f45
Moderate
Bosch · Ovens & Ranges
Upper oven latch stuck in locked/unlocked position
Quick Answer
Error code F45 on your Bosch Ovens & Ranges means: Upper oven latch stuck in locked/unlocked position. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Door jammed or stuck
  2. Defective latch switch reading both locked and unlocked
  3. Mechanical failure of latch mechanism
How to Fix It
1
Turn off the oven at the circuit breaker.
2
Check if the door is physically jammed, stuck, or faulty.
3
Inspect the latch switches to ensure they are working correctly.
4
Verify that all electrical connections are made.
5
If the door is not stuck and all connections are good, the power board may need replacement.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Door latch assembly
Latch switch
Power board
Related Error Codes
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