If the furnace doesn't have a power switch you can turn off, turn off the circuit breaker controlling the furnace, open the blower housing and locate the reset button
on the side of the blower motor
. Press it in until it clicks and then restore power to the furnace by turning the breaker back on.
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.
Knowing how to reset a furnace is an overlooked skill in the repertoire of many homeowners, and it's an important one whether you have a gas furnace, an oil furnace or an electric furnace.
Almost every furnace has a reset button
, which is typically located inside the blower housing next to the blower motor.
How do you reset a furnace after overheating?
- Turn down the thermostat to its lowest setting.
- At the circuit breaker, turn off the power to the furnace.
- If this is a gas furnace, turn off the gas supply at the valve for the main gas pipe, but leave the pilot's gas supply on.
- If the pilot light was out, light a match to relight it.
What would cause a furnace not to kick on?
Thermostat
. If your furnace is not kicking on, it can be an issue with the thermostat. You should first make sure that the thermostat is switched to the heating function. … You may also have an internal problem with your thermostat, which needs to be repaired by a professional.
How do you reset a furnace control board?
- Find the switch mounted on or near the furnace and turn the power off. …
- Wait about 10 seconds.
- Turn the switch or breaker back on and check the furnace to see that it has power again.
Why would my electric heat not work?
Your Furnace Produces Little to No Heat
If your electric furnace is running but doesn't seem to be producing enough heat, it could be caused by the thermostat being on the wrong setting, a clogged filter, dirty
air ducts
, or a major issue with the furnace.
How do I reset my central heating system?
To reset a boiler you'll need to find
and press the reset button
. Now, not all boilers can be reset in the same way. Some models only need a quick press of the reset button while others need holding for a number of seconds. The best way to find out how to reset your boiler is by checking the manual.
The purpose of the reset button on a furnace is
to shut it down before it can trip your circuit breaker
. The need for this may arise if the furnace becomes too hot, or if there is some sort of electrical system interruption. To get the furnace working again, you simply press the reset button back down again.
How do I get my furnace to kick on?
You can try to get the furnace to turn on
by setting the thermostat to as high as it will go
. Make sure the furnace is on. There will be a power disconnect switch next to the furnace. Yes, even gas furnaces use electricity.
What to check if your furnace isn't working?
- Change the furnace's air filter if it's dirty. …
- Check your thermostat. …
- Make sure the blower motor panel is shut. …
- Inspect your air ducts. …
- Make sure the gas valve is open.
Will a bad thermostat cause the furnace not to work?
Malfunctioning thermostat: A faulty thermostat can lead to problems with the fan or comfort levels. The
furnace doesn't heat at all
: A furnace that doesn't perform its main task may have problems with the thermostat setting, power, gas or the pilot light.
How long does it take for furnace to reset?
Either way, restarting a furnace is a relatively simple task that takes
no longer than 10 minutes to
complete. Follow these steps to reset your gas furnace: Turn the circuit breaker off and switch the furnace power button off too.
