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21

Error 21 / CF-FAN ERROR — Chilled food compartment fan motor issue

Samsung · Refrigerators

What does 21 mean?

This error appears when there's a problem with the fan motor in the Chilled Food compartment (CF compartment). It could be due to a faulty feedback signal line, a missing motor wire, or a defect within the motor itself.

Common Causes

  • Contact failure of fan motor feedback signal line
  • Missing fan motor wire
  • Defective Chilled Food compartment fan motor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug the Refrigerator from the wall outlet and wait 5 minutes.

  2. 2

    Plug the Refrigerator back in and listen if the fan motor starts.

  3. 3

    Ensure nothing is blocking the fan inside the Chilled Food compartment (e.g., food packaging).

  4. 4

    If the issue continues, professional service is required.

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 11)Search more codes in this manual