Liebherr Refrigerators Error Codes

AL01

Acoustic alarm sounds and AL01 appears; refrigerator compartment temperature is too high.

High Temperature Alarm – Refrigerator Compartment

AL02

Acoustic alarm and AL02; freezer temperature is too high, food may begin to soften.

High Temperature Alarm – Freezer Compartment

AL03

Alarm code AL03; indicates a sensor or temperature monitoring fault in one of the compartments.

General Temperature Monitoring Fault

dF

Display shows dF or a defrost-related alarm; heavy frost forms on the back wall or in the freezer despite NoFrost design.

Defrost System Failure (General)

E1

Error E1 on display; refrigerator may not maintain set temperature.

Refrigerator Sensor or Circuit Error (Alternate Code Set)

E2

Error E2; freezer temperature control is erratic or incorrect.

Freezer Sensor or Circuit Error (Alternate Code Set)

E3

Error E3; defrosting may not occur correctly, leading to frost buildup.

Defrost Sensor / Circuit Error (Alternate Code Set)

E4

Error E4; fan operation is abnormal, and temperature distribution is poor.

Fan Motor / Feedback Error (Alternate Code Set)

E5

Error E5; indicates a communication problem between control modules or with the display.

CAN / Data Bus Communication Error

F0

Refrigerator display shows error code F0 and may beep; cooling performance may be reduced or intermittent.

General Sensor Fault / Undefined Error

F1

Refrigerator or BioFresh compartment shows error code F1; temperature may be incorrect or fluctuating.

Refrigerator Compartment Temperature Sensor Failure

F10

Error code F10; ice maker may stop working or produce irregular ice, and water feed may be interrupted.

Ice Maker Sensor / Position Fault

F11

Display shows F11; water may leak in the ice maker area or no ice is produced despite water supply.

Ice Maker Water Valve / Fill Fault

F12

Error code F12; SuperCool or SuperFrost functions may not operate correctly, or temperatures overshoot.

SuperCool / SuperFrost Sensor or Circuit Fault

F13

Display shows F13; interior fan may run at incorrect speed or not at all, and temperature distribution is poor.

Fan Speed Feedback / Tachometer Fault

F14

Error code F14; interior display or touch controls may be unresponsive or flicker.

User Interface / Display Module Communication Fault

F15

Display shows F15; the refrigerator may not start cooling after a power outage or may shut down unexpectedly.

Power Supply / Voltage Monitoring Fault

F2

Freezer section or NoFrost compartment displays error code F2; freezer temperature may be too warm or unstable.

Freezer Compartment Temperature Sensor Failure

F3

Display shows F3; BioFresh or vegetable drawer temperature is incorrect or not controlled properly.

BioFresh / Special Compartment Temperature Sensor Failure

F4

Error code F4 appears; defrost cycles seem abnormal and frost may build up on the evaporator.

Evaporator Defrost Sensor / Termistor Failure

F5

Display shows F5; fan noise may be abnormal or airflow reduced in the refrigerator or freezer compartment.

Evaporator Fan Motor Fault

F6

Error code F6 appears; interior light and controls may behave erratically, or the unit may not respond to door opening.

Door Contact / Reed Switch Fault

F7

Display shows F7; ice buildup may be excessive, or defrost cycles may not complete properly.

Defrost Heater Circuit Fault

F8

Error code F8; compressor may not start or may run continuously; cooling performance is abnormal.

Compressor / Inverter Communication Fault

F9

Display shows F9; interior temperatures may drift, and the unit may not defrost correctly.

Ambient Temperature Sensor Fault

Symptom

BioFresh or vegetable drawers freezing food instead of keeping it just above 0°C.

BioFresh Temperature Control Fault

Symptom

Both refrigerator and freezer are warm; interior lights work but compressor does not run.

Compressor Start Failure

Symptom

Condensation or water droplets forming on the exterior of the cabinet or around the door frame.

Condensation / Mullion Heater or Gasket Issue

Symptom

Door does not close properly or pops open slightly after being shut.

Door Alignment / Hinge or Gasket Issue

Symptom

Excessive frost buildup in a NoFrost freezer compartment.

NoFrost System Failure

Symptom

Freezer cold but refrigerator only slightly cool; ice buildup visible on rear freezer wall.

Partial Evaporator Frost Blockage / Restricted Airflow

Symptom

Ice maker not producing ice, but water dispenser (if present) works.

Ice Maker Mechanical or Control Failure

Symptom

Interior light not working but refrigerator otherwise cools normally.

Interior Lighting Failure

Symptom

Refrigerator and freezer both warm; compressor runs continuously but no cooling.

Refrigerant Loss / Sealed System Failure

Symptom

Refrigerator does not start at all; display is blank and no lights are on.

No Power / Dead Appliance

Symptom

Refrigerator makes loud knocking, rattling, or buzzing noises during operation.

Mechanical Vibration / Fan or Compressor Noise

Symptom

Refrigerator not cooling but freezer is working normally; fresh food section is warm while freezer remains cold.

Air Damper / Refrigerator Fan Airflow Restriction

Symptom

Refrigerator runs constantly and is too cold; food freezing in the fresh food compartment.

Thermostat / Temperature Sensor Misreading

Symptom

Refrigerator starts but trips the circuit breaker or RCD shortly after.

Electrical Short / Earth Leakage

Symptom

Strong unpleasant odor inside the refrigerator even after basic cleaning.

Persistent Organic Contamination / Drain Odor

Symptom

Water dispenser (if equipped) not dispensing water, but ice maker still works.

Water Dispenser Flow Restriction

Symptom

Water leaking onto the floor from the front or rear of the refrigerator.

External Leak from Water System or Drain

Symptom

Water pooling at the bottom of the refrigerator compartment or under drawers.

Blocked Defrost Drain