The Zanussi CZX 165 W 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 any electrical power.
The interior light of the appliance is not functioning.
The cooling performance of the fridge or freezer is inadequate.
The freezer door is stuck and cannot be opened.
The compressor is running without stopping, indicating possible issues with cooling.
Unusual noise is coming from the appliance.