserved, Hoffmann Brothers Heating & Air Conditioning Inc. This causes the furnace to fire up, heat for a few minutes, and turn back off before it has had time to reach the target temperature. Would you like to see the best local offers and seasonal specials in the Century area? If you’ve read some of our articles, then you know that ASM-air started as a small, U.S. Veteran-Owned business that built its reputation on giving straight, honest answers; this article will be no different. The answer to this is usually no, but it’s still worth a quick read. Never reset a circuit breaker more than once – it is tripping for a reason, continuing to reset it not only won’t fix the problem, but runs the risk of damaging your system or starting a fire. Top 10 Air Conditioner Brands of 2019 - What is the Best Air Conditioner Brand? Check that the thermostat has power to it if your furnace won't turn on. what sized unit you will need, which brands consumers prefer, Why Won't My Furnace Turn On? Its clean now, but non-functional. If your furnace won’t come on, check the ignition sensor. If it does, then set the desired temperature and you're all done. A dirty sensor could be the reason why your furnace won’t stay on or even why your furnace won’t stop blowing cold air. We value your privacy. Check that the thermostat is in the “Heating” mode of operation. But if you follow the troubleshooting steps above, you will be able to find the problem about 80% of the time. Any advice would be appreciated. Go to the breaker (a grey metallic box or door usually found in a utility area) and see if the furnace’s breaker switch is in the middle position (meaning it tripped). If any of these circuit breakers are popped, reset them once (and only once!). However, I would definitely consult an HVAC technician before doing so. Your thermostat is responsible for telling your furnace when to turn on and off. Some thermostats will lose their programming and reset if they loose power, even for a second. Be sure to seek out a home furnace repair service provider if you are not trained to perform any of the troubleshooting techniques suggested. We can help you troubleshoot your furnace issue. Check Your Air Filter Clogged air filters are a major cause of furnace malfunctions. In order to troubleshoot the problem, we first need to diagnose the problem with your furnace. For more on the newest generation of thermostats, see: If your furnace won't turn on, here are the steps for checking the electrical input to your furnace. A clean filter shuts down ( to pilot light only ) could end up you! The last few weeks have proved that the chilly weather has arrived for the first step should be check... See if your thermostat is responsible for telling your furnace wo n't on! Thermostat is on the wrong settings, it is communicating with your system correctly, it has issues you call! Basically tells … Now put your furnace wo n't turn on, check to make sure you What. A filthy filter, and we 'd be happy to help report before you Talk to a Contractor company! Frequently as it should have some of the most common furnace problems is when the burners ’! 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