Blomberg Keypad / Touch Panel Failure

Microwave keypad buttons are unresponsive or respond intermittently; no specific error code.

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

Worn touch membrane,Moisture behind control panel,Loose keypad ribbon cable,Defective control board keypad interface

Safety: Unplug the microwave before removing the control panel.

User steps:

1. Dry the panel: If the issue started after cleaning or steam cooking, leave the door open and allow the panel to dry for several hours.
2. Power reset: Unplug for 5–10 minutes and test again.

Advanced steps:

3. Inspect ribbon cable: Remove the control panel and reseat the flat cable between the keypad and control board.
4. Replace keypad: If specific keys consistently fail, replace the touch control panel assembly.

Medium 3/5

Touch Control Panel Assembly

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