The Liebherr FNd 4655-20 is a high-performance upright freezer with NoFrost technology, offering a total net capacity of 204 liters. It features electronic temperature control with a digital display, SuperCool function, acoustic and optical door alarm, child lock, and energy efficiency class F. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Upright freezer cabinet, electronic control panel, adjustable shelves, door compartments, NoFrost evaporator, and ventilation system.
| Feature | Description |
|---|---|
| NoFrost technology | Prevents ice build-up automatically; no manual defrosting required |
| Electronic temperature control | Digital display with precise temperature setting from -14°F to 8°F (-26°C to -14°C) |
| SuperCool function | Rapidly lowers temperature for new food loads |
| Acoustic/optical alarm | Alerts if door is left open or temperature rises critically |
| Child lock | Locks control panel to prevent unintended changes |
| Adjustable shelves | Flexible storage configuration for various item sizes |
| Door compartments | Storage for smaller items and packages |
| Energy efficiency class | Class F (according to EU regulations) |
| Reversible doors | Door can be hinged on left or right side |
| Climate class | SN-T (designed for ambient temperatures 50°F to 109°F / 10°C to 43°C) |
Unpack and inspect contents. Place on level, stable floor.
WARNING! Unit is heavy; use two people for moving. Ensure proper ventilation to prevent overheating.
After installation rest period, power on the freezer.
CAUTION! Do not overload freezer during initial cooling. Allow 24 hours to reach stable temperature.
Control panel located on front upper section.
Buttons: POWER (On/Off), TEMPERATURE +/-, SUPERCOOL, ALARM ON/OFF, LOCK.
Display icons: Temperature reading, SuperCool active, Alarm active, Door open warning, Child lock active.
Temperature range: -14°F to 8°F (-26°C to -14°C). SuperCool: Activates for 24 hours then returns to set temperature. Alarm: Sounds if door open >2 minutes or temperature >14°F (-10°C). Child lock: Disables all buttons except POWER when active.
Optimal organization ensures efficient freezing and easy access.
Tip: Maintain inventory list to minimize door opening time.
Automatic defrosting system prevents ice accumulation.
NOTE: Slight humming during defrost cycle is normal.
Maximize efficiency and reduce operating costs.
Unplug before cleaning. Never use sharp tools, abrasive cleaners, or hot water.
CAUTION! Never use electrical appliances inside freezer for cleaning. Do not scrape ice (none should form).
This appliance complies with EU Directive 2012/19/EU on waste electrical equipment (WEEE). Contains refrigerant R600a and insulation cyclopentane, both flammable. Dispose according to local regulations. For EU: Do not dispose with household waste. Copyright © Liebherr-International AG. For support, visit www.liebherr.com or contact local Liebherr service center.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Freezer not cooling | Power issue/doors | Check power cord is plugged in; ensure door is fully closed. |
| Temperature too high | Overloaded/ventilation | Do not overload; ensure air circulation; check door seal. |
| Alarm sounds | Door open/temp rise | Close door properly; check if large food load recently added. |
| Unusual noise | Leveling/fan | Ensure unit is level; check for items touching fan housing. |
| Condensation on exterior | Humidity/seal | Normal in humid conditions; check door seal if excessive. |
| Display not working | Power/child lock | Check power supply; disable child lock to access controls. |
Reset: Unplug for 5 minutes, then reconnect to reset electronic control.
Service: Contact authorized Liebherr service center. Do not attempt repairs yourself.