Liebherr Refrigerator Error Codes

The Modern Liebherr Code Dictionary (BT, GQ, PZ, E-Series)
Hey there! Got a fancy modern Liebherr fridge—maybe a sleek BluPerformance or a high-tech built-in unit—and suddenly, the display’s yelling at you with some weird letters and numbers like BT011 or GQ033? Don’t panic! These aren’t random; they’re your fridge’s way of telling you exactly what’s wrong. Forget the old ‘F-codes’ for a minute; these advanced BT, GQ, PZ, and E-Series codes are common in the newer models.
| Error Code | Description | Severity | Info |
|---|---|---|---|
| BT011 | Refrigerator compartment air sensor fault; fresh food air sensor is defective or out of range | High | Read More |
| BT021 | Refrigerator evaporator sensor fault; evaporator probe in the fridge section is defective | High | Read More |
| BT031 | Freezer compartment air sensor error; freezer air sensor is faulty and the compressor may run continuously | High | Read More |
| BT071 | Ambient air sensor error; sensor measuring surrounding room temperature is defective | Medium | Read More |
| GQ033 | Base compartment fan error; fan motor may be blocked, worn, or not receiving power | High | Read More |
| PH00X | Communication error between control boards; user interface and main control board are not communicating properly | High | Read More |
| PZ001 | User interface hardware error; display or door control board has a hardware fault | High | Read More |
| PZ002 | User interface memory error; memory fault on the display or control module | High | Read More |
| E0 | Temperature sensor defective; internal probe is not reading correctly | High | Read More |
| EE | Electronic control system error; internal control fault requiring professional diagnosis | Critical | Read More |
| DOR | Door has been open too long; close the door fully and check the door switch if the code remains | Low | Read More |
| E1 | Temperature sensor defective; one of the cabinet sensors is faulty | High | Read More |
| HI | Temperature inside the appliance is too high for safe storage | Critical | Read More |
| LO | Temperature inside the appliance is too low compared with the set temperature | Medium | Read More |
| RE | General temperature sensor error; sensor signal is out of range or the circuit is open or shorted | High | Read More |
| HF / HA | Power cut or abnormal temperature event; cabinet was too warm or too cold for some time | Medium | Read More |
| AFR | Surrounding temperature sensor dropped below 0°C (32°F); possible sensor or setup issue | Medium | Read More |
| E2 | Temperature sensor defective; sensor or wiring should be checked and replaced if needed | High | Read More |
Liebherr Refrigerator Error Codes (F Series)
These error codes are common on older Liebherr fridges and on popular CBN, CN and Premium series where the display shows “F” plus a number.
| Error Code | Description | Severity | Info |
|---|---|---|---|
| F0 | BioFresh compartment air sensor error; BioFresh temperature sensor is faulty and should be replaced | High | Read More |
| F1 | Refrigerator compartment air sensor error; fresh-food temperature sensor is defective and needs replacement | High | Read More |
| F2 | Refrigerator evaporator sensor error; evaporator sensor in the fridge section is faulty and should be checked and replaced | High | Read More |
| F3 | Freezer compartment air sensor error; freezer temperature sensor is defective and must be replaced | High | Read More |
| F4 | Freezer evaporator sensor error; evaporator sensor in the freezer section is faulty and should be checked and replaced | High | Read More |
| F5 | Microprocessor or control board error; electronic control board problem that needs diagnosis, repair, or replacement | Critical | Read More |
| F6 | Communication error between components; wiring or connection in the control circuit is open or damaged | High | Read More |
| F7 | Ambient or outside air sensor error; external temperature sensor is faulty and should be replaced | Medium | Read More |
| NA / NR | Temperature inside the appliance has been too high for a long period, often after a power loss or door left open | Medium | Read More |
| FE | Data storage or memory error; control board may need a reset or repair | High | Read More |