Marvel
Unresponsive Keypad
Control panel lights up but buttons do not respond.
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Possible Causes
Control lock feature enabled, failed touchpad, loose ribbon cable, main board interface fault
How to Fix / Troubleshooting
Steps:
- Check the user manual for a control lock or child lock feature. Attempt to unlock by holding the specified button combination.
- Disconnect power for 5 minutes to reset the control, then restore power and test again.
- If still unresponsive, remove the control panel and reseat the ribbon cable between the keypad and main board.
- If buttons remain non‑functional, replace the user interface panel.
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Repair Difficulty
Easy
2/5
Required Part
User Interface / Keypad
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