The Zanussi ZBA15020SV 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 in stand-by or defective.
The temperature is not set correctly.
The appliance is switched off or the temperature regulator 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 refrigerant circuit might be damaged.
There is a risk of electric shock or fire.
Frost defrosts on the rear plate during the automatic defrosting process.