Safety first: Unplug the dryer before removing the control panel.

Power reset: Disconnect power for 5–10 minutes to reset the electronics. Reconnect and check the display.
Inspect display connections: Remove the control fascia and check the ribbon cable between the display and main UI board. Reseat the cable.
Check for moisture: Dry any condensation or moisture behind the panel. Identify and correct sources of steam or leaks.
Replace display/UI board: If the display remains corrupted, replace the display module or entire user interface PCB as per SMEG parts catalog.

Dryer display works but shows random symbols or unreadable characters.

Possible Causes