I have a dual-oven Maytag range, model MGT8775X. At the top, there is a short oven with a broiler burner on top, and at the bottom there is a full-sized oven. A few days ago all three burners stopped lighting (bottom burner in both ovens and the top, broiler burner in the top). The display indicates that the oven is heating. The stove-top burners light without any problem so I have gas and power.
Some research suggests that a high-temperature igniter can fail, preventing the oven from lighting but it defies reason to me that all three igniters would fail at the same time.
Any thoughts what to try next to diagnose the problem?