Liebherr Refrigerator Error AL

⚡ Quick Answer: The Liebherr refrigerator AL error code signals a high temperature condition within the appliance, often due to a malfunctioning temperature sensor. T... ✅ DIY Fixable

What Does Error AL Mean?

The Liebherr refrigerator AL error code signals a high temperature condition within the appliance, often due to a malfunctioning temperature sensor. This can lead to inconsistent cooling and potential food spoilage. Common symptoms include an audible alarm, elevated compartment temperatures, and softening food items. It's essential to address this issue promptly to ensure food safety.

Common Symptoms:

  • Audible alarm sounds with code displayed
  • Compartment temperature higher than setpoint
  • Possible food warming/softening

Possible Causes

  • High refrigerator compartment temperature (medium)
  • High freezer compartment temperature (medium)
  • Sensor or temperature monitoring fault (medium)

How to Fix Error AL

DIY Fix Check compartment temperature and door closures

  1. Verify both fridge and freezer doors are fully closed.
  2. Ensure nothing (e.g., food items) is blocking air vents inside compartments.
  3. Check if doors have been left open or frequently opened recently.

DIY Fix Adjust temperature settings and allow recovery

  1. Confirm and reset the temperature settings to recommended levels.
  2. Give the refrigerator several hours to reach stable operating temperature.
  3. Minimize door openings during recovery period.

Technician Only Inspect and test temperature sensors and control system

  1. Use diagnostic tools to check temperature sensor readings for fridge and freezer compartments.
  2. Test associated wiring and connectors for continuity and proper connection.
  3. Verify control board signals and error logging to isolate if the alarm is due to sensor or control issue.

Parts needed: Temperature sensors (fridge and freezer), Control board, Associated wiring harness

🛑 When to Call a Pro:
  • Alarm persists after basic user-level checks and temperature remains high
  • Signs of sensor or control electronics faults
  • Food safety at risk due to sustained high internal temperatures

Technical Specifications

wattage
component Temperature Sensor
resistance 5k-10k ohms
part_number 900119200
voltage_rating 5V DC

Common Questions

What does AL error mean on Liebherr refrigerator?

AL error indicates a high temperature condition, suggesting a malfunction in the temperature sensor, leading to inconsistent cooling.

Can I fix Liebherr refrigerator AL error myself?

Yes, you can check door closures, ensure nothing blocks air vents, and reset temperature settings to address the AL error.

How much does it cost to fix AL error?

Repair costs vary; sensor replacements are moderate, while control board issues may incur higher expenses.

When should I call a technician for AL?

Contact a technician if the alarm persists after basic checks, or if there are signs of sensor or control faults.

Data last verified: 2026-04-23

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