Bosch Control Logic / Power Interruption

Timer does not count down correctly or resets during cooking.

Safety Warning

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

Glitches in microcontroller firmware, Unstable low-voltage supply, Faulty encoder or timer buttons, Electrical noise from failing motor or heater relay

How to Fix / Troubleshooting

Safety first: Unplug before internal work.

Steps:

1. Power cycle: Unplug for 10 minutes to reset the control logic.
2. Dedicated outlet: Use a dedicated outlet to avoid voltage dips from other appliances.
3. Inspect control board: Check for loose connectors and signs of overheating on the control PCB.
4. Replace control board: If timer issues persist and other components test good, replace the main control board.

Repair Difficulty

Hard 4/5

Required Part

Main Control Board

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