Hot surface igniters and intermittent pilots.
Carrier furnace electronic pilot light.
If all systems are working then you re ready to try to light the pilot.
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A hot surface ignition system uses an electronically controlled resistance heating element not unlike a light bulb filament to ignite the gas burner.
The furnace s electronic control board activates an electric igniter that uses a high voltage spark to light the pilot.
When your furnace fails to ignite the first place to look is the pilot light.
When the thermostat signals the need for heat an electric system creates a spark that causes the pilot to.
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Step 3 find the ignition button turn the furnace back on.
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.
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Pilot free savings and reliability.
The most common reason for this problem is because the pilot light is not on.
In turn the pilot lights the gas for the burners.
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.
One type of electronic ignition is an intermittent pilot.
There are two basic types of electronic igniters in modern furnaces.
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.
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.
This system uses a pilot flame but the flame lights only when there s a call for heat from the thermostat.
Lighting a pilot that is electronic ignition resources for gas heating gas heating for furnaces and boilers basics.
Instead the pilot light only comes on when it needs to ignite the burner.
