The display is blank or segments are missing, but the unit still runs.

Safety First: Unplug the unit before removing the control panel.

• Check connections: Remove the front panel and reseat the ribbon cable between the display and main control board.
• Inspect for moisture: Look for condensation or corrosion on the UI board. Dry gently if damp.
• Replace display: If segments are still missing or the display is blank, replace the user interface control panel.