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Communication error after tracking

Communication error after finishing tracking — System communication issue following a tracking process

Samsung · Air Conditioning

What does Communication error after tracking mean?

A communication error has occurred after the system completed a 'tracking' procedure. This might relate to unit pairing or initial setup processes and indicates an internal communication issue.

Common Causes

  • An interruption occurred during a system tracking or setup process.
  • Loose or faulty communication wiring within the system.
  • A temporary software glitch or system hang.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power cycle the air conditioner by turning it off at the main breaker, waiting a few minutes, then turning it back on.

  2. 2

    Verify all communication cables are securely connected between units and system components.

  3. 3

    If the error persists, consult the installation or setup section of the manual for 'tracking' procedures specific to your model.

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 between indoor/outdoor INV MAIN MICOM (1 min)Communication error between main and inverter microcontrollers — Internal communication fault
Source: Samsung Air Conditioning
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