Error code reference

Bosch Oven Error Code F111

Runaway upper (or single) oven temperature exceeding 650°F; may be caused by oven powered on while hot…

Runaway upper (or single) oven temperature exceeding 650°F; may be caused by oven powered on while hot, intermittent/bad temperature sensor, or heating element relay stuck on.

First step from the service manual

Allow oven to cool down below 650°F before turning power on.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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