Even if the pilot light is on if the gas valve is off, do not expect the fireplace to ignite. Always check the main gas if it is turned on. If it is on and does not work its thing, the gas valve might be faulty. Ask a technician to come and replace it because a faulty gas valve is a major fire hazard.

What would cause a gas fireplace not to ignite?

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 minutes, then trying again could help to fix the problem.

How do I turn on the main burner on my fireplace?

Quote from the video:
Quote from Youtube video: And it does so back to pilot push in free light hold it in until it gets hot enough the thermopile by the way sends a an electrical impulse to the gas control valve telling it. That.

How much does it cost to replace a thermocouple on a gas fireplace?

between $150 and $250

When replacing a thermocouple or thermopile with the help of a professional, you can expect to pay between $150 and $250.

How do I know if my thermocouple is bad on my gas fireplace?

Quote from the video:
Quote from Youtube video: You should replace the thermocouple. So to recap the readings to look for are 8 to 30 millivolts. And if the readings are less than 7million. You should replace the thermocouple.

How do I clean the igniter on my gas fireplace?

Quote from the video:
Quote from Youtube video: Bottom taking a look inside you can see the parts where the spark is supposed to emanate from and right here we have a thermocouple. And that just measures the temperature. Right.

Can I manually light my gas fireplace?

Some gas fireplaces come with electronic ignition wall switches, which are easy to use. Just turn the On button, and the pilot should startup; if not, you will have to light the pilot manually.

How do I reset my electric fireplace?

SOLUTION: Turn all switches to the “off” position and unplug the unit from the wall for five minutes. After five minutes, power everything back on.

How do you test a gas fireplace switch?

Quote from the video:
Quote from Youtube video: A fast way of checking to see if the main burner is not coming on because of the switch circuit is to put a jumper wire around the valve.

How do you check if a thermocouple is working?

Quote from the video:
Quote from Youtube video: If I take my wire and attach it to anywhere along the sheets of the probe. I attached to the sheath and I'm getting continuity this is a grounded thermocouple if this was an ungrounded thermocouple.

Is a thermocouple expensive?

Remove the burner assembly and detach the thermocouple. The No. 1 cause of pilot lights that won’t stay lit is a worn-out thermocouple. It’s easy to replace and a new one costs $5 to $10.

Does cleaning a thermocouple help?

Remove the thermocouple from the process assembly, using a steel wool or emery cloth, lightly clean the tip removing any build up. Cleaning a thermocouple is not a fix for an issue, such as inaccurate readings.

What are the symptoms of a bad thermocouple?

If you can’t get the flame to light at all, and you’re sure the gas is on, there’s probably an obstruction in the pilot tube. If the flame lights and goes out when you release the gas control knob after holding it in for the recommended 20 to 30 seconds, that’s the sign of a thermocouple malfunction.

How do you replace a thermocouple on a fireplace?

The only tool you need to replace a thermocouple is a wrench. Turn off the gas supply to the gas valve. Use the wrench to unscrew the connector that holds the thermocouple to the gas valve, then unhook the probe from its clip and pull out the entire thermocouple assembly.

How long does a thermocouple last on a gas fireplace?

Thermocouples can last up to 10 years if properly installed and maintained, while furnaces can last 15-20 years, although either may wear out sooner in multifamily units.

How much does it cost to replace thermocouple?

Thermocouple – $20 to $150

The thermocouple is an apparatus that senses whether the pilot light is lit and triggers the gas control valve. Repairs typically cost about $150 to have it done professionally, though a new thermocouple itself only costs about $20 on average.

What causes a thermocouple to burn out?

Soot buildup on the thermocouple may block the flame. Under constant exposure to a hot flame, a thermocouple wears down over time. Even a slight residue can make the thermocouple malfunction.

How do you clean a thermocouple on a furnace?

Quote from the video:
Quote from Youtube video: Use a soft abrasive pad or emery cloth to gently clean the outside of the thermocouple. Be careful not to scratch the coating. Next insert the thermocouple into the pilot assembly.