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185

Error 185 - Cross wiring error (communication and power)

Samsung · Home Automation

What does 185 mean?

The communication and power cables for the indoor unit have been incorrectly wired, which can cause damage or prevent proper operation.

Common Causes

  • Incorrect wiring during installation
  • Accidental swapping of communication and power lines

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Immediately power off the indoor unit and the entire HVAC system.

  2. 2

    Carefully re-examine the wiring connections for both communication and power cables at the indoor unit and connection points.

  3. 3

    Correct any cross-wiring mistakes according to the installation manual to prevent damage.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

101Error 101 - Indoor unit communication error102Error 102 - Indoor/Outdoor unit communication error108Error 108 - Repeated address setting
Source: Samsung Home Automation
Open Manual (Page 22)Search more codes in this manual