Error Code PC-Er / PC-Ch
The display panel and main control board cannot communicate
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: PC-Er or PC-Ch (alternates 0.5 sec ON / 0.5 sec OFF)
What This Means
Wiring harness between panel and main PCB damaged or disconnected; Panel PCB failure; Main PCB failure
What actually causes this:
The ribbon or wiring harness between the display panel and the main PCB is damaged or disconnected.
First Thing to Check
Re-seat the connectors at CN50 on the main PCB and at the dispenser/top-cover hinge.
Parts Involved
How to Fix
- 1
Check wire harness between panel PCB and main PCB (CN50 on main board)
- 2
Check connector at upper hinge for damage
- 3
Verify no wire cuts or shorts in the display wiring
- 4
Replace Panel PCB and check if error clears; if not, replace Main PCB
This Error Applies To
Samsung RF30KM Series Refrigerators (2016) (2016–present)