Liebherr · Mediline Refrigerators
An audible warning signal sounds if the appliance door has been left open for longer than the preset delay time, typically 60 seconds by factory default. This helps prevent unwanted temperature fluctuations inside the unit.
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Close the appliance door completely, ensuring it is sealed securely.
If the alarm persists, check if any items inside the Refrigerator are blocking the door from closing properly.
You can adjust the delay time for the door open alarm or deactivate the audible warning function if necessary, by referring to the settings section on page 18 of your manual.