The Zanussi ZRB934FW2 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 light device is in stand-by or the unit is defective.
The temperature is not set correctly.
Fast Freezing function is activated.
The plug is not connected to the mains socket correctly or there is no voltage.
Normal operational sounds from compressor and refrigerant circulation.
The melting water outlet does not flow into the evaporative tray.
Temperature regulator is not set correctly, door not closed properly, or room temperature is too high.
Loose connection can cause electric shock or fire.