Electrical Issues: Loose Wiring or Faulty Connections Electrical problems are one of the most common causes of a gas fireplace switch not working. If the wiring is loose or corroded, the signal won't reach the ignition system.
The most common reason for delayed ignition is a poor pilot flame. And the most common reason why a gas fireplace wont light when the switch is turned on is a dirty pilot burner. So I suggest you look carefully at the condition of the pilot flame for the likely source of your problem.
One of the most common reasons a gas fireplace won't turn on is often an extinguished pilot light. A strong downdraft, an interruption in the fuel line, or a build-up of soot and dust can cause the pilot light to flame out.
It's easy to know how to turn on a gas fireplace with an electronic ignition wall switch. Many gas fireplaces come equipped with a wall switch control panel for activating the unit and adjusting the level of the flame. Simply push the “On” button and the pilot should ignite.
If your gas fireplace refuses to turn on, begin to troubleshoot by checking that the gas supply valve is fully open. If it isn't, simply open it and try again. Then, ensure that the pilot light is lit – more on that soon. If the problem persists, examine the electrical components.
So what causes gas valve failure? Gas valves get worn out over time, or they can get damaged by excessive basement moisture or water seepage. However, there could be other culprits. A faulty ignitor, circuit board, or thermocouple could also keep your furnace from creating heat.
The wall switch sends an electrical signal to your fireplace to open a valve and release the gas for the pilot light to light it. Without power most fireplace valves will not open. I have a new home with gas fireplaces. I do not know how to use them yet, but I smell gas near one of them.
This can be an indication that your fireplace thermocouple is either bad or worn out. However, if your pilot is lit but the gas fireplace isn't, then there's probably a problem with your thermopile.
If you have a gas fireplace with a vertical pilot, it will light during a power outage because it does not require electricity to start the pilot flame. Most gas fireplaces incorporate a self-generating millivolt system using a thermopile.
One of the most common problems faced by homeowners with gas fireplaces is the pilot light going out or not staying lit. The pilot light is a small flame that ignites the gas burner, which produces the heat for your fireplace — if the pilot light goes out, your fireplace won't work.
Why It Matters: Obstructions in the burner or pilot area can block the flow of gas and prevent the fireplace from lighting. Troubleshooting: Inspect the burner and pilot area for dust, debris, or soot buildup. Clean these areas carefully with a soft brush or vacuum to ensure there are no blockages.
Turn the ON/OFF/PILOT knob to the 'OFF' position and wait for five minutes to clear out any residual gas. After waiting, press and hold the ON/OFF/PILOT knob. Then, press the igniter button repeatedly (as per the manual's instructions, usually for about 30 seconds) until the pilot ignites.
How do I fix a gas fireplace switch that's not working? Check for loose wiring, replace dead batteries or with a new switch, and ensure the gas valve is open. For more serious issues, like thermocouple failure, consult a technician.
If you flick the switch and nothing happens, you need to do an inspection. Bypass your switch and see if a current flows through your wires. Odds are, you need to replace the switch and install a millivolt switch. You may need to clean or repair a broken wire.
Common Signs of a Failing Thermocouple
Here are some common indicators: Difficulty Lighting the Fireplace: If you struggle to light your fireplace, or if it takes several tries to keep the pilot lit, it could suggest that the thermocouple is not sensing the flame correctly and is failing to keep the gas supply open.
Some of the possible serious reasons for pilot lights to go out include loose or broken gas valves, thermocouples or heat exchangers, faulty venting, low gas pressure, or high winds. If you believe there is a serious problem, don't hesitate to contact a professional.
Switch Failure
A faulty switch may not turn the gas fireplace on or off properly, leading to frustration and inconvenience. It is important to inspect and troubleshoot the switch to determine if it is the cause of the problem.
jerry : yes two wall switches are standard. One is for the fire and the other for the future optional fan.
Look for any signs of damage such as bends, cracks or dents. Stripped or worn: sometimes a fireplace gas valve becomes worn or stripped and won't fully close off the flow of gas. This is harder to identify, but you'll know if your fireplace is turned off and there's a smell of gas still coming from the valve.
Several factors can stop a furnace from igniting: Thermostat Malfunctions: Incorrect thermostat settings or a faulty thermostat. Fuel Supply Problems: Insufficient propane supply, closed valves, or leaks. Ignition System Failure: Issues with the pilot light, electronic igniter, or other ignition components.
If your furnace gas valve is stuck, there are a few things you can do to try and fix the problem. First, check to see if the valve is actually stuck by trying to turn it with a wrench. If it is stuck, you can try heating up the valve with a torch to loosen it. If that doesn't work, you may need to replace the valve.