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A

Display shows A — Product sensor not activated

Liebherr · Mediline Refrigerators

What does A mean?

The letter 'A' on the display indicates that the optional product sensor, used for temperature measurement and recording, has not been activated within the appliance's settings.

Common Causes

  • Product sensor activation required
  • sensor not correctly enabled in settings

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press the 'Set' button for 5 seconds to enter the appliance's settings menu.

  2. 2

    Use the navigation buttons until 'SE' appears on the display, then press 'Set'.

  3. 3

    Navigate until 'A' appears, then select 'ON' to activate the sensor, and confirm by pressing 'Set'.

  4. 4

    Exit the settings menu by pressing 'Set' for 5 seconds to apply the changes.

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

Related Faults

AFrAFr — Temperature around product sensor below 0°CDoor open alarm (audible)Door open alarm — Audible warning when door openE0, E1, E2, rEE0, E1, E2, rE — Temperature sensor defective
Source: Liebherr Mediline Refrigerators
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