Q:

How do you troubleshoot a gas oven ignition?

A:

Quick Answer

The process of troubleshooting a gas ignition system varies based on what type it is. Pilot lights can often be fixed with a match or lighter, while electrical ignition systems might need to be manually tested. Knowing which type of electrical ignition systems is used is also important.

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Full Answer

Pilot light systems, which have become less popular over the years, are the easiest to test. Pilot lights burn constantly and are typically visible, although a cover on the bottom of the stove might need to be lifted. If the light has gone out, holding a lit match or lighter near the outlet can get it working again.

Hot-surface electrical ignition systems use electrical resistance to light gas. When the oven is turned on, the surface begins to glow as it generates heat, and the system sends gas across it once the amperage reading is high enough. If the wire doesn't glow, it likely needs replacement. Even a glowing wire, however, might not produce enough heat even if it draws enough amperage to trigger the oven.

Spark electrical systems function like a pilot system that relights automatically, so holding a match near where the flame is produced should light the system if gas is flowing. If not, the system may have a way to produce a spark for testing. If this doesn't work, the sparking mechanism, or entire unit, likely needs to be replaced.

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