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
Other Error Codes for RH29H9000SR
I/O expander chip on main board has a communication fault
Display panel and main control board cannot communicate
Main control board and inverter board cannot communicate
Refrigerator is in Cooling Off mode — not cooling
Unit is in forced manual operation / cooling test mode
Unit is in forced defrost mode