Error Code Pc - Er
Control panel lost communication with the main board
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: Pc - Er
What This Means
Communication wire harness between Panel PBA and Main PCB disconnected or damaged; Defective Main PCB; Defective Panel PBA
What actually causes this:
The display panel stopped talking to the main control board — usually a loose wire in the door hinge area or a failed control board.
First Thing to Check
Open the top right door and check that the wire connector at the upper hinge cover (where the wires pass from door to cabinet) is firmly seated.
Parts Involved
How to Fix
- 1
Check wire harness connections at the upper hinge connector (fridge door to cabinet)
- 2
Check Main PCB connector CN50
- 3
Check connector at Door Panel PBA
- 4
Replace Main PCB and retest; replace Panel PCB if issue persists
This Error Applies To
Samsung RF23 Series Refrigerators (2023) (2023–present)
Related Error Codes
Freezer defrost sensor has an open or short circuit
Fridge compartment temperature sensor is faulty or disconnected
Fridge defrost sensor is open or shorted
Freezer temperature sensor has failed or lost connection
Ambient temperature sensor has failed or is disconnected
Freezer fan motor stopped or lost feedback signal
Cool Select Room fan has stopped or lost feedback
Internal board communication chip has failed