What to check if furnace is not working?

What to check if furnace is not working?

Simply look for a standard wall switch on or near the furnace and check if it’s in the on or off position. You may also want to check your circuit breaker or fuse for the furnace, which may have been turned off.

Where is the reset button on my furnace?

Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor. Be cautious as the housing may be hot. If the button is popped up, press it down.

What do you do when your furnace doesn’t turn on?

Furnace Won’t Start FAQs

1. Check your circuit breakers.
2. Check your thermostat settings.
3. Ensure your furnace filters are clean.
4. Check your pilot light.
5. Check your blower motor.
6. Check the furnace ignition switch.

What do I do if my furnace is blowing cold air?

Check your air filter When a furnace overheats, safety sensors kick in and turn it off and then blow cold air to cool your furnace. If you notice cool air blowing and/or your furnace frequently turning off, a simple air filter replacement may do the trick. Do this: Regularly replace your air filter.

Can thermostat cause furnace not work?

1. Thermostat Issue. One of the first things to consider when your furnace isn’t working is that your commands are simply not reaching the machine, meaning there could be a problem with the thermostat you use. The issue could be as simple as a lack of power, as some need batteries to operate.

How do you turn your furnace back on?

How do you restart a gas furnace?

1. Turn the circuit breaker off and switch the furnace power button off too.
2. Access the pilot light by removing the access panel.
3. Turn the gas control valve off and let the gas dissipate for five minutes before turning it back on in order to prevent a fire hazard.