Avanti Keypad / Membrane Failure

Microwave keypad buttons do not respond or only some keys work.

Advertisements

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.

Advertisements

Possible Causes

Worn membrane keypad, Loose keypad ribbon cable, Moisture damage, Failed control board input circuit

How to Fix / Troubleshooting

Safety: Unplug the microwave before removing the control panel.

Steps:

  • 1. Check for lock mode: Ensure the child lock is not enabled (see LOC code instructions).
  • 2. Clean keypad surface: Wipe with a soft, slightly damp cloth and dry thoroughly. Do not spray cleaner directly onto the panel.
  • 3. Reseat ribbon cable: Remove the control panel and carefully unplug and reinsert the keypad ribbon cable into the control board connector.
  • 4. Replace keypad: If specific keys consistently fail, replace the membrane keypad or entire control panel assembly.
Advertisements

Repair Difficulty

Medium 3/5

Required Part

Membrane Keypad
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements