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464

Error 464 — Over-current of inverter compressor 1

Samsung · AC & Climate Systems

What does 464 mean?

Inverter compressor 1 is drawing more current than its specified limits, triggering an over-current protection.

Common Causes

  • Electrical short circuit
  • Compressor internal fault
  • Overload condition
  • Faulty current sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off power to the unit immediately.

  2. 2

    Check for any signs of electrical shorts.

  3. 3

    Inspect the compressor for mechanical issues that might cause overload.

  4. 4

    A qualified technician must diagnose and repair this critical fault.

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