The thing about gas fireplaces is that they rarely offer a flashing sign that says what the problem is. Always open the tank valve slowly. It also suggests that the problem is in the ignition system. This is harmless and should pass after a few fires. The part is cheap - $8 to $30 for most models – and it can save you from being without heat at some point in the middle of winter due to a failed igniter. Slowly turn on the gas at the tank. link to How To Remove A Bathtub Without Damaging The Tile (Do This! After a few seconds, hot air will then flow out of the vents in the rooms of your home. Cleaning your hot surface igniter requires a small screwdriver and fine-grit sandpaper made for metal. If you look at the bottom of your furnace you will see a tray where the burners are. When this is the case, it can reduce the overall reliability of your fireplace as a whole. It can be a very frustrating experience that literally leaves you out in the cold. For this reason, leaving the pilot light on is the best idea. The oldest way is by a pilot light and over the last 30 years or so these have been replaced by electronic ignition systems. Like anything else in this work, the thermocouple can wear down over time and stop working. Pilot light/flame issues The pilot flame may not be hitting the thermocouple properly due to an incorrect mixture of gas and air. If your fireplace is new, there may be what is known as “off-gassing,” caused by residual factory paints burning off. If the gas is open and you have a spark but the pilot won't light, the pilot tube may be blocked. The second problem is quite a simple one, the wire that is position in the gas to spark it, is metal, and metal can move in heat, so if you see a spark but it takes while to light, then the reason is because the spark wire has moved away from the gas, so it will not light until more gas has entered the fire and makes it easier to spark. If the burner does not spark, see Gas Surface Burner Does Not Ignite. Hold for 20 seconds. If you are successful with one of these and get your furnace to come on, you may just save yourself quite a bit of money on an otherwise costly HVAC service call. I reckon it could be a faulty valve not letting the gas through now and then. Tips On How Not to Be Left Out in the Cold with Your Furnace, How to Troubleshoot Top 12 Furnace Problems, How to Tell if Your Furnace Ignitor Is Bad & Where to Buy One, Zero Breeze Mark 2 Portable Air Conditioner Review, 6 Best Outdoor Ceiling Fans for Patio and Porch, Top 6 Window Heat Pumps Reviews and Buying Guide 2021. 2. If a cold draft blows the pilot out on a regular basis, relight the pilot and check out the vent cap. How To Remove A Bathtub Without Damaging The Tile (Do This!). Start the pilot. If this doesn't work give it a second try. During this routine maintenance session, your HVAC service person will check over the entire system to make sure it's running OK and clean critical furnace ignition parts. Your pilot light is located to one side of this tray just slightly above it usually. 3. Take the cover off your furnace and look for one or two lights. Answer Save. There are times, however, that the vent cap will not only be present but completely secure. The sparking tip of the ignitor must align with the opening of the lighting tube or fuel may not reach the spark gap. Some but not all of the gas fireplaces out there will come with an electronic ignition. i cannot light my gas fire it will not spark to light gas? There are also issues with insects and spiders that lay their nests inside of the pilot tubing, particularly in rural areas. This is an important step for propane gas users because if you call an HVAC technician before doing this they will charge you for a service call. Check the pilot. Check the main gas valve. Not only will it help you find the issue, but it will help you to become more accustomed to your gas fireplace. Good igniters typically read in the 40 to 150 ohms range, or perhaps up to 200. If it continues to extinguish the flame, replace the vent cap; if you don’t have one, call in a service technician to perform the installation. The spark electrode sends a spark to ignite the gas in the burner assembly. Remove the two screws holding it in place, and gently pull it out with or without detaching the wires. This is quite a dangerous thing, as with open fronted fires, this can mean you have to risk allowing a big build up of gas before sparking. If it shows about 120 volts, there is power to the igniter. Debris in the spark gap could short out the electrode. If done properly, the light should start the instant that the flame is close enough to do so. All of these screws into a designated port on your gas valve. Often times the reason air does not get to your furnace’s igniter is because it is restricted. You would be surprised at just how often this is the culprit for a gas fireplace failing to start. Buy a new ignition generator. Any suggestions would be appreciated. If igniter does not work the we would replace the igniter box. Always start by checking out the breakers and fuses if you have a modern house. Can you be more specific about how to clean a furnace igniter? In this case, consider that the potential cause is a blocked orifice. I have a Truma S3002 gas/electric heater fitted in my Bailey Arizona. Causes and How to Fix It. Your range repairman will ignite the stove with the lights off to test it. 1. First, check to see if your pilot light is lit. When they’re getting power, they begin to glow, eventually becoming red-hot, hot enough to ignite gas. 2. Unscrew the thermocouple. Make sure to hold down the pilot button for 20 seconds or so before releasing it to give the thermocouple the appropriate amount of time to heat up. If the pilot flame is not large enough when burning and all other conditions are good, the amount of gas coming out is insufficient. So, being able to troubleshoot the issue is of the utmost importance. Relevance. Check for debris. Subject: The experts in the article. This is an old electric start westinghouse heat and air unit. Most people know when the cold season in their area is. The good thing about most gas appliances is that they all have shared design features. Basic Troubleshooting Tips for a Gas Stove with 1 or more top