Safety: Unplug the unit before servicing the control panel.

Clean surface: Wipe the control panel with a soft, slightly damp cloth. Do not spray cleaner directly onto the panel.
Access UI: Remove the trim to access the user interface board and ribbon cable.
Dry moisture: If condensation is present, dry the area thoroughly and allow the board to air dry.
Reseat cable: Disconnect and reconnect the ribbon cable to ensure a solid connection.
Replace UI board: If buttons remain unresponsive, replace the user interface/display board.

Buttons on the control panel unresponsive or respond intermittently

Possible Causes