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dOr

dOr — Appliance door open too long (with flashing display and audible alarm)

Liebherr · Mediline Refrigerators

What does dOr mean?

The display shows 'dOr'. When the door is first opened, an LED lights up and the temperature display flashes. If the door remains open for more than 60 seconds, the LED flashes, the display shows 'dOr' alternately with the temperature, and an audible warning signal sounds.

Common Causes

  • The appliance door is not fully closed or was open for an extended period
  • An obstruction is preventing the door from sealing properly
  • Damaged door seal or hinges

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Immediately close the appliance door securely and ensure it is sealed properly.

  2. 2

    Check for any items or obstructions that might be preventing the door from closing completely.

  3. 3

    If an audible alarm is sounding, press the button (often represented by a bell icon) to silence it temporarily.

  4. 4

    If the alarm persists after closing the door, inspect the door seal for damage and clean if necessary.

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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