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110

Error 110 — Communication error between Hydro unit and Control kit

Samsung · AC & Climate Systems

What does 110 mean?

This error indicates a communication failure between the Hydro unit's main circuit board (PBA) and the Control kit's circuit board (PBA).

Common Causes

  • Faulty connection between Hydro unit and Control kit
  • Damaged communication cable
  • Problem with the Control kit PBA

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the connection between the Hydro unit and the Control kit.

  2. 2

    Verify the communication cable is properly seated and undamaged.

  3. 3

    Check the integrity of the Control kit's PBA.

  4. 4

    Power cycle the system to see if the error clears.

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

Related Faults

101Error 101 — Indoor unit communication error102Error 102 — Communication error between indoor and outdoor units108Error 108 — Repeated address setting
Source: Samsung AC & Climate Systems
Open Manual (Page 22)Search more codes in this manual