If the electrode is broken or worn out the spark may not occur. As power is applied to it a spark jumps from the spark electrode tip to the to the electrode shield, igniting the gas. The electrode is a device that sits right next to the burner. If the igniter does not have continuity, replace it.įor bake & broil burner ignition an oven burner spark electrode is used to ignite the gas. If the igniter does not glow at all, use a multimeter to test the igniter for continuity. If the igniter glows for more than 90 seconds without igniting the gas flame, this indicates that the igniter is too weak to open the valve. To determine if the igniter is defective, observe the igniter when the oven is on. If the valve does not open, the oven will not heat. If the igniter gets weak, it will fail to open the safety valve correctly. Second, the igniter gets hot enough to glow and ignite the gas in the burner assembly.
First, the igniter draws electrical current through the oven safety valve to open it. The igniter is the most commonly defective part for a gas oven that won't turn on.