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464

Error 464 - Over-current of inverter compressor 1

Samsung · Home Automation

What does 464 mean?

Inverter compressor 1 is drawing excessive electrical current, triggering a safety shutdown to prevent damage to the compressor or electrical components.

Common Causes

  • Compressor overload (e.g., due to refrigerant issues or high load)
  • Electrical short in the compressor or inverter drive circuit
  • Faulty inverter drive

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power off the unit and inspect the outdoor unit for any blockages or excessive load conditions.

  2. 2

    Check for a stable power supply to the outdoor unit.

  3. 3

    If the issue persists, a qualified technician is needed to diagnose the compressor and inverter system for underlying electrical faults.

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

Related Faults

101Error 101 - Indoor unit communication error102Error 102 - Indoor/Outdoor unit communication error108Error 108 - Repeated address setting
Source: Samsung Home Automation
Open Manual (Page 24)Search more codes in this manual