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446

Error 446 — Operation failure of Fan1

Samsung · AC & Climate Systems

What does 446 mean?

Fan 1 in the outdoor unit is not operating correctly. This could be due to a motor issue, electrical problem, or obstruction.

Common Causes

  • Fan 1 motor failure
  • Electrical fault affecting the fan
  • Obstruction preventing fan rotation
  • Fan control circuit issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check if Fan 1 is obstructed by debris.

  2. 2

    Listen for any unusual noises coming from Fan 1.

  3. 3

    Verify the electrical connections to Fan 1.

  4. 4

    If the fan does not run, it may require replacement.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

101Error 101 — Indoor unit communication error102Error 102 — Communication error between indoor and outdoor units108Error 108 — Repeated address setting
Source: Samsung AC & Climate Systems
Open Manual (Page 24)Search more codes in this manual