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
How to Fix
- 1
Check communication cable connection between main board and panel
- 2
Verify cable is not damaged or crushed
- 3
Check for loose connectors
- 4
An oscilloscope is needed to verify signal integrity
- 5
Replace main PCB and retest
This Error Applies To
Samsung BRF425200A Series Refrigerators (2017) (2017–present)
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