Liebherr Refrigerator

Liebherr CUN 4023 Comfort NoFrost

Model # CUN 4023

Liebherr refrigerator repair

The CUN 4023 Comfort NoFrost is the largest of the CUN-series undercounter combination cabinets in this group, same NoFrost system and Comfort-tier control as its smaller siblings.

A logged power interruption on the display and the defrost cycle falling behind schedule are the two complaints specific to this model, on top of the routine airflow check under the counter.

Key Features

  • Built-in undercounter combination refrigerator-freezer
  • Comfort-tier electronic temperature control
  • NoFrost frost-free operation with automatic defrost cycling

Most Common Issues on This Model

01

An nA or power-failure symbol on the display after a power cut, recording that the cabinet warmed above its set point while the power was out

02

NoFrost defrost cycle not clearing on schedule, leaving frost building up on interior surfaces

03

Ventilation clearance beneath the counter restricting airflow and straining the compressor over the long run

Error Codes Common to This Model

Own This Model? Book a Diagnosis.

Have the model number to hand when you book, so the technician arrives knowing which parts this model uses and where it usually fails.

FAQ

Liebherr CUN 4023 Comfort NoFrost FAQ

Among the CUN models covered here, yes — Liebherr's broader undercounter range may include other sizes.

Not directly — they're separate systems; an outage marker doesn't by itself cause frost to build up.

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