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Hissing Sound

Hissing Sound — Water dripping on defrost heater

Samsung · Refrigerator

What does Hissing Sound mean?

A sizzling or hissing sound is heard. This is a normal sound that occurs during a defrost cycle when water drips onto the defrost heater.

Common Causes

  • Water dripping on the defrost heater during a defrost cycle.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Understand that this is a normal operating sound.

  2. 2

    No action is required as this is part of the Refrigerator's defrosting process.

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