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.
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Once the gas has had time to dissipate, turn the knob to “Pilot.” Then, hold down the “Reset” button and bring the flame of a long lighter close to the pilot light opening. This should light the furnace pilot light. Once you are sure the pilot light is on, release your pressure on the reset button.
Thereof, How do you relight a pilot light on a furnace?
– Find the pilot light assembly and its reset switch. The furnace’s pilot light is usually positioned at the bottom of the unit by a knob. …
– Set the reset switch to off. Turn the knob to the “Off” setting. …
– Wait a moment. …
– Relight the pilot light. …
– Observe the furnace.
Also to know is, Why is my Lennox furnace not working? Common solutions for: Lennox Furnace not heating. … If the igniter fails or cracks, the furnace won’t heat. To determine if the igniter is faulty, remove the igniter and inspect it for cracks. If the igniter is cracked, replace it.
Subsequently, question is, How do I reset my electronic ignition furnace? – Check the power: The power switch to your furnace should look like a light switch. Make sure it’s in the on position.
– Turn off the furnace: Turn off your furnace’s power and gas supplies. Wait several minutes for the gas to clear.
– Find the ignition button: Turn your furnace back on.
Also, 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.
How do you know if your pilot light is out on your furnace?
The most obvious sign of the failure of a pilot light will be a lack of hot water or warm air since the burner assembly can’t light and do its job of heating these substances.In many systems, a broken pilot light will prevent the appliance from working at all.
How do you diagnose a furnace problem?
– Clean or replace air filter.
– Troubleshoot thermostat problems — replace batteries if necessary.
– Set thermostat to heat and at a higher temperature than the current room temperature.
– Check electrical panel for blown fuses or tripped breakers.
– Make power switch near furnace is flipped on.
How do I fix the pilot light on my furnace?
What do you do when your pilot light goes out?
– Turn off your appliance at the power switch or thermostat.
– Find the gas valve control knob and turn it to select “pilot.”
– If pilot light controls are sticky, do not apply force or use oil. …
– Press the red button while simultaneously holding a match to the pilot burner.
How do you light a pilot light on a furnace?
Once the gas has had time to dissipate, turn the knob to “Pilot.” Then, hold down the “Reset” button and bring the flame of a long lighter close to the pilot light opening. This should light the furnace pilot light. Once you are sure the pilot light is on, release your pressure on the reset button.
Is it safe to light your own pilot light?
Yes, it is safe to light a pilot light with a gas lighter. First of all, make sure that your hands or clothes are not in contact with the burner. Then, turn the burner knob to the ‘pilot’ position. Now, keeping the knob in that position, light the pilot light using a gas lighter.
How do you know if your furnace has a pilot light?
If your furnace has a small round knob on the gas valve with the words OFF/ON/PILOT, you have a standing pilot ignition. … A small heat-sensing device known as a thermocouple makes sure gas flow is delivered to the main furnace burners only when it is warmed by the pilot light. Occasionally a standing pilot light will.
How do I troubleshoot my Lennox furnace?
– Start with the basics. Your thermostat may have been accidentally turned off, or may need new batteries. …
– Go around your house and check all the vents to make sure they are open and are not blocked by furniture. …
– Clean your air filters if you have not done so recently. …
– Check the gas burners. …
– Check the pilot light.
What would cause a furnace not to ignite?
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.
How do you reset an electric furnace?
– First, turn off the power supply to the furnace by turning off the breaker in the circuit box.
– Locate the reset button on the furnace and press it to reset the furnace. …
– If the button is popped up, press it down.
– Return the cover to the blower compartment and turn the power on.
How do you light a pilot light?
– First, locate the pilot valve on the furnace. …
– Find the gas valve and turn it to the “off” position. …
– Turn the valve to the “pilot” position.
– Press and hold the reset button.
– If the reset button fails, ignite the lighter.
Where is the reset button on a Lennox furnace?
– Turn off the power to the furnace at the circuit breaker. …
– Lift up the blower compartment cover to access the blower wheel and blower motor.
– Look for a small red or yellow button on the side of the blower motor.
– Press the reset button down if it has popped up.
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