Error Code pc-Er
The main control board and display panel board have lost communication
Moderate
Address soon - your appliance may not work properly
Also displayed as: pc-Er
What This Means
Wiring harness between Main PCB and Panel PCB is damaged or loose; Main PCB failure; Panel PCB failure
What actually causes this:
A loose cable between the main board and the control panel, or one of the boards has failed.
First Thing to Check
Check that all connectors between the display panel and the main board are firmly seated.
Parts Involved
How to Fix
- 1
Inspect the cable connection between Main PCB and Panel PCB
- 2
Use an oscilloscope to confirm communication signal presence on the cable
- 3
Replace Main PCB first, then Panel PCB if fault persists
This Error Applies To
Samsung RF59A7670 Series Refrigerators (2022) (2022–present)
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