Lighting the pilot light for a standing pilot gas system is possible whereas lighting the pilot for an electronic ignition system is possible if you have a backup generator or other source of power to power that circuit.
Carrier furnace electronic pilot light.
The pilot light is a small flame that is either lit manually and remains burning around the clock or is lit electronically via an igniter when the machine kicks on.
First you may want to turn the furnace off and disconnect the gas giving the air time to clear in case gas has been leaking out of the pilot.
If all systems are working then you re ready to try to light the pilot.
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Step 3 find the ignition button turn the furnace back on.
This system uses a pilot flame but the flame lights only when there s a call for heat from the thermostat.
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Hot surface igniters and intermittent pilots.
There are two basic types of electronic igniters in modern furnaces.
The most common reason for this problem is because the pilot light is not on.
A hot surface ignition system uses an electronically controlled resistance heating element not unlike a light bulb filament to ignite the gas burner.
Intermittent pilots still use a pilot light however it isn t a standing pilot light that remains on all the time to ignite the burner whenever the gas turns on.
The furnace s electronic control board activates an electric igniter that uses a high voltage spark to light the pilot.
An intermittent pilot system uses an electronically controlled high voltage electric spark to ignite a pilot light and subsequently the main burners when the thermostat calls for heat.
While older pilots burned constantly wasting gas automatic pilot lights come on long enough to ignite the gas supply and then shut off.
When your furnace fails to ignite the first place to look is the pilot light.
Lighting a pilot that is electronic ignition resources for gas heating gas heating for furnaces and boilers basics.
When the thermostat signals the need for heat an electric system creates a spark that causes the pilot to.
In turn the pilot lights the gas for the burners.
Comfort 80 newcomb and company to the original owner the carrier comfort 80 gas furnace is covered by a 10 year parts and 20 year heat eliminates the need for a pilot light reducing gas usage and promoting worry free operation.
Instead the pilot light only comes on when it needs to ignite the burner.