Liebherr Freezers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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F0
Freezer display shows F0 and may beep; temperature may not be regulated correctly.
General Sensor Fault / Undefined Error
F1
Freezer shows F1; temperature display may flash; unit may run continuously or shut down intermittently.
Freezer Compartment Temperature Sensor Failure
F10
Freezer shows F10; door alarm may behave erratically; interior light may not function correctly.
Door Switch / Door Contact Fault
F11
Freezer shows F11; may not accept temperature changes; keypad or touch panel unresponsive.
User Interface / Keypad Communication Fault
F12
Freezer shows F12; may not cool; compressor may not run; alarm may sound.
Low Voltage / Power Supply Fault
F13
Freezer shows F13; SuperFrost function may not work correctly; temperature may overshoot.
SuperFrost Sensor / Circuit Fault
F14
Freezer shows F14; ice maker (if fitted) may not operate; or internal communication errors between modules.
Accessory Module Communication Fault (e.g., IceMaker / SmartDevice)
F15
Freezer shows F15; internal fan speeds may be incorrect; noise or poor air circulation.
Fan Speed Control / Tachometer Fault
F16
Freezer shows F16; internal light may flicker or not work; door status may be misdetected.
LED Lighting / Door Status Circuit Fault
F17
Freezer shows F17; may be related to SmartDevice or network connectivity issues.
SmartDevice / Network Module Fault
F18
Freezer shows F18; may indicate internal communication error between multiple control boards (e.g., UI and main PCB).
CAN / Data Bus Communication Fault
F19
Freezer shows F19; may be associated with defrost water drainage or heater safety.
Defrost Drain / Safety Monitoring Fault
F2
Display shows F2; freezer may overcool or not reach set temperature; compressor behavior may be erratic.
Evaporator Temperature Sensor Fault
F20
Freezer shows F20; may indicate a general cooling system fault; temperature alarm may be active.
Cooling Performance Fault
F3
Freezer shows F3; temperature display may be inaccurate; unit may not maintain stable temperature.
Ambient / Room Temperature Sensor Fault
F4
Freezer display shows F4; defrost cycles may not run correctly; heavy ice build-up on evaporator.
Defrost Sensor / Defrost Thermostat Fault
F5
Freezer shows F5; may not defrost; fan noise may change; ice accumulation on evaporator.
Defrost Heater Circuit Fault
F6
Freezer shows F6; compressor may not start or may run continuously; temperature unstable.
Compressor Control / Relay Fault
F7
Freezer shows F7; interior fan may not run; uneven temperatures and frost build-up.
Evaporator Fan Motor Fault
F8
Freezer shows F8; alarm may sound; unit may not cool properly; compressor may be off.
Condenser Temperature Sensor / Overheat Fault
F9
Freezer shows F9; may not respond to controls; cooling may stop.
EEPROM / Control Board Memory Error
Symptom
Alarm beeping and red warning light on, but interior temperature seems normal.
False Temperature Alarm
Symptom
Display shows dashes or blank temperature instead of a value, but no specific error code.
Sensor Reading Out of Range
Symptom
Door will not close properly or pops open slightly after closing.
Door Alignment / Seal Issue
Symptom
Drawers difficult to open; vacuum effect after closing the door.
Pressure Equalization / Seal Vacuum
Symptom
Freezer interior too cold; food excessively frozen or ice crystals everywhere even at higher setpoint.
Thermostat / Temperature Control Misregulation
Symptom
Freezer leaking water onto the floor at the front or rear.
Defrost Drain Blockage / Drip Tray Overflow
Symptom
Freezer not cooling at all; interior warm; compressor not running; display may be on.
Compressor Not Starting
Symptom
Freezer not starting at all; display off; no lights or sounds.
No Power / Dead Appliance
Symptom
Freezer runs continuously but does not reach the set temperature; interior only slightly cool.
Loss of Refrigerant Charge / Weak Compressor
Symptom
Freezer runs very loudly; humming, buzzing, or rattling noises from the rear or inside.
Excessive Operational Noise
Symptom
Freezer temperature too warm; food softening; compressor cycles but cannot maintain -18°C.
Insufficient Cooling / Airflow Restriction
Symptom
Freezer vibrates excessively; rattling against cabinets or floor.
Cabinet Vibration / Installation Issue
Symptom
Freezer will not restart after being switched off briefly; must wait a long time before it starts again.
Compressor Thermal Overload / Hard Start
Symptom
Heavy ice build-up on the evaporator behind the rear panel; airflow reduced; temperature rising.
Defrost System Failure
Symptom
Ice build-up on the interior walls or around the door opening.
Excessive Frost Formation
Symptom
Ice maker in freezer (if equipped) not producing ice.
Ice Maker Failure
Symptom
Interior light not working but freezer otherwise cools normally.
Interior Lighting Failure
Symptom
Loud knocking or banging noise when compressor starts or stops.
Compressor Mount / Internal Compressor Noise
Symptom
Strong chemical or burning smell from the rear of the freezer.
Overheating Electrical Component
Symptom
Unpleasant musty or moldy odor inside the freezer.
