The Liebherr FNb 505i is a premium freestanding freezer featuring NoFrost technology, BioFresh compartments, SmartSteel finish, electronic temperature control with digital display, super freezing function, door alarm, child lock, energy efficiency class, and reversible doors. Designed for household use, it offers optimal food preservation with advanced features. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: NoFrost system, BioFresh compartments, electronic control panel, interior LED lighting, adjustable shelves, door bins, and reversible door hinges.
| Feature | Description |
|---|---|
| NoFrost technology | Prevents ice buildup; no manual defrosting required |
| BioFresh compartments | Special zones for optimal humidity and temperature for fruits, vegetables, fish, and meat |
| Electronic control panel | Digital display with temperature settings and function indicators |
| Super freezing function | Rapidly lowers temperature for new food loads |
| Door alarm | Audible alert if door is left open |
| Child lock | Prevents unintended changes to settings |
| Reversible doors | Door can be hung to open from left or right |
| Interior LED lighting | Energy-efficient illumination |
| Adjustable shelves | Flexible storage configuration |
| SmartSteel finish | Fingerprint-resistant stainless steel look |
Unpack and inspect contents. Ensure proper ventilation space.
WARNING! Appliance is heavy; use two people for moving. Do not tilt beyond 45 degrees.
After installation, allow appliance to stand upright for 4 hours before powering on.
CAUTION! Do not load food until temperature indicator shows stable freezing temperature.
Control Panel: TEMP, SUPER, ALARM, LOCK buttons with digital display.
Temperature Setting: Press TEMP to cycle between -16°C to -24°C. Display shows set temperature and actual interior temperature.
Super Freeze: Press SUPER to activate for 24 hours (icon flashes). Automatically switches off.
Door Alarm: ALARM button toggles audible alert on/off. Icon lights when active.
Child Lock: Press and hold LOCK for 3 seconds to enable/disable. All buttons are locked when active.
Display Mode: Press TEMP + SUPER simultaneously to switch between °C and °F.
Optimal organization maximizes efficiency and food preservation.
Tip: Label and date all packages. Do not overfill to ensure proper air circulation.
NoFrost: Automatically circulates dry air to prevent frost formation. No need for manual defrosting. Ensure air vents inside are not blocked.
BioFresh: Two separate compartments: - DrySafe: Lower humidity (≈50%) for meat, fish, dairy. - HydroSafe: Higher humidity (≈90%) for fruits, vegetables, herbs.
Adjust dividers to control humidity levels. Clean compartments monthly with mild detergent.
Note: Using SuperFreeze increases energy consumption; use only when necessary.
Unplug before cleaning. Use soft cloth, mild detergent, and water. Do not use abrasive cleaners.
CAUTION! Never use steam cleaners, sharp objects, or chemical solvents.
CE certified. Complies with EU directives for household appliances. Disposal: Follow local regulations for WEEE. Contains refrigerant R600a (isobutane) – flammable. Do not puncture cooling system. For service, use authorized Liebherr technicians. Copyright © Liebherr-International AG. For support, visit www.liebherr.com or contact local service center.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Appliance not cooling | Power supply, temperature setting | Check plug and outlet; ensure temperature is set correctly; wait 24 hours after first start. |
| Unusual noise | Leveling, fan obstruction | Ensure appliance is level; check for items touching interior fan. |
| Door alarm sounds | Door ajar, alarm activated | Close door firmly; check seal; press ALARM to disable if needed. |
| Frost buildup | NoFrost system blocked, frequent door opening | Ensure air vents are clear; reduce door openings; contact service if persistent. |
| Display blank | Power loss, child lock | Check power cord; press any button to wake display; disable child lock. |
| High energy consumption | Poor ventilation, faulty seal | Ensure clearance around appliance; test door seal with paper strip. |
Reset: Unplug for 5 minutes, then reconnect to reset electronics.
Service: Authorized Liebherr service center; www.liebherr.com