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25, 26

Error 25, 26 / L-M COMMUNICATION ERROR — Main controller communication lost with load

Samsung · Refrigerators

What does 25, 26 mean?

The Refrigerator's LCD panel letters will repeatedly turn on and off, and a buzzer will sound. This indicates that the main controller (MICOM MAIN) is not communicating with a load component for over 10 seconds. This error is related to communication issues with the electric power cord modem.

Common Causes

  • Interruption in communication between main controller and load
  • Communication error with the electric power cord modem
  • Loose connection in the power cord or related wiring

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug the Refrigerator from the wall outlet. Wait at least 30 seconds, then plug it back in.

  2. 2

    Check that the Refrigerator's power cord is securely plugged into both the wall outlet and the back of the unit.

  3. 3

    If the error persists, contact customer support for further assistance.

Browse all codes in this manual (117)
Verified technical data. Last updated: April 2026

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Source: Samsung Refrigerators
Open Manual (Page 12)Search more codes in this manual