What would cause a gas furnace to stop working?

What would cause a gas furnace to stop working?

If your furnace does not heat at all. Thermostat malfunctions cause most heating system failures. Other causes include a tripped circuit breaker or blown fuse, or—in the case of combustion furnaces—a pilot light that has gone out.

What do you do when your gas furnace stops working?

Furnace Repair: 19 Common Furnace Problems (And How to Fix Them)

  1. Check Your Thermostat to make sure it’s ON.
  2. Furnace is Not Producing Heat – Try to Reset Home Circuit Breaker.
  3. Furnace is Not Producing Enough Heat – Check and Change Your Clogged Filter.
  4. Safety Switch on Furnace Door.

Where is the reset button on a furnace?

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.

Can a bad thermostat cause 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 do you reset a gas furnace?

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.

How do you reset a furnace after overheating?

How to Reset Your Furnace

  1. Turn down the thermostat to its lowest setting.
  2. At the circuit breaker, turn off the power to the furnace.
  3. 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.
  4. If the pilot light was out, light a match to relight it.

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.