The Zanussi ZRC 243W 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 power, possibly due to an issue with the socket or a power cut.
The internal temperature of the appliance is higher than the set temperature, potentially affecting the stored items.
The temperature inside the appliance is lower than desired, which might cause freezing of certain items.
An unusual amount of frost and ice has accumulated inside the appliance, which may hinder its efficiency.
The appliance is emitting unusual noise, which may indicate a problem with its components.