Bomann Timer Memory / Power Stability Issue

Oven clock resets to 00:00 after every power cycle or sometimes during cooking

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Weak internal backup capacitor on timer board, Power supply instability on main board, Loose mains connection, Faulty display/timer PCB

Safety: Disconnect power for internal checks.

Steps:

Inspect and tighten the mains terminal block connections.
Check for signs of overheating on the display/timer PCB and main control board.
If other functions are stable but the clock always resets, replace the display/timer PCB.
If the entire oven loses power intermittently, investigate house wiring and the main control board power supply.

Medium 3/5

Display/Timer PCB

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