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HI / LED flashes / Audible

HI, LED flashes, and audible warning – Interior temperature too high

Liebherr · Mediline Refrigerators

What does HI / LED flashes / Audible mean?

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

Common Causes

  • Door not closed properly
  • Warm items loaded
  • Ventilation system obstructed
  • Appliance located too close to a heat source
  • Prolonged power cut

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check that the appliance door is securely closed.

  2. 2

    Ensure there are no items blocking the internal or external ventilation openings.

  3. 3

    Verify the appliance is not positioned near a heat source such as an oven or direct sunlight.

  4. 4

    Press the alarm button to mute the audible warning signal temporarily.

  5. 5

    If the temperature does not normalize, contact customer service.

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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