Electrolux Membrane Keypad Wear or Contamination

Microwave keypad buttons are unresponsive or respond intermittently; no 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 membrane contacts, Moisture or grease under keypad, Damaged keypad ribbon cable, Faulty UI board

Safety: Unplug the microwave before working on the control panel.

User-level steps:

Clean surface: Wipe the keypad with a soft, slightly damp cloth and mild detergent. Do not allow liquid to seep into the edges.
Test pattern: Note which keys fail; if entire rows or columns fail, the membrane is likely worn.

Technician-level steps:

Remove the control panel and inspect the keypad ribbon cable.
Reseat the cable and test again.
Replace the membrane keypad or entire control panel assembly if keys remain unresponsive.

Medium 3/5

Membrane Keypad

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