Why is my gas heater not lighting?
If your furnace won’t ignite, the source of the issue may be a broken flame sensor. The sensor is responsible for turning off the gas burners to avoid gas buildup. Once this component starts to malfunction, it may stop the burners from igniting altogether.
How do you reset a gas wall heater?
Just how to Reset a Gas Heating System Turn off the power supply to the heater by turning off the breaker in the circuit box. Shut off the major gas supply to the heating system, leaving the pilot gas supply line on. Relight the pilot light by holding a lit match to the pilot flame opening.
Is there a reset button in my heater?
All furnaces are equipped with a reset button. They are generally red or yellow and are located inside the blower compartment. The reset button is a safety feature that will shut down the furnace when a problem is detected, often a hot or overheating furnace, before it trips the circuit breaker.
How do you fix a pilot light on a gas heater?
How to Fix Your Pilot Light
- Find your gas valve.
- You need to turn the valve to the off position for at least three minutes.
- Once you have had the valve at off for a few minutes, switch it over to pilot setting.
- You will need a match that is lit.
- Set the pilot valve to the on position.
Why is my gas wall heater not working?
If your heater’s not working at all, check for a tripped breaker or blown fuse. Reset the breaker or replace the blown fuse, if necessary. If the problem isn’t with the breaker box, examine the unit’s wiring for loose connections.
How do I know if my thermocouple is working?
Test the Thermocouple If the thermocouple is working, you should be able to measure 30 to 40 millivolts of voltage at the connection end of the tube when the pilot flame is on. You can test this yourself using a multimeter, but you may need a helper to keep the pilot flame burning while you do it.
Where is my flame sensor?
A furnace flame sensor is a very basic part of your furnace. It’s located on the burner assembly and is just a thin metallic rod. It’s usually bent, and it sits just in front of the pilot flame inside the furnace.
Why does my heater need to be reset?
The basic purpose of a reset button is to serve as a safety feature. It helps shut down the furnace when the furnace is too hot. This essentially prevents the overheated furnace from triggering the circuit breaker. As noted above, a furnace may need to be reset sometimes, such as when it is too hot.
What causes a pilot light to not light?
Common Reasons Your Furnace Pilot Won’t Light There are several possible reasons why your gas furnace pilot won’t light: an ongoing draft, a faulty thermocouple, an accumulation of dirt, or an inefficient supply.
How do you clean a thermocouple on a wall heater?
How to Clean a Pilot Light
- Cut off the gas to your furnace.
- Remove the pilot light and thermocouple assembly.
- Use your pliers or wrench to remove the pilot light and thermocouple from the bracket.
- Using the wire brush, brush away the carbon buildup and soot from both components.