Error Code CP
Main board and display panel are not talking to each other
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: CP LED blinks
What This Means
Communication cable disconnected; Connector pins bent or corroded; Main board PCB failure; Display panel PCB failure
What actually causes this:
Loose cable or failed circuit board
First Thing to Check
Unplug and check if communication cable between boards is firmly seated
Parts Involved
How to Fix
- 1
1. Check communication cable between main and panel boards
- 2
2. Inspect connector pins for damage or corrosion
- 3
3. Use oscilloscope to verify signal transmission
- 4
4. Check PCB soldering quality on both boards
This Error Applies To
Samsung RF22R7351 Series Refrigerators (2010) (2010–present)
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