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E458

E458 - Outdoor fan 1 speed error

Samsung · Air Conditioning

What does E458 mean?

An error related to the speed or operation of outdoor fan 1, indicating a potential malfunction of the fan or its control board.

Common Causes

  • Fan1 malfunction.
  • Outdoor inverter PBA issue.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the unit's power and check for any obstructions around outdoor fan 1.

  2. 2

    Ensure the fan blades can rotate freely.

  3. 3

    Check the connections to the outdoor inverter PBA (Printed Board Assembly) if accessible.

Browse all codes in this manual (137)
Verified technical data. Last updated: April 2026

Related Faults

Abnormal displayAbnormal outdoor LED display - Error modeAll LEDs offAll outdoor unit LEDs off - No powerC101/C102C101 or C102 - Indoor to outdoor communication error
Source: Samsung Air Conditioning
Open Manual (Page 63)Search more codes in this manual