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Cracking Sound

Cracking Sound — Plastic parts contracting/expanding

Samsung · Refrigerator

What does Cracking Sound mean?

Knocking or cracking noises are heard. These noises are normal and occur as plastic parts contract and expand due to temperature changes or during the defrosting cycle.

Common Causes

  • Plastic parts contracting and expanding due to temperature changes.
  • Defrosting cycle or when electronic parts are working.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Understand that these are normal operating sounds.

  2. 2

    No action is required as these are part of the Refrigerator's temperature regulation and defrosting processes.

Browse all codes in this manual (27)
Verified technical data. Last updated: April 2026

Related Faults

Buzzing SoundBuzzing Sound — Normal refrigerant flowClicking or Chirping SoundClicking or Chirping Sound — Normal operation start/endCondensation on Interior WallsCondensation on Interior Walls — Moisture entering the Refrigerator
Source: Samsung Refrigerator
Open Manual (Page 58)Search more codes in this manual