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E108

E108 - Repeated indoor unit communication address

Samsung · Air Conditioning

What does E108 mean?

This error indicates that two or more indoor units are set with the same communication address, preventing proper system communication.

Common Causes

  • Repeated indoor unit main address setting.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the communication addresses for all indoor units.

  2. 2

    Ensure each indoor unit has a unique main address.

  3. 3

    Adjust the address settings as needed.

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 62)Search more codes in this manual