![]() If it won’t light, there are two further things to check. Move the appropriate breaker to the off position and then back to the on position. Replace a fuse if it’s blown or reset the circuit breaker if it is tripped. If it’s on a circuit with other appliances, an overload can blow the fuse or circuit breaker. The fireplace should have its own circuit. Replacing it is a job for a certified gas technician.įor fireplaces ignited by a wall switch or by an electronic ignition device, the next step is to check the fuse or circuit breaker that powers the ignition. The thermopile translates heat from the pilot light to electricity that opens the gas valve so the gas logs can light. ![]() If the pilot light won’t stay lit, the thermopile may have weakened over time. After you clean and replace the pilot light device, it should burn with a strong blue flame, and it should ignite the fire logs. If the pilot light device is burning with a yellow flame, turn off the gas valve to the fireplace, take the pilot light device apart and clean it. If the pilot light is out, follow the manufacturer’s guidelines for re-lighting it. If the vent free gas logs or vented gas logs still will not ignite, the most likely culprit is a dirty pilot light, or a pilot light that is not lit. Check Ignition If Gas Fireplace Will Not Ignite It also suggests that the problem is in the ignition system. If the logs light and stay lit, that proves that you have a supply of fuel and that the jets in the fire logs are not plugged by carbon build-up. 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. Is the gas valve near the fireplace open? If the fireplace runs on LP gas, is there fuel in the LP gas tank? Is the valve at the LP gas tank open? If the fireplace runs on natural gas, make sure any valves between the meter and the fireplace are open. If your gas fireplace won’t light when you turn it on, check the fuel supply. Check Fuel Supply If Gas Fireplace Will Not Ignite Let’s troubleshoot these two critical elements if your gas fireplace will not ignite. Our goal is to help educate our customers in Eastern North Carolina (including Wayne, Johnston, Greene, Lenoir, Pitt and Duplin Counties) about energy and home comfort issues (specific to HVAC systems).Gas fireplaces need two things to work: fuel and a means of igniting the fuel. To learn more about pilot light safety, contact Jackson and Sons of Eastern North Carolina. Orange or yellowish flames indicate a problem. Pilot lights should always burn with a blue flame. If there’s a big buildup of gas, vacate the home and call emergency personnel. If you have a malfunction and you suspect gas is being emitted into the home without being burned off, open all the doors and windows in the home, and have it checked out by a professional. Pilot lights should be professionally inspected every year in any furnace, old or new, to make sure parts are working right and that ignition is occurring properly. To keep this from happening, the pilot light tube should have a valve to cut the gas to the pilot light when the flame blows out.Ī part called a thermocouple uses the heat of the pilot light to generate electricity to power a sensor in the valve, which detects whether the pilot light is lit or not. ![]() There’s a potential for gas to collect inside the home, then be ignited by a spark or flame and explode. When the pilot light flame blows out on an older furnace - which they sometimes do - the gas just keeps flowing from the pilot light tube. It’s not hard to see how pilot lights might be a cause for concern. The pilot lights of modern furnaces are ignited by an electric spark. When there’s a call for heat, the flame lights the burners, starting the combustion process.Ī few decades ago, you lit most furnace pilot lights with a match at the start of heating season, and then turned them off when summer came around. Do you know how these pilot lights differ from those in newer models in terms of pilot light safety? How Pilot Lights WorkĪll pilot lights emit a small jet of gas that, when lit, burns off the excess gas. It’s likely that furnace has an old-style pilot light for ignition. So your older furnace is working fine and you’re not ready to replace that furnace with a newer model.
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