Even if gas is leaking from the pilot, the spark igniter could be the source of the failure. According to Alleyne, the igniter and thermocouple should be cleaned of any debris. Worthen says that if the pilot light comes on but does not stay on, the thermocouple is worn out.

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Why is my gas fireplace not igniting?

Check Your Thermocouple and Ignitor.The spark igniter and thermocouple may be malfunctioning if there is no blockage in the tubing and gas is flowing out. Make sure there isn’t any debris between the two. Changing the igniter if the pilot light starts but doesn’t stay lit is a possibility.

How do I reset my Lennox gas fireplace?

Restart the FireThere’s a manual reset button hidden inside the fireplace. It’s a small red button. Ideally, it should be positioned at the top of the fireplace, near the bottom. When you hear a soft clicking sound, remove the small screws holding the button in place. Attach the screws by releasing the button.

Why won’t my gas fireplace turn on when I flip the switch?

This voltage can be lost if dirty, corroded, or broken connections inside the switch are allowed to accumulate over time. In this case, the voltage that is sent back to the fireplace is insufficient to turn it on.

How do you ignite a Lennox gas fireplace?

The gas supply is “on” when the handle is in line with the gas line. The gas valve has been turned off. Page 6 of 6 LENNOX You need to locate the electronic ignition switch. The piezo igniter button should be easy to find in this area. A click will be heard as the igniter sparks the pilot burner when you press this button.

What do I do if my pilot light won’t light?

The thermocouple may be to blame if your pilot light won’t stay lit. Dust can build up on the thermocouple and prevent the sensor from working. Relighting the pilot light after cleaning the thermocouple may help. In that case, a new thermocouple may be required.

Can you light a gas fireplace manually?

From the “Off” setting, move the knob to “Pilot.” To start the burner, turn the pilot knob all the way to the “on” position. Repeatedly press the igniter button until it lights. Depending on how long it has been since the gas fireplace was last used, it may take several attempts to get it to light.