Brand: ZANUSSI
Category: Refrigerator
Document Type: Manual
Language: EN
Manual for ZRDN18FS1
Uploaded: Nov. 21, 2025, 8:12 p.m.
Warranty Information
Contact the Authorised Service Centre for repairs and original spare parts. Self-repair may void the guarantee.
Getting Started
Read the user manual carefully before installation and use. Keep instructions for future reference.
Safety First
Children and Vulnerable People: Appliance can be used by children aged 8+ with supervision. Children aged 3-8 can load/unload with instruction. Children under 3 should be kept away. Ensure children do not play with or clean the appliance unsupervised. Keep packaging away from children.
General Safety: For storing food and beverages only. Indoor domestic use. Do not open the door for long periods. Clean regularly. Store raw meat/fish in sealed containers. Ensure ventilation openings are clear. Do not use mechanical devices to accelerate defrosting. Do not damage the refrigerant circuit. Do not use electrical appliances inside unless recommended. Clean with a moist cloth and neutral detergent. Switch off, defrost, clean, and dry if not in use for a long period. Do not store explosive substances.
Electrical Connection
Ensure the appliance is earthed. Use a correctly installed shockproof socket. Do not use multi-plug adapters or extension cables. Ensure the supply cord is not trapped or damaged.
Using the Appliance
Switching On: Insert plug, then touch the temperature regulator button if LEDs are off.
Switching Off: Touch and hold the temperature regulator button for 3 seconds.
Temperature Regulation: Touch the regulator to select temperature (2°C to 8°C). Recommended setting is 4°C. Set temperature is reached within 24 hours.
FastCool Function: Press FastCool button to rapidly chill large amounts of food. It stops automatically after 6 hours or can be deactivated manually.
Troubleshooting and error codes
| Problem | Possible cause | Solution |
|---|---|---|
| The appliance does not operate. | The appliance is switched off. | Switch on the appliance. |
| The mains plug is not connected to the mains socket correctly. | Connect the mains plug to the mains socket correctly. | |
| There is no voltage in the mains socket. | Connect a different electrical appliance to the mains socket. Contact a qualified electrician. | |
| The appliance is noisy. | The appliance is not supported properly. | Check if the appliance stands stable. |
| The compressor operates continually. | Temperature is set incorrectly. | Refer to "Control panel" chapter. |
| Many food products were put in at the same time. | Wait a few hours and then check the temperature again. | |
| The room temperature is too high. | Refer to "Installation" chapter. | |
| Food products placed in the appliance were too warm. | Allow food products to cool to room temperature before storing. | |
| The compressor does not start immediately after pressing the "FastCool", or after changing the temperature. | The door is not closed correctly. | Refer to "Closing the door" section. |
| The FastCool function is switched on. | Refer to "FastCool function" section. | |
| The compressor starts after a period of time. | This is normal, no error has occurred. | |
| Door is misaligned or interferes with ventilation grill. | The appliance is not levelled. | Refer to installation instructions. |
| Door does not open easily. | You attempted to re-open the door immediately after closing. | Wait a few seconds between closing and re-opening of the door. |
| The lamp does not work. | The lamp is in stand-by mode. | Close and open the door. |
| The lamp is defective. | Contact the nearest Authorised Service Centre. | |
| There is too much frost and ice. | The door is not closed correctly. | Refer to "Closing the door" section. |
| The gasket is deformed or dirty. | Refer to "Closing the door" section. | |
| Food products are not wrapped properly. | Wrap the food products better. | |
| Temperature is set incorrectly. | Refer to "Control panel" chapter. | |
| Appliance is fully loaded and is set to the lowest temperature. | Set a higher temperature. Refer to "Control panel" chapter. | |
| Temperature set in the appliance is too low and the ambient temperature is too high. | Set a higher temperature. Refer to "Control panel" chapter. | |
| Water flows on the rear plate of the refrigerator. | During the automatic defrosting process, frost melts on the rear plate. | This is correct. |
| There is too much condensed water on the rear wall of the refrigerator. | Door was opened too frequently. | Open the door only when necessary. |
| Door was not closed completely. | Make sure the door is closed completely. | |
| Stored food was not wrapped. | Wrap food in suitable packaging before storing it in the appliance. | |
| Food products prevent the water from flowing into the water collector. | Make sure that food products do not touch the rear plate. | |
| Water flows on the floor. | The water outlet is clogged. | Clean the water outlet. |
| The melting water outlet is not connected to the evaporative tray above the compressor. | Attach the melting water outlet to the evaporative tray. | |
| Temperature cannot be set. | The FastCool function is switched on. | Switch off FastCool function manually, or wait until the function deactivates automatically to set the temperature. Refer to "FastCool function" section. |
| The temperature in the appliance is too low/too high. | The temperature is not set correctly. | Set a higher/lower temperature. |
| The door is not closed correctly. | Refer to "Closing the door" section. | |
| The food products' temperature is too high. | Let the food products temperature decrease to room temperature before storage. | |
| Many food products are stored at the same time. | Store less food products at the same time. | |
| The door has been opened often. | Open the door only if necessary. | |
| The FastCool function is switched on. | Refer to "FastCool function" section. | |
| There is no cold air circulation in the appliance. | Make sure that there is cold air circulation in the appliance. Refer to "Hints and tips" chapter. | |
| Temperature setting LEDs flash at the same time. | An error has occurred in measuring the temperature. | Contact the nearest Authorised Service Centre. The cooling system will continue to keep food products cold, but temperature adjustment will not be possible. |