The Zanussi ZT 46/30 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 appliance is not receiving electrical power.
The freezer compartment is not maintaining a sufficiently low temperature.
The door of the freezer compartment is stuck or jammed.
The appliance’s compressor is operating without stopping, which may indicate an issue.
Excessive frost and ice accumulation on the freezer drawer fronts.
The appliance is making unusual noises.