What to Check When Furnace Won’t Ignite Check the Ignition Sensor. The thermostat isn’t set correctly. The safety precautions in a gas furnace can also prevent the furnace from turning on—which is a good thing! Examine the pipes that allow for air intake to make sure they are free of all debris and other types of blockages. Atwood Furnace Won't Ignite. Here's what happens: The exhaust fan kicks on for 10 seconds or so, then the ignitor starts glowing bright red for 5 seconds or so, the gas does NOT kick on ( I don't hear a click or anything). Turn the furnace off and leave the house. Don't let this happen to you. I don’t believe I hear the gas valve opening or the igniter working either. If you have a furnace with a standing pilot light, step 4 won’t … If your furnace won’t come on, check the ignition sensor. 919-480-2727 BOOK NOW. Oil Furnace Repairs and Replacement in Scranton, PA & Wilkes-Barre, PA If you need oil furnace maintenance, repairs, or replacement , contact T.E. Spall & Son for professional oil furnace services. Questions about repairs and parts for Coleman furnaces, air conditioners and heat pumps for manufactured homes. Coronavirus Update: We care about your health and continue to service our customers safely. When your furnace won’t kick on, check to see if the pilot light may have went out. Sometimes, this is the only problem that you need to fix, and things will go back to normal. You can do some troubleshooting yourself when you’re furnace will not ignite. The spark igniter will spark (click) for about a minute trying to ignite the flame. Hi. Going through the elimination process could help you get it going again and shorten the period of time you go without heat. Furnace Trane XL80 - not heating at all, won’t ignite - Repair in Morgan Hill, CA. The number of attempts is slowly increasing. Check to make sure the furnace filter is clean. So it goes without saying that if the igniter refuses to work, your Atwood hydro flame furnace won’t light. Draft inducer motor starts. Normally, this is an electrical issue. Click here for Coleman parts. 9 posts • Page 1 of 1. garlinto. 25.11.2016 The ignitor fades off. Here are three reasons why your furnace won’t ignite. If you have a direct ignition furnace, you won’t have a pilot light. Gas furnaces now come with an igniter that works electronically to light the gas and heat the home. This usually solves the problem. Only change is a new meter regulator installed by the utility company a few months ago. To fix the furnace that won’t start, turn off the power to the furnace-and turn off the gas. Electronic Ignition Gas Furnace Problems and Troubleshooting. But the furnace will still need to be repaired before you can enjoy heat from it. Remove the front panel and look for the igniter/sensor. Stop immediately if you smell gas. After you activate the furnace, the igniter would generate sparks and ignite the propane gas. Trane Electronic Ignition furnace won't light. At this point the furnace won’t try to start again unless I cycle the thermostat off and on as mentioned above. You turn the thermostat and… nothing. Schedule Service Today. The Goodman furnace may not be receiving an adequate gas supply if the glow ignitor turns on, but the furnace cannot ignite. Why Won’t My Furnace Ignition Fire? If it is the main culprit then you need to resolve the matter. However, there are several different causes that could be keeping your furnace from lighting that a homeowner can check. 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. A furnace technician can remove the burners and clean them. This seems like a no-brainer, but checking your thermostat should be the first step in getting your furnace to start. The blower comes on after a few moments, but no ignition - just cold air. Before you attempt to fix a furnace that won't start, make sure you know what kind of furnace you have. There are a few things that this could be such as: A pilot light problem; A failed thermocouple; A … This problem can be observed when the intermittent pilot or the direct ignition of the main burners ignite and then extinguish itself right away. 4) Outside where I can see and hear and smell I turn it on, T stat calls for heat, fan starts, delay, gas valve opens with good loud sharp SNAP and you smell gas out the exhaust BUT SHE DONT IGNITE. So, before proceeding to diagnose the cause, you need to confirm whether the RV heater runs on electricity or propane gas.. For an electric furnace, insufficient battery power or blown out fuse is usually responsible for ignition failure. If your furnace won't ignite, there could be a few issues at hand. The furnace blower will start it’s purge cycle, then shuts down without the gas igniting. Your furnace will still have a flame sensor, but it will be over the burner’s flame. If your furnace is located by a door leading to the outside or you had a fan running near your furnace, the breeze could have extinguished the pilot light. The first solution while dealing with a faulty igniter is … Discussion Starter • #1 • Jan 4, 2010. I have a hydrotherm HC165E furnace that won't ignite. RV Furnace Blower Comes on but Won’t Ignite. Troubleshooting: 4 Reasons Why a Furnace Won’t Ignite. Clean them out if it is at all possible. Find the gas supply valve next to or behind the furnace and rotate the valve to the "Open" position, typically by twisting counterclockwise. Or, it could be that your furnace as a whole may just be broken. To determine this, turn off the thermostat. If your furnace is an electronic model with an automatic ignition for the pilot light but it won’t light, there may be an issue with the ignition. There are also times when the RV furnace might ignite, but the blower won’t deliver the hot air or delivers a weak stream of air. My heater has always worked but just recently when I turn the heat up I hear the furnace turn on and the blower ignite but it won't blow any air out. Problem: Furnace will not ignite the gas to produce heat for your home. The blower and propane solenoids are working fine and I'm getting a 63-65 volt reading on the igniter wire using a digital voltmeter (with the igniter wire connected at both ends). 1. Post Wed Nov 07, 2007 3:45 am. We will perform a thorough diagnostic check of your home’s oil furnace provide reliable furnace repair or replacement at a price you can afford. Other times, the pilot light is still on, but other parts of the furnace could be malfunctioning. 2. 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