Samsung Refrigerators2017–present

Error Code 41

Display panel and main control are not talking to each other

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: Communication Error between Main ↔ Panel

What This Means

Communication cable disconnected or seated improperly; Communication wire short circuit; Main PCB failure; Display panel PCB failure; UART signal corruption

What actually causes this:

Loose communication cable or PCB malfunction

First Thing to Check

Verify cable connections between main board and display panel

Parts Involved

Main Control BoardDisplay Panel PCBUART Communication Cable

How to Fix

  1. 1

    Check communication cable connection between main board and panel

  2. 2

    Verify cable is not damaged or crushed

  3. 3

    Check for loose connectors

  4. 4

    An oscilloscope is needed to verify signal integrity

  5. 5

    Replace main PCB and retest

This Error Applies To

Samsung BRF425200A Series Refrigerators (2017) (2017–present)

Service manual exact match: BRF425200AP/AAService manual exact match: DRF427500AP/DAService manual exact match: DRF429900AP/DAService manual exact match: DRF425300AP/DA

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