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
Other Error Codes for RF22R7351EU
Freezer temperature sensor is broken or disconnected
Outside temperature sensor is not working
Ice storage room temperature sensor is not working
Flex Zone damper heater circuit is broken
Refrigerator temperature sensor is broken or disconnected
Flex-Zone temperature sensor is broken or disconnected
Freezer fan motor is not running
Control board IO expander chip is not working