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F

Display shows F — Product sensor not connected or faulty

Liebherr · Mediline Refrigerators

What does F mean?

The letter 'F' on the display indicates that the optional product sensor is either not properly connected to the appliance or is experiencing a fault.

Common Causes

  • Product sensor not connected
  • Product sensor cable is damaged
  • Product sensor is faulty

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the physical connection of the product sensor to the appliance, ensuring it is securely plugged in.

  2. 2

    Inspect the product sensor and its cable for any visible signs of damage, cuts, or wear.

  3. 3

    If the sensor is properly connected and appears undamaged, it may be faulty and require replacement. Contact customer service for assistance.

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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