Rear ventilation openings should not be pressed against a wall or furniture. Heat affects the mainboard, power board and LED system. Do not cover the set or place it beside a radiator.
If mains voltage fluctuates, ask an electrician about suitable protection. During lightning, standby mode does not fully disconnect the TV from the grid.
Clean a switched-off screen with a soft dry microfibre cloth and never spray liquid directly onto the panel. Stop use if you notice an unusual smell, clicking or sudden shutdowns.