Error Code 41
Communication between the main control board and the display panel has been lost
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: F and R LEDs blink (item 41)
What This Means
Damaged or disconnected communication cable between MAIN and Panel PCB; Failed MAIN PCB communication circuit; Failed Panel PCB; Poor soldering on communication lines
What actually causes this:
The internal communication link between the main circuit board and the front panel display has failed, usually due to a wiring issue or failed PCB
First Thing to Check
Check that the ribbon cable or harness connecting the inner panel to the main PCB is undamaged and fully seated
Parts Involved
How to Fix
- 1
Confirm cable between MAIN PCB and Panel PCB is undamaged and fully connected
- 2
Use oscilloscope to verify serial signal on communication cable
- 3
If cable is good, replace MAIN PCB first, then Panel PCB
This Error Applies To
Samsung RF18A5101 Series Refrigerators (2021) (2021–present)
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