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C574

C574 - Gas shortage error

Samsung · Air Conditioning

What does C574 mean?

The air conditioner has detected a shortage of refrigerant gas, which means the system is not effectively circulating refrigerant.

Common Causes

  • Refrigerant leak
  • Undercharge during installation
  • Blockage in the refrigerant lines

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner to prevent potential damage to the compressor.

  2. 2

    Check if the unit's performance has noticeably decreased (e.g., poor cooling/heating).

  3. 3

    Contact a qualified service technician to inspect the refrigerant levels and system for leaks.

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 13)Search more codes in this manual