Viking
Membrane Keypad Wear or Control Panel Failure
Microwave keypad buttons do not respond or respond intermittently; display is on but input is unreliable.
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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.
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Possible Causes
Worn membrane keypad contacts, Moisture behind keypad, Damaged keypad ribbon cable, Faulty control board keypad interface
How to Fix / Troubleshooting
Safety: Disconnect power before removing the control panel.
- Check for lock mode: Ensure the Viking microwave is not in child lock or control lock mode (refer to user manual to disable).
- Clean keypad surface: Wipe with a soft, dry cloth. Avoid liquids that can seep behind the membrane.
- Inspect ribbon cable: Remove the control panel and inspect the keypad ribbon for cracks or corrosion. Reseat the connector on the control board.
- Test specific keys: Note which keys fail. If entire sections of the keypad are dead, the membrane is likely worn out.
- Replace keypad/control panel: Install a new Viking control panel or membrane keypad assembly as appropriate for your model.
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Repair Difficulty
Medium
3/5
Required Part
Control Panel / Membrane Keypad
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