Error Code 47
Main control board and display panel cannot communicate
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 47
What This Means
CN40 connector on Main PCB loose or disconnected; Damaged wire between Main PCB and Panel PCB; Defective Main PCB; Defective Panel PCB
What actually causes this:
The CN40 harness between the main board and the door panel display has come loose or a board has failed.
First Thing to Check
Firmly reseat the CN40 connector on the Main PCB (in the machine compartment).
Parts Involved
How to Fix
- 1
Re-assemble CN40 connector on Main PCB
- 2
Inspect wire CN40 for damage
- 3
Replace Main PCB if error persists after reseating connector
- 4
Use oscilloscope to examine communication signal if available
This Error Applies To
Samsung RF29CB9900 Series Refrigerators (2023) (2023–present)
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