JennAir
Membrane Keypad Wear or Failure
Control panel buttons are unresponsive or require very hard pressing; some keys work, others do not.
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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 contacts, Moisture intrusion behind keypad, Damaged keypad ribbon cable, Failed user interface board
How to Fix / Troubleshooting
Safety First: Unplug the microwave before removing the control panel.
- Test all keys: Note which buttons work and which do not. Patterns (e.g., entire row or column) often indicate a keypad matrix failure.
- Clean surface: Wipe the keypad with a soft, slightly damp cloth. Do not use harsh chemicals or soak the panel.
- Inspect ribbon cable: Remove the control panel and check the keypad ribbon cable for cracks or corrosion at the connector. Reseat it firmly.
- Replace keypad: If multiple keys remain unresponsive, replace the membrane keypad or complete control panel assembly as supplied by JennAir.
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Repair Difficulty
Medium
3/5
Required Part
Membrane Keypad
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