The Zanussi ZBB6284 Refrigerator has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your Zanussi might be giving you.
The lamp is either in stand-by or defective.
The appliance is switched off or not connected to the mains socket correctly.
The temperature is not set correctly.
The melting water outlet does not flow into the evaporative tray above the compressor.
The temperature regulator is not set correctly.
The temperature regulator is not set correctly.
The door may not be sealing properly.
There is no voltage in the mains socket.
Potential leak in the refrigerant circuit.