Liebherr Refrigerator Error 1

⚡ Quick Answer: The Liebherr refrigerator error 1 indicates a malfunction in the temperature sensor, leading to fluctuating temperatures and inconsistent cooling in t... ✅ DIY Fixable

What Does Error 1 Mean?

The Liebherr refrigerator error 1 indicates a malfunction in the temperature sensor, leading to fluctuating temperatures and inconsistent cooling in the refrigerator compartment. This issue often persists despite the unit running and can be attributed to a faulty temperature sensor that may require inspection or replacement.

Common Symptoms:

  • Temperature in the refrigerator compartment fluctuating or incorrect
  • Refrigerator not maintaining set temperature despite running
  • Error persists even after basic airflow and load checks

Possible Causes

  • Refrigerator compartment temperature sensor failure (medium)

How to Fix Error 1

DIY Fix Basic checks and reset

  1. Ensure the refrigerator door is fully closed and the seal is intact.
  2. Check that food items are not blocking airflow around the temperature sensor area.
  3. Unplug the refrigerator for approximately 5–10 minutes to perform a power reset.
  4. Plug the refrigerator back in and observe if the error clears.

Technician Only Inspect and replace temperature sensor

  1. Diagnose the refrigerator compartment temperature sensor using a multimeter or diagnostic tool.
  2. Check wiring harness and connector integrity for damage or loose connections.
  3. Replace the temperature sensor if faulty and calibrate as required per Liebherr service procedures.
  4. Verify proper operation and confirm error code no longer appears.

Parts needed: Refrigerator compartment temperature sensor, Wiring harness/connectors if needed

🛑 When to Call a Pro:
  • If the error persists after a power reset and basic airflow checks.
  • If replacement of the temperature sensor or inspection of wiring is beyond your expertise.
  • If additional error codes accompany the primary fault, indicating a broader system issue.

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kOhms at 25°C
part_number Liebherr 7445790
voltage_rating 12V DC

Common Questions

What does 1 error mean on Liebherr refrigerator?

Error 1 indicates a temperature sensor malfunction, causing erratic temperatures.

Can I fix Liebherr refrigerator 1 error myself?

Yes, you can try basic checks, like ensuring the door seals properly and resetting the power.

How much does it cost to fix 1 error?

Estimated repair costs range from ¥8,000 to ¥25,000, depending on parts and labor.

When should I call a technician for 1?

Call a technician if the error persists after a reset or if you're not comfortable replacing the sensor.

Data last verified: 2026-04-23

User Comments (0)

Share your experience or solution below.

Be the first to comment!