Wine cooler shows E7 and the display or touch controls behave erratically or are unresponsive.

Safety: Unplug the wine cooler before removing the control panel or top trim. Avoid static discharge to electronic boards.

Steps to troubleshoot E7:

• Power reset: Disconnect power for 10 minutes, then reconnect. If E7 clears temporarily, a communication glitch or marginal connection is likely.
• Access the control panel: Remove the front control bezel or top trim (depending on model) to expose the user interface (UI) board and its ribbon cable.
• Inspect connections: Gently disconnect and reconnect the ribbon cable between the UI and main PCB. Look for corrosion, bent pins, or moisture marks.
• Dry the area: If there are signs of condensation or liquid spills, allow the panel and connectors to dry completely before reassembly. Do not use excessive heat.
• Check for physical damage: Cracked PCBs, burnt components, or damaged touch pads indicate the UI board should be replaced.
• Replace the UI board: Order the correct SMEG display/touch control PCB for your model. Transfer any mounting brackets or seals and reinstall carefully to maintain the door seal and aesthetics.
• Consider main PCB: If a new UI board does not resolve E7, the main control PCB may have a communication fault and require replacement.

Note: Handle ribbon cables by the stiffened ends only; do not pull on the flexible part.