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E108

E108 — Duplicated communication address

Samsung · Air Conditioning

What does E108 mean?

Multiple indoor units within the system are configured with the same communication address, causing conflicts.

Common Causes

  • Repeated indoor unit main address setting
  • Incorrect addressing during installation
  • Configuration error

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the address settings for all indoor units connected to the system.

  2. 2

    Ensure each indoor unit has a unique main communication address.

  3. 3

    Consult an installer or technician to adjust 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
Open Manual (Page 128)Search more codes in this manual