Manual for ZNHN18FS1

Manual for ZNHN18FS1

Brand: ZANUSSI

Category: Refrigerator

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 8:54 p.m.

Warranty Information

Refer to warranty card for details.

  • Switching On: Insert plug into wall socket. Touch ON/OFF button (6).
  • Switching Off: Touch and hold ON/OFF button (6) for 3 seconds.
  • Temperature Regulation: Select compartment (fridge/freezer) using button (6). Adjust temperature using regulator button (7). Recommended settings: -18°C for freezer, +4°C for fridge.
  • FastFreeze Function: Press FastFreeze button (7) for 3 seconds to activate. Use for pre-freezing and fast freezing. Deactivate by pressing button (7) for 3 seconds again.
  • Daily Use: Adjust door and movable shelves as needed. Use vegetable drawers for fruits and vegetables. DYNAMICAIR provides rapid cooling.
  • Freezing Fresh Food: Activate FastFreeze at least 24 hours before. Distribute food evenly.
  • Storage of Frozen Food: Let appliance run for 3 hours with FastFreeze on before loading. Keep food 15mm from door.
  • Thawing: Thaw in refrigerator or in a plastic bag under cold water.
  • Ice-Cube Production: Fill trays with water and place in freezer.
  • Cold Accumulators: Place in the front top area for best performance during power cuts.

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.
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.
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.
Water flows on the rear plate of the refrigerator. 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.
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.
Water flows inside the refrigerator. 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 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.
Temperature setting LEDs flash at the same time. 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 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.
An error has occurred in measuring the temperature. Contact the nearest Authorized Service Centre. The cooling system will continue to keep food products cold, but temperature adjustment will not be possible.
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