Odor Contamination
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| F0 |
Freezer display shows F0 and may beep; temperature may not be regulated correctly.
|
General Sensor Fault / Undefined Error | View Details |
| F1 |
Freezer shows F1; temperature display may flash; unit may run continuously or shut down intermittently.
|
Freezer Compartment Temperature Sensor Failure | View Details |
| F10 |
Freezer shows F10; door alarm may behave erratically; interior light may not function correctly.
|
Door Switch / Door Contact Fault | View Details |
| F11 |
Freezer shows F11; may not accept temperature changes; keypad or touch panel unresponsive.
|
User Interface / Keypad Communication Fault | View Details |
| F12 |
Freezer shows F12; may not cool; compressor may not run; alarm may sound.
|
Low Voltage / Power Supply Fault | View Details |
| F13 |
Freezer shows F13; SuperFrost function may not work correctly; temperature may overshoot.
|
SuperFrost Sensor / Circuit Fault | View Details |
| F14 |
Freezer shows F14; ice maker (if fitted) may not operate; or internal communication errors between modules.
|
Accessory Module Communication Fault (e.g., IceMaker / SmartDevice) | View Details |
| F15 |
Freezer shows F15; internal fan speeds may be incorrect; noise or poor air circulation.
|
Fan Speed Control / Tachometer Fault | View Details |
| F16 |
Freezer shows F16; internal light may flicker or not work; door status may be misdetected.
|
LED Lighting / Door Status Circuit Fault | View Details |
| F17 |
Freezer shows F17; may be related to SmartDevice or network connectivity issues.
|
SmartDevice / Network Module Fault | View Details |
| F18 |
Freezer shows F18; may indicate internal communication error between multiple control boards (e.g., UI and main PCB).
|
CAN / Data Bus Communication Fault | View Details |
| F19 |
Freezer shows F19; may be associated with defrost water drainage or heater safety.
|
Defrost Drain / Safety Monitoring Fault | View Details |
| F2 |
Display shows F2; freezer may overcool or not reach set temperature; compressor behavior may be erratic.
|
Evaporator Temperature Sensor Fault | View Details |
| F20 |
Freezer shows F20; may indicate a general cooling system fault; temperature alarm may be active.
|
Cooling Performance Fault | View Details |
| F3 |
Freezer shows F3; temperature display may be inaccurate; unit may not maintain stable temperature.
|
Ambient / Room Temperature Sensor Fault | View Details |
| F4 |
Freezer display shows F4; defrost cycles may not run correctly; heavy ice build-up on evaporator.
|
Defrost Sensor / Defrost Thermostat Fault | View Details |
| F5 |
Freezer shows F5; may not defrost; fan noise may change; ice accumulation on evaporator.
|
Defrost Heater Circuit Fault | View Details |
| F6 |
Freezer shows F6; compressor may not start or may run continuously; temperature unstable.
|
Compressor Control / Relay Fault | View Details |
| F7 |
Freezer shows F7; interior fan may not run; uneven temperatures and frost build-up.
|
Evaporator Fan Motor Fault | View Details |
| F8 |
Freezer shows F8; alarm may sound; unit may not cool properly; compressor may be off.
|
Condenser Temperature Sensor / Overheat Fault | View Details |
| F9 |
Freezer shows F9; may not respond to controls; cooling may stop.
|
EEPROM / Control Board Memory Error | View Details |
| – |
Alarm beeping and red warning light on, but interior temperature seems normal.
|
False Temperature Alarm | View Details |
| – |
Display shows dashes or blank temperature instead of a value, but no specific error code.
|
Sensor Reading Out of Range | View Details |
| – |
Door will not close properly or pops open slightly after closing.
|
Door Alignment / Seal Issue | View Details |
| – |
Drawers difficult to open; vacuum effect after closing the door.
|
Pressure Equalization / Seal Vacuum | View Details |
| – |
Freezer interior too cold; food excessively frozen or ice crystals everywhere even at higher setpoint.
|
Thermostat / Temperature Control Misregulation | View Details |
| – |
Freezer leaking water onto the floor at the front or rear.
|
Defrost Drain Blockage / Drip Tray Overflow | View Details |
| – |
Freezer not cooling at all; interior warm; compressor not running; display may be on.
|
Compressor Not Starting | View Details |
| – |
Freezer not starting at all; display off; no lights or sounds.
|
No Power / Dead Appliance | View Details |
| – |
Freezer runs continuously but does not reach the set temperature; interior only slightly cool.
|
Loss of Refrigerant Charge / Weak Compressor | View Details |
| – |
Freezer runs very loudly; humming, buzzing, or rattling noises from the rear or inside.
|
Excessive Operational Noise | View Details |
| – |
Freezer temperature too warm; food softening; compressor cycles but cannot maintain -18°C.
|
Insufficient Cooling / Airflow Restriction | View Details |
| – |
Freezer vibrates excessively; rattling against cabinets or floor.
|
Cabinet Vibration / Installation Issue | View Details |
| – |
Freezer will not restart after being switched off briefly; must wait a long time before it starts again.
|
Compressor Thermal Overload / Hard Start | View Details |
| – |
Heavy ice build-up on the evaporator behind the rear panel; airflow reduced; temperature rising.
|
Defrost System Failure | View Details |
| – |
Ice build-up on the interior walls or around the door opening.
|
Excessive Frost Formation | View Details |
| – |
Ice maker in freezer (if equipped) not producing ice.
|
Ice Maker Failure | View Details |
| – |
Interior light not working but freezer otherwise cools normally.
|
Interior Lighting Failure | View Details |
| – |
Loud knocking or banging noise when compressor starts or stops.
|
Compressor Mount / Internal Compressor Noise | View Details |
| – |
Strong chemical or burning smell from the rear of the freezer.
|
Overheating Electrical Component | View Details |
| – |
Unpleasant musty or moldy odor inside the freezer.
|
Odor Contamination | View Details |
No matching codes found
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