Brand: ZANUSSI
Category: Refrigerator
Document Type: Manual
Language: EN
Manual for ZNFN18FS5
Uploaded: Nov. 21, 2025, 7:32 p.m.
Warranty Information
Refer to the manufacturer's documentation for specific warranty details.
- Switching On: Insert plug into wall socket. Touch temperature regulator button if all LEDs are off.
- Switching Off: Touch and hold temperature regulator button for 3 seconds until all indicators light off.
- Temperature Regulation: Touch temperature regulator until desired LED lights up (2°C to 8°C). Recommended setting is 4°C. Set temperature reached within 24 hours.
- FastFreeze Function: Accelerates freezing of fresh food and protects existing food. Activate at least 24 hours before freezing fresh food. Press FastFreeze button to activate (indicator on). Stops automatically after 52 hours or can be deactivated manually.
- Door Open Alarm: Sound activates if fridge door is left open for approx. 5 minutes. Alarm mutes by pressing any button and switches off automatically after one hour.
- Positioning Door Shelves: Pull shelf up to remove and reposition as needed.
- Movable Shelves: Runners allow shelves to be positioned as desired.
- Vegetable Drawers: Located at the bottom for fruits and vegetables.
- Freezing Fresh Food: Activate FastFreeze 24 hours prior. Distribute food evenly. Max amount specified on rating plate.
- Storage of Frozen Food: Run appliance for 3 hours with FastFreeze on before first use or after period of non-use. Keep food at least 15 mm from the door.
- Thawing: Can be done in refrigerator or in plastic bag under cold water.
- Ice-Cube Production: Use provided trays.
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. |
| Acoustic or visual alarm is on. | The cabinet has been recently switched on. | Refer to "Door Open Alarm" or "High Temperature Alarm". |
| The temperature in the appliance is too high. | Refer to "Door Open Alarm" or "High Temperature Alarm". | |
| The compressor operates continually. | The door is left open. | Close the door. |
| 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 "FastFreeze", or after changing the temperature. | The door is not closed correctly. | Refer to "Closing the door" section. |
| The FastFreeze function is switched on. | Refer to "FastFreeze 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 Authorized 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. | |
| Water flows on the rear plate of the refrigerator. | 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. | |
| 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. |
| Water flows inside the refrigerator. | 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 "FastFreeze function" is switched on. | Switch off "FastFreeze function" manually, or wait until the function deactivates automatically to set the temperature. Refer to "FastFreeze function" section. |
| The temperature is not set correctly. | Set a higher/lower temperature. | |
| The temperature in the appliance is too low/too high. | 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 thickness of the frost is greater than 4-5 mm. | Defrost the appliance. | |
| The door has been opened often. | Open the door only if necessary. | |
| Some specific surfaces inside the fridge compartment are warmer at some times. | The FastFreeze function is switched on. | Refer to "FastFreeze 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. | |
| This is a normal state. | This is a normal state. |