burners that are not lighting. Clear out clogs or blockages. If there’s no key there, like the one below, then perhaps the manual has it. Keep your fireplace on a single breaker if at all possible. Take it out and then go to your local HVAC supplier and have them match it up with a new thermostat. Extend the life of the thermopile and your gas fireplace in general by having regular maintenance performed, once a year at least. Repeated clicking in small intervals usually means your igniter is not coming on and working. There are some very simple troubleshooting steps, that anyone with even a light mechanical background can do themselves. These error codes include a bad flame sensor or an electric ignition module. The most common time to have your furnace fail to ignite is the first time you go to use it after it has not been used in a while. I have a 2001 haired gas heater the green light is on but gas want come through the ignition I replaced thermostat, I have a 2001 Haier gas heater gas ignition want come on I replaced thermostat green light is on having problems with the gas not coming though ignition. Either issue will prevent the fireplace from remaining lit. Sometimes it will light ok but usually he has to leave it for hours. Unscrew the thermocouple from the gas valve and then set your multimeter to register millivolts. If gas is reaching the fireplace, but it still won’t light, the next step is to light the gas jets on the gas logs, manually, following the manufacturer’s instructions. This furnace troubleshooting step will help you rule out whether the igniter is the cause of the gas furnace not igniting or starting. When the inducer motor comes on, use the leads on the meter, one on each igniter connection. With an electronic furnace igniter switch, your furnace is safer and does not use the small amount of gas that a furnace with a pilot light does. Turn power off,then repower. Okay, we said “related,” but in all honesty, this is pretty much the same problem. The pilot light systems are actually the most common reason that gas fireplaces do not light, however. If the igniter sparks yellow or orange instead of a bright bluish-white, you will likely need to replace the igniter. The problem with the ignition when used with gas is that the automatic ignition does not stop sparking when a flame is established.. Turn the burner on and then off if not lit after 10 seconds. The thing to keep in mind is that the pilot can go out for a lot of reasons that have nothing to do with the thermocouple. These igniters are located in about the same position as where we described the pilot light as being. If you can clean it, you can replace it. If your igniter has stopped clicking the answer can be easier than you think. Favourite answer. Gas valve isn’t energized No gas = no ignition. This resets the furnace. Gas heaters, whether they warm up air or water in a home, rely on a pilot light to trigger the flame of the actual heater. If the air in your system is not flowing it cannot produce the required gas/air mixture and your home heating system will not ignite because of it. Check the following if the unit has power but is not lighting. After that, you will hear the swoosh sound of the gas igniting. If you’ve checked the breaker and are satisfied, the next place to go is to the electronic ignition check or perhaps a fuse depending on your model of fireplace. If you suspect the smell is gas, and the pilot light is on, you may have a gas leak. The furnace will operate normal until room is warm and thermostat is up to heat. If you hear a clicking coming from your stove and take a closer look, you may notice that it is also sparking continuously. Gently sand all sides until the soot has been removed. So if the gas valve is shut, the spark igniter has nothing to ignite and just keeps sparking. There is nothing quite like setting the mood and getting things toasty warm by the fire in the dead of winter. Your grill should now heat normally. When the thermocouple is working properly, you will be able to measure between 30 and 40 millivolts of voltage near the connection portion of the tub with the pilot flame on. If the air in your system is not flowing it cannot produce the required gas/air mixture and your home heating system will not ignite because of it. If the smell persists, check that your chimney is not obstructed and is cleaned. There will also be a gas pressure gauge. This may be caused by insufficient volume due to the setting of the valve BUT if it has been working fine in the past and if nobody has reduced the valve setting, then it is much likely to be the cause. Using a multimeter, you can check this for yourself but may need to have a helper to keep the pilot burning as you do so. If it isn’t you have plenty of time to get it fixed before you need to use it. If the power is fine, check the electronic ignition or possibly replace the fuse. It’s much easier to determine if your furnace is getting gas if you are a liquid propane user. Gas Heater Pilot Light Troubleshooting. Sometimes it can be as simple as a faulty fireplace vent cap. Also, is that the same thing as a hot surface igniter? If igniter works then switch is at fault. One of the most common problems when a fireplace is not on a loan breaker is overloaded circuitry. If you still can’t find a chart showing what the flash codes mean, search online for your furnace’s manual using the model number. My heater will not light, what do I do? None of the sounds we just described will take place because your broken thermostat did not communicate with your furnace that it’s time to come on. Again the best time to do this is a month before your areas cold season hits. New thermal coupling was put on, when I let the pilot button go the flame get really low, but stay’s light, when I turn on heat piot goes out. Check the resistance of the igniter. For those uninitiated with gas fireplaces, it may sound confusing to hear that there are electronic components within. If the burner has been well cleaned and other gas stove repair has been done and the igniter still won’t light, then it could the one causing the problem. Here is a word of caution though that you really need to pay attention too. I have the same issue. Turn off the furnace before trying to do this step! If it reads higher, consider it bad and replace it. It could be as simple as an issue with the gas regulator that is located at the tank or perhaps a stuck valve. 