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604

Display 604 — Communication Tracking Error (Control Kit to Wired Remote)

Samsung · Gen 6 Fault Code List.pdf Energy Lab

What does 604 mean?

This error indicates a problem with the communication tracking between the control kit and the wired remote controller.

Common Causes

  • Intermittent connection issue
  • Cable interference or damage
  • Faulty controller

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the cable connecting the control kit and wired remote is properly seated and undamaged.

  2. 2

    Minimize potential sources of electrical interference near the communication cable.

  3. 3

    Perform a reset by power cycling the control kit and remote controller.

  4. 4

    If the problem persists, contact a technician to diagnose the communication line or controllers.

Browse all codes in this manual (52)
Verified technical data. Last updated: April 2026

Related Faults

101Display 101 — Wire connection error120Display 120 — Zone 2 room temperature sensor error121Display 121 — Zone 1 room temperature sensor error
Source: Samsung Gen 6 Fault Code List.pdf Energy Lab
Open Manual (Page 45)Search more codes in this manual