Display shows F8; interior lights flicker or controls reset intermittently

Safety: Unplug the refrigerator before inspecting internal wiring or the control board.

Steps:

• 1. Check mains connection: Ensure the plug is fully inserted and the outlet is not loose. Avoid multi-way adapters.
• 2. Inspect power cord and terminal block: Look for signs of overheating or loose screws at the terminal block (if accessible).
• 3. Control board inspection: Remove the control cover and look for cracked solder joints or burnt components. If present, replace the board.
• 4. Harness check: Gently tug on harnesses to ensure they are secure. Look for chafed insulation where wires pass through metal.
• 5. Professional repair: If F8 persists, the internal power supply is likely unstable and the main board should be replaced by a technician.