Why Your Gas Fireplace Won't Light and How to Fix It

How to Troubleshoot a Gas Fireplace

If you suspect your gas fireplace is on the fritz (mainly that it’s not lighting), here are some ways to troubleshoot the issue.

Make Sure the Gas Is On

The first thing you should do if your gas fireplace won’t turn on is double-checking that the gas is actually on. Yep—it happens! Without any gas, your fireplace won’t be able to light. Check the main gas valve to see if the gas is fully operational. If your gas fireplace runs on propane, double check that the propane tank is still full.

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Give Your Gas Logs a Thorough Cleaning

While gas fireplaces don’t make as much of a mess as wood-burning fireplaces, you still need to clean them on a semi-annual basis. Gas fireplaces still generate debris from the flames that can cause issues with maintaining a warm fire. Before you start cleaning your gas fireplace, make sure the pilot light is off. Then with a cloth and fireplace cleaner work through cleaning the interior and exterior walls and logs. End with a quick vacuum inside the firebox.

Cleaning your gas fireplace can help ensure your fireplace works properly and is free of debris. If you want an even deeper cleaning or there is significant build-up, you can get in touch with a fireplace cleaning company near you for a personalized quote.

Purge the Air Out of the Pilot Tubing

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If the gas is on and the pilot hasn’t been lit in a couple of months, you might need to purge the air out of the pilot tubing. To do this, hold the pilot button down for about one to three minutes while the air bleeds out. If the pilot is lighting, but not staying lit, it could indicate that you have a worn-out thermocouple.

Test the Thermocouple

A thermocouple is a safety device that controls the gas valve to your fireplace. It senses the temperature of the fireplace and turns on or off depending on what it finds. If it does not sense any heat, it will automatically turn off.

This is typically a good thing, but when it malfunctions a thermocouple won’t pick up on any flame and your gas fireplace will have trouble staying lit. If you’re able to locate your fireplace’s thermocouple, you can check for any of the following damage:

• Restricted or blocked off airflow

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  No contact with the fireplace flame when turned on

• Any damaged tubing or wires

If you see any of the above, call in a professional to upgrade or replace it. While kits are available online, you don’t want to risk incorrect installation of this important safety feature.

Check the Spark Igniter

If gas is coming out of the pilot but it still won’t light, the spark igniter could be the problem. You should clear out any debris between the igniter and thermocouple. Blowing compressed air into the pilot area, waiting a couple of minutes, then trying again could help to fix the problem.

When to Call a Professional

If your own troubleshooting fails to solve the problem, you should call a fireplace service company near you for help. Most service calls for gas fireplaces cost about $100, and repairs for pilot lights cost $150 on average. Other gas fireplace repairs include loose connections, defective valves, or bad modules in electric ignition units. A pro will be able to pinpoint your problem and get it fixed, stat.

Source: https://gardencourte.com
Categories: Outdoor