Samsung Refrigerators2013–present
Error Code PC-Er
Control panel cannot communicate with main refrigerator computer
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: PC-Er displayed alternating ON/OFF on panel PCB
What This Means
No response from panel micom for 10 seconds; Harness disconnection between panels; Panel PCB malfunction; Main micom communication failure
What actually causes this:
Loose harness connection between control board and display panel
First Thing to Check
Unplug and reseat the communication cable between main board and control panel
Parts Involved
Panel PCBMain Microcontroller BoardCommunication Harness
How to Fix
- 1
Verify all panel harness connections are fully seated
- 2
Check CN connections at both main and panel PCBs
- 3
Listen for buzzer sound pattern
- 4
Test communication by pressing buttons
This Error Applies To
Samsung RF28HMEDBS Series Refrigerators (2013) (2013–present)
Service manual exact match: RF28HMEDBSRService manual exact match: RF28HMEDBBCService manual exact match: RF28HMEDBWWService manual exact match: RF25HMEDBSRService manual exact match: RF25HMEDBBCService manual exact match: RF25HMEDBWW