Error Code 52
Main board has lost communication with the Wi-Fi module
Minor
Usually easy to fix - may resolve on its own
Also displayed as: F and R LEDs blink (item 52)
What This Means
Damaged or disconnected Wi-Fi module cable; Failed MAIN PCB Wi-Fi communication circuit; Failed Wi-Fi module PCB
What actually causes this:
The Wi-Fi connectivity module has lost its communication link to the main board
First Thing to Check
Check that the Wi-Fi module cable is firmly connected on both ends
Parts Involved
How to Fix
- 1
Check cable between MAIN PCB and Wi-Fi module
- 2
Use oscilloscope to verify signal after confirming cable integrity
- 3
Replace MAIN PCB or Wi-Fi PCB accordingly
This Error Applies To
Samsung RF18A5101 Series Refrigerators (2021) (2021–present)
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