Error code reference

Bosch Oven Error Code F45

Upper (or single) oven latch reports both locked and unlocked simultaneously; defective or jammed door/latch…

Upper (or single) oven latch reports both locked and unlocked simultaneously; defective or jammed door/latch switches.

First step from the service manual

Check P4 connector on the Power Board.

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

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F45 on my Bosch Oven

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Upper (or single) oven latch reports both

From Service Manual 264852, p.24:

1.Check P4 connector on the Power Board.

2.Measure door lock assembly resistance across the PTC terminals. Expected: ~200 ohms cold, rising sharply once energized.

3.Inspect strike and latch alignment. A warped door or misaligned strike prevents the switch stack from closing in the correct sequence.

Part 00630783

Door lock assembly

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