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LO / LED flashes / Audible

LO, LED flashes, and audible warning – Interior temperature too low

Liebherr · Mediline Refrigerators

What does LO / LED flashes / Audible mean?

The display shows "LO" and the LED flashes, indicating that the internal temperature of the appliance is too low. An audible warning signal will also sound (if not deactivated).

Common Causes

  • Temperature setting is too low
  • Malfunctioning temperature sensor
  • Refrigeration system fault

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the temperature setting and adjust it to a warmer value if necessary.

  2. 2

    Unplug the appliance from the mains for 30 seconds, then plug it back in to attempt a system reset.

  3. 3

    Monitor the appliance's temperature to see if it normalizes to the set value.

  4. 4

    If the temperature remains too low, contact customer service for diagnosis.

Browse all codes in this manual (29)
Verified technical data. Last updated: April 2026

Related Faults

ADisplay shows A — Product sensor not activatedAFrAFr — Temperature around product sensor below 0°CDoor open alarm (audible)Door open alarm — Audible warning when door open
Source: Liebherr Mediline Refrigerators
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