Test gas fireplace pilot light
Why it matters
A failed thermocouple prevents pilot flame from being proven, causing the gas valve to shut off — or worse, allowing unburned gas to escape.
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How to do it
- 1
Locate the fireplace control panel and set the dial to 'Pilot' position.
- 2
Press and hold the ignition button while observing the pilot burner area.
- 3
A steady blue pilot flame should appear within 30 seconds.
- 4
Continue holding the button for another 20-30 seconds to warm the thermocouple.
- 5
Slowly release the ignition button while watching the pilot flame.
- 6
If the pilot flame stays lit after you release the button, the system is working.
- 7
If the pilot flame goes out immediately, the thermocouple has failed and needs replacement.