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Freezer not cooling

Freezer side not cooling, Refrigerator working — Zoned cooling issue

Samsung · Refrigerators

What does Freezer not cooling mean?

The freezer compartment is not cooling properly, with temperatures rising significantly (e.g., from 1°C to 14°C), while the Refrigerator section maintains its temperature.

Common Causes

  • Defrost system failure specific to the freezer compartment
  • Blocked air vents between sections preventing cold air flow to the freezer
  • Faulty evaporator fan in the freezer section
  • Thermistor issue specific to the freezer

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug the Refrigerator for at least 24 hours to completely defrost any ice buildup that may be blocking air circulation or evaporator coils.

  2. 2

    Ensure no items are blocking the air vents inside the freezer compartment.

  3. 3

    Check if the freezer door is sealing properly and not letting warm air in.

  4. 4

    After defrosting, plug the unit back in and allow 12-24 hours for temperatures to stabilize.

Browse all codes in this manual (117)
Verified technical data. Last updated: April 2026

Related Faults

#5 IM Function error#5 IM Function error - Ice maker malfunction1Error 1 / I/M-sensor — Ice maker compartment sensor issue1 and 5Error 1 and 5 - Ice maker removed, causing codes and operational issues
Source: Samsung Refrigerators
Open Manual (Page 37)Search more codes in this manual