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Duplicated address setting error

Duplicated address setting error — Multiple indoor units have the same address

Samsung · Air Conditioning

What does Duplicated address setting error mean?

The system has detected that two or more indoor units have been assigned the same address. This causes a communication error and prevents proper operation.

Common Causes

  • Incorrect address settings for multiple indoor units.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Access the wired remote controller settings to check the address assigned to each indoor unit.

  2. 2

    Ensure that every indoor unit has a unique address.

  3. 3

    Restart the air conditioner system after correcting any duplicated addresses.

Browse all codes in this manual (94)
Verified technical data. Last updated: April 2026

Related Faults

COND temperature sensor errorCondenser temperature sensor error — Outdoor coil temperature sensor faultCommunication errorCommunication error — Indoor/outdoor inverter main MICOM communication lostCommunication error after trackingCommunication error after finishing tracking — System communication issue following a tracking process
Source: Samsung Air Conditioning
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