Liebherr Refrigerator

Liebherr CUN 3523 Comfort NoFrost

Model # CUN 3523

Liebherr refrigerator repair

The CUN 3523 Comfort NoFrost is another undercounter, built-in combination refrigerator-freezer with automatic-defrost NoFrost, same Comfort-tier control as the smaller CUN models.

A door-closed alert misfiring and the automatic defrost cycle slipping out of schedule are the two electronics complaints on this unit; because it sits in a counter cutout, clearance for airflow underneath still gets checked at every visit.

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

A door alarm or PLEASE CLOSE DOOR message sounding despite the door being shut, usually a seal or door-switch issue rather than a cooling problem

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 3523 Comfort NoFrost FAQ

Yes — the automatic-defrost hardware works the same way regardless of whether the cabinet is undercounter or full-height.

Not leaving enough air movement space beneath the counter — that's checked on every undercounter visit regardless of the actual complaint.

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