Safety first: Unplug the unit before removing the control console.

1. Power reset: Unplug for 5 minutes and reconnect to rule out a temporary lockup.
2. Clean panel surface: Wipe away any detergent or moisture from the control panel.
3. Access console: Remove screws and tilt the console to access the UI board and ribbon cables.
4. Reseat cables: Disconnect and reconnect the ribbon cable between the UI and main board.
5. Replace UI board: If specific buttons remain dead, replace the user interface board.

Control panel buttons are unresponsive or intermittent

Possible Causes