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E465

E465 - Compressor overload error

Samsung · Air Conditioning

What does E465 mean?

The compressor is experiencing an overload, which can be caused by various factors including service valve position, refrigerant pressure, or fan motor operation.

Common Causes

  • Service valve not open.
  • Refrigerant pressure issues.
  • Fan Motor not running.
  • Compressor abnormally running.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the service valve is fully open.

  2. 2

    Check the refrigerant pressure.

  3. 3

    Verify that the outdoor fan motor is running correctly.

  4. 4

    If the compressor is abnormally running, it might need replacement or further inspection.

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