Error Code oP-Er / oP-Ch
There is a configuration mismatch between the panel and main boards
Moderate
Address soon - your appliance may not work properly
Also displayed as: oP-Er or oP-Ch alternating on panel
What This Means
EEPROM option data mismatch between panel and main; Main PCB replaced without matching option settings; Communication fault between panel and main
What actually causes this:
A replacement PCB with different factory option settings than the original, or a corrupted EEPROM.
First Thing to Check
Enter option setting mode (Lighting Key + Fridge Key held 12 seconds) and verify settings are at default (all 0).
Parts Involved
How to Fix
- 1
Check panel and main PCB communication wiring
- 2
Re-enter option settings via option setting mode (Lighting Key + Fridge Key held 12 seconds)
- 3
Replace panel or main PCB if error persists
This Error Applies To
Samsung RH22H9010S Series Refrigerators (2018) (2018–present)
Related Error Codes
Display panel and main control board cannot communicate
Main control board and inverter board cannot communicate
I/O expander chip on main board has a communication fault
Refrigerator is in Cooling Off mode — not cooling
Unit is in forced manual operation / cooling test mode
Unit is in forced defrost mode