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C469

C469 - DC-Link voltage sensor error

Samsung · Air Conditioning

What does C469 mean?

An error is detected with the sensor responsible for measuring the DC-Link voltage. This sensor is crucial for monitoring the internal power supply.

Common Causes

  • Faulty DC-Link voltage sensor
  • Wiring issue
  • Main control board error

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner at the main power supply, wait 5 minutes, then restart.

  2. 2

    Ensure the power supply to the unit is stable and within specifications.

  3. 3

    If the error persists, contact a qualified service technician.

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