CodeRegistry
Brands
  1. Home
  2. Liebherr
  3. Built-in Refrigerator-Freezers
  4. Acoustic warning
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Acoustic warning

Acoustic warning sounds — Door left open too long

Liebherr · Built-in Refrigerator-Freezers

What does Acoustic warning mean?

The appliance sounds an acoustic warning if the Refrigerator or freezer door remains open for longer than 180 seconds (3 minutes). This is a reminder to close the door to maintain temperature.

Common Causes

  • Door left open for more than 3 minutes.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Close the door completely.

  2. 2

    Press the Alarm button Fig. 3 (14) to silence the warning if the door must remain open briefly.

  3. 3

    Ensure no obstructions are preventing the door from closing fully.

Browse all codes in this manual (14)
Verified technical data. Last updated: April 2026

Related Faults

Alarm symbol flashingAlarm symbol flashing with acoustic warning — Freezer temperature too highAppliance not workingAppliance does not work — No power or switched offCannot switch offAppliance will not switch off — Child Safety function active
Source: Liebherr Built-in Refrigerator-Freezers
Open Manual (Page 7)Search more codes in this manual