How Do You Fix The Ignitor Problem On A Furnace?
Most furnaces use an igniter and flame sensor to ignite the gas and supply heat to the home. When the igniter fails, the flame sensor will shut the furnace down and cut the gas supply off. This is the reason most furnaces will fail to operate. You can fix an igniter problem on a furnace by replacing the igniter. Once you have a replacement igniter, your furnace will work again. Turn the power off to the furnace by turning the emergency switch to the off position. The emergency switch is on the wall near the furnace and resembles a normal light switch. It is red. Open the burner access door by lifting up on the door handle and pulling the door away from the furnace. The igniter will be next to the burner assembly and the flame sensor. Disconnect the wiring harness from the igniter. Press in on the wiring harness locking tabs with your fingers to separate the harness from the igniter wires. Use a nut driver to remove the two hex head screws that secure the igniter to the furnace. Pull th
