Samsung Refrigerators2013–present
Error Code PC-Er or PC-Ch
Display panel can't talk to main control board
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: LED ON/OFF alternately (0.5 sec intervals)
What This Means
Communication cable disconnected or loose; Panel PCB defect; Main PCB defect; Wire harness damage
What actually causes this:
Communication cable came loose or control board failed
First Thing to Check
Check if display is dark or unresponsive
Parts Involved
Panel PCBMain PCBCommunication cable/harness
How to Fix
- 1
1. Check communication cable between panel and main PCB
- 2
2. Verify cable connectors are fully seated
- 3
3. Check for visible wire damage
- 4
4. Confirm cable continuity if available
- 5
5. If cable is normal, use oscilloscope to verify signal
- 6
6. Replace Main or Panel PCB after cable verification
This Error Applies To
Samsung RF23HCED Series Refrigerators (2013) (2013–present)
Service manual exact match: RF23HCEDTSRService manual exact match: RF23HCEDBSRService manual exact match: RF23HCEDBBCService manual exact match: RF23HCEDBWW