Why is my furnace losing flame?
When the thermocouple senses that the flame isn’t hot enough, it shuts off the flow of gas so that your home isn’t filled with flammable gas. If the thermocouple malfunctions, it can incorrectly shut off the gas, which your furnace won’t stay lit.
What to do if your furnace is not working after the power goes out?
Check to make sure that any GFI outlets attached to or near the furnace have not tripped. To fix this problem just press the reset button on the GFI outlet. Lastly, if the power was out for more than 5 minutes you may want to check that the thermostat did not reset.
Why does my furnace not ignite when I Turn on the heat?
5. 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.
Why does my GFI keep tripping on my furnace?
This is even more common with furnaces installed in basements where there may be water. Power outages can cause these outlets to trip. Check to make sure that any GFI outlets attached to or near the furnace have not tripped. To fix this problem just press the reset button on the GFI outlet.
What happens when you hit the reset button on a gas furnace?
When you do hit the reset button on your furnace, do so one time only. Repeatedly and quickly pressing the button will actually engage your furnace’s safety lock. Your unit could also lock up if it was subject to repeated power outages.
Why does my gas furnace stop working when the power is out?
Because the gas valve has shut, the gas cannot flow and ignite, meaning the heat will stop working. There is an exception to this rule, however. If you have a generator, you will likely be able to use your gas furnace during a power outage.
How to fix a furnace that is not igniting?
1 Turn off power to the furnace. 2 Take off the furnace door, and locate the igniter. 3 Remove the two screws holding it in place, and gently pull it out with or without detaching the wires. 4 Be careful NOT to touch the “stick” part of the igniter. 5 Gently sand all sides until the soot has been removed.
Can a furnace be restarted after a 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. Before you call an HVAC company to examine your furnace, do some troubleshooting.
How do you turn off a gas furnace?
Almost every furnace has an electrical component. Even gas furnaces use electricity to power the fan and motor. Start by shutting off your furnace’s electrical components. Look on the exterior sides of your furnace for a light switch.
