The Zanussi ZRA33400WA 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.
Potential damage to the refrigerant circuit.
The temperature in the appliance is set too low.
The temperature in the appliance is set too high.
The power plug socket is loose.
The appliance is either switched off or not connected properly.
The appliance makes noise during normal operation.
The compressor runs continuously.
Any replacement of electrical components must be done by qualified personnel.