1 I did get the pilot to re-light (saw the pilot light through the window), but I was not sure that I did it correctly (not sure why). How to Avoid Being Ripped Off and Get a Fair Price. Unfortunately, there are times where the fireplace just doesn’t work. Remove the filter or filters, turn off power to the furnace, and then turn it back on. Did you ever get an answer ? Consider watching YouTube videos on how to clean the orifice at the pilot light … Light the grill. It uses a thermocoupler system. Now, we can not only watch live television without the need for... Troubleshooting a Fireplace That Stops Working. When your gas fireplace won’t light, but you have a spark ignitor, there are a few things that you can do to resolve the issue. 3. 3. If you smell gas near your furnace when you turn it on there is a good chance that your gas supply is not the problem. Dirty or Wet Burners Some codes definitely relate to furnace ignition problems. Ryan Womeldorf has more than a decade of experience writing. If the filters are a little dirty and I want to determine if they are the problem, is it safe just to remove them and try to light the pilot? Flash codes are a series of light “blips” using one or two lights. It has no thermostat. To troubleshoot ignition problems for burners on a contemporary gas stove, it's important to understand the basics. Is this something easy to fix or will it be an expensive call out for a Gas Safe engineer If we had the fire in our workshop we would initially short circuit the terminals that are connected to the switch in the gas valve. This feeds the gas through to the igniter to get the fire lit, and can frequently get blocked up with grease or any other kind of debris. You will also hear a clicking noise that is a sign your heater system is trying to come on. Check your gas isolation valve to make sure the supply is actually on, then check that there are kinks or obstructions in the gas line itself. If it’s not, maybe it just blew out. If this gas pressure gauge reads 25 or above then you are ok; if not call your gas company for a fill-up and you have probably solved the reason why your furnace did not start up. One of those instances is where the pilot light is on but still won’t light. Again, if the flame sensor thinks the flame isn't lit, the spark igniter sparks again and again until it gives up. Be careful NOT to touch the “stick” part of the igniter. Any ideas chaps? Before doing anything, look at the pilot flame. Each furnace’s flash codes are different. Just give the burner a thorough clean, sticking a toothpick, needle, or other similarly sized tool through the hole to clear it up, and pop it back on to your stovetop. None of this will happen of course if your thermostat is not working properly. Sounds like the circuit board? That service call is not going to be free for sure; this is especially true if it’s after normal business hours. He loves to blog about construction, plumbing, and other home topics. Replaced gas valve and operates perfectly. When you stop and think about it, technology is pretty great. Look under your furnace and see if your igniter glows when your furnace tries to start up. Of course, when your gas furnace fails to ignite you can pick up the phone and call your HVAC repair person. I am puzzled. This will sometimes get rid of carbon that has built up around some sensitive ignition points and is keeping the system from coming on. The valve can get turned off and forgotten about quite easily. Another thing to try is lighting the pilot light yourself if you don’t see a flame. The entire point of the thermocouple is to keep your pilot lit. A gas furnace burns a mixture of air and natural or LP gas. Check the gas regulator. 1. If the spark electrode is defective or worn out, it might not produce a spark, or the spark might be too weak to ignite the gas. If burners are sparking but not lighting, the product has power. My gas fire may light but it will not stay alight. And, of course, the pilot light itself could simply blow out. Try lighting the pilot. When working the clicks are well defined. I have a Nordyne gas furnace with no gas flow. Gas control button. Clear debris. Troubleshooting a Gas Furnace When It Fails to Ignite One of the first steps in determining why your furnace is not igniting is to make sure it’s getting gas to it. First, you need to turn off the gas to the furnace. An orange or yellow spark as opposed to a clean bluish-white spark means that the igniter needs to be replaced. 1 decade ago. A recently as a decade ago, we all had to use traditional cable methods. Hi, my father has a Baxi Bermuda VP2 gas fire which has recently started having problems. To keep the regulator from sticking again, turn off the grill's control valves first, then turn off the tank valve or natural gas supply line. It’s OK to run a gas furnace for a little while without a filter in place. The pilot light systems are actually the most common reason that gas fireplaces do not light, however. They have the experience and equipment to pinpoint most heater problems in just a matter of minutes. I have a multimeter. After a minute or so, place a lead on the connector and the other lead on the shaft of the thermocouple. I read somewhere on this forum some time ago that one side of the ignition circuit has to have a good "Ground" connection to the heater body and I have done this. The first place to start when your pilot light is on but you’re still not getting a flame is with your breakers and fuses in a modern home. Try to reignite the pilot it by following the fireplace manufacturer’s instructions. 2. In the top center of it, there will be a domed area where its fill valve is. The first thing that you should do is to check the main gas valve. Thans if you can shed some light on this problem. Clear away the debris and try it again. Once you have done all of the above steps and your furnace still is not igniting you don’t want to try any other furnace troubleshooting unless you really know what you are doing with furnace heating systems. Here’s the full guide. 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