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Error code reference
Liebherr Refrigerator Error Codes
15 error codes documented with diagnostic procedures.
Have your model number? Get codes specific to your unit.
BT011Refrigerator compartment air sensor defective.BT021Refrigerator compartment evaporator sensor defective; emergency mode activates…BT071Ambient air sensor defective; in fault condition the ambient temperature is specified…F 5Appliance malfunctionF0BioFresh air sensor defective; appliance enters emergency mode with compressor 20 minutes…F1Refrigerator compartment air sensor defective; appliance enters emergency mode with…F2Refrigerator compartment evaporator sensor defective; appliance enters emergency mode…F3Freezer compartment air sensor defective; appliance enters emergency mode with compressor…F4Freezer compartment evaporator sensor defective; appliance enters emergency mode with…F7Ambient air sensor defective (only displayed in service menu); unit assumes +25°C ambient…GQ033Base compartment fan defective.PH00XCommunication error between electronic components.PZ001UI (user interface) hardware defective.PZ002UI (user interface) memory defective.ruAmbient temperature sensor on the power PCB defective; displayed only in Service mode.
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Step-by-step tests, expected values, wiring diagram references, and verified part numbers.
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Common questions
How do I find the error code on my Liebherr Refrigerator?
Most Liebherr refrigerators show the code directly on the control panel display. If your model has no display, it can be read by entering diagnostic mode with the key sequence for your model. The full procedures include model-specific instructions for reading codes.
Are these codes specific to my model?
The codes here apply broadly to Liebherr refrigerators. Meanings and diagnostic steps can vary by model and production year, so enter your model number for model-specific information and procedures.
What do I do if my code is not listed?
Some codes are model-specific or only appear in diagnostic mode. Enter your model number to get codes specific to your unit, or contact us. We update the database continuously from manufacturer service documentation.
How much does it cost to access the full diagnostic procedures?
A 3-day pass is $9.95 one-time and gives full access to all brands, codes, and procedures. Monthly access is $29/month with unlimited access to everything including Max AI diagnostics.