GE Keypad Matrix Failure

Microwave keypad buttons do not respond or respond intermittently; some keys work while others do not.

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

Worn or damaged membrane keypad, Loose keypad ribbon cable, Contamination or moisture under keypad overlay, Failed keypad input circuit on control board

How to Fix / Troubleshooting

Safety: Unplug the microwave before removing the control panel.

Check for lock mode: Ensure control lock/child lock is not enabled.
Test all keys: Note which keys fail. If entire rows or columns fail, the membrane keypad is likely defective.
Reseat ribbon cable: Remove the control panel and disconnect/reconnect the keypad ribbon cable to the control board.
Dry moisture: If steam has entered the keypad area, allow it to dry thoroughly.
Replace keypad: If issues persist, replace the membrane keypad or entire control panel assembly.

Repair Difficulty

Medium 3/5

Required Part

Membrane Keypad

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