How do you reset a gas furnace?

How do you reset a gas furnace?

Follow these simple steps:

1. First, turn off the power supply to the furnace by turning off the breaker in the circuit box.
2. Locate the reset button on the furnace and press it to reset the furnace.
3. If the button is popped up, press it down.
4. Return the cover to the blower compartment and turn the power on.

What would cause a gas furnace not to work?

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.

How do I know if my furnace ignitor is bad?

4 Signs of a Faulty Furnace Ignitor

1. The Furnace Stops Running. When a furnace won’t run at all, check for a bad ignitor.
2. Your Furnace Blows Chilly Air. Unless you’ve set your thermostat to COOL, your furnace should not blow cold air.
3. Does Your Furnace Short Cycle?
4. A No Glow Ignitor.
5. We Can Replace Your Furnace Ignitor.

Why is my furnace running but not igniting?

The Pilot Light (Faulty Ignition Sensor) The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. This is typically the problem if you can hear your furnace click on but it does not fire up. If the sensor or ignitor is dirty, it will need to be cleaned.

Do you have to relight furnace after power outage?

Restarting your furnace is common after a power outage, regardless if it was a brief flicker of lights, a brown out or an outage that lasted several hours or days. There are many ways to revive your furnace if simply hitting the reset button doesn’t produce results.

How do you troubleshoot a gas furnace?

Furnace Troubleshooting Recap:

1. Clean or replace air filter.
2. Troubleshoot thermostat problems — replace batteries if necessary.
3. Set thermostat to heat and at a higher temperature than the current room temperature.
4. Check electrical panel for blown fuses or tripped breakers.
5. Make power switch near furnace is flipped on.

What would cause a furnace not to light?

A number of reasons can cause the wall furnace to not light, including a damaged thermocouple, a clogged pilot orifice and a disconnected gas supply.

Does my gas furnace have a pilot light?

Gas furnaces now come with an igniter that works electronically to light the gas and heat the home. These newer furnaces do not use a pilot-light system as the older furnaces did. If your furnace is equipped with an electronic igniter, you cannot light the furnace manually.

Is there a pilot light on gas furnace?

The pilot light on your gas furnace utilizes a small flame for the purpose of igniting the gas burner when your furnace switches on. The pilot light on older gas furnaces must be lit manually and stays on continually, while newer models use an electronic ignition system that is safer and uses less gas,…

Why is my furnace pilot not staying lit?

The most common reason the furnace pilot light won’t stay lit. Bad Thermocouple. A furnace thermocouple is a safety feature that regulates gas flow to your system based on whether the pilot light is on. In simple terms, the thermocouple checks to see if your pilot light flame is lit and turns off the gas flow if it senses that your pilot light is off, so you don’t have gas building up in your home.