Mell Why does my pilot light keep going out after replacing thermocouple?
Most of the time the reason a pilot wont stay lit is that the pilot orifice and pilot burner are dirty and need to be cleaned. Clean those first before doing anything else. It’s routine maintenance that needs to be done in any case.
Why does the pilot light on my furnace keep going out?
If your furnace pilot light keeps going out, it’s likely you have a broken thermocouple in your gas furnace. The thermocouple is a rod that comes into physical contact with the flame in your system. When this component is not able to detect the flame, it will close the gas valve to prevent a gas leak in your home.
How do I reset my thermocouple?
Press the reset button on top of the box to turn on the pilot light. Hold the reset button between 30 to 60 seconds to give the thermocouple time to heat up. Release the button to see if the pilot light goes out. The pilot light should stay on after the reset.
Is there a way to test a thermocouple?
Select the ohms or resistance option on your multimeter. Place one test lead on the side of the thermocouple and the other to the end that screws into the gas valve. If the thermocouple has proper continuity, a small resistance reading should be visible on the multimeter.
Why does my furnace pilot not stay lit?
The pilot won’t stay lit on my furnace, when I release the button it just goes out. This started occurring after I did some gas plumbing and had to relight the pilot. I suspected the thermocouple and replaced it, but this didn’t fix the problem.
When to replace a gas thermocouple pilot light?
A faulty thermocouple should be replaced. Older gas appliances may have pilot lights that provide instant ignition when the gas is turned on. The pilot light is a small open flame that is fed by a steady flow of gas. Problems occur when the gas flow is obstructed or misdirected, or when the pilot is blown out.
Can a thermocouple be replaced on a furnace?
I suspected the thermocouple and replaced it, but this didn’t fix the problem. I’ve used this furnace for over 15 years without replacing the thermocouple. Can someone recommend the next best course of action to keep my pilot lit?
What happens when a gas thermocouple goes out?
©2006 Publications International, Ltd. The thermocouple is a safety device; it shuts the gas off if the pilot light goes out. A faulty thermocouple should be replaced. Older gas appliances may have pilot lights that provide instant ignition when the gas is turned on. The pilot light is a small open flame that is fed by a steady flow of gas.