Bomann Keypad Wear or Contamination

Microwave keypad buttons are unresponsive or require very hard pressing to register.

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 membrane contacts, Moisture or grease under keypad, Damaged keypad ribbon cable, Faulty control PCB input

Safety: Unplug the microwave before removing the control panel.

Step 1 – Clean keypad surface: Wipe the keypad with a soft cloth and mild cleaner to remove grease and dirt.
Step 2 – Dry thoroughly: If the keypad has been exposed to moisture, allow it to dry completely.
Step 3 – Inspect ribbon cable: Remove the control panel and check the flat cable for cracks or corrosion. Reseat it firmly.
Step 4 – Replace keypad: If specific keys remain unresponsive, replace the membrane keypad or entire control panel assembly.

Medium 3/5

Membrane Keypad

Check Price on Amazon

We may earn a commission from links on this page.