How do I fix error code oP-Er / oP-Ch on a Samsung refrigerators?

1. undefined: Check that the replacement PCB is the correct part for this model 2. undefined: Verify option settings are correct 3. undefined: Inspect wiring harness connections

Samsung Refrigerators2016–present

Error Code oP-Er / oP-Ch

Q: What does error code oP-Er / oP-Ch mean on a Samsung refrigerators?

Panel and main board have conflicting option settings Option configuration mismatch between panel and main MICOM; Panel PCB replacement with incompatible firmware; Communication hardware fault

Panel and main board have conflicting option settings

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: oP-Er or oP-Ch (repeatedly ON/OFF)

What This Means

Option configuration mismatch between panel and main MICOM; Panel PCB replacement with incompatible firmware; Communication hardware fault

What actually causes this:

A replacement PCB has different option settings than the original, or there is a communication hardware issue.

First Thing to Check

Verify the replacement PCB part number matches the original for this model.

Parts Involved

Panel PCBMain PCB

How to Fix

1
Check that the replacement PCB is the correct part for this model
2
Verify option settings are correct
3
Inspect wiring harness connections

This Error Applies To

Samsung RF30KM Series Refrigerators (2016) (2016–present)

Service manual exact match: RF30KMEDB**/AAService manual exact match: RF30KM*

Related Error Codes

41-E

Display panel and main board communication has broken down

R-High-Temp

Refrigerator is too warm — door may be open or there is a cooling issue

F-High-Temp

Freezer is too warm — door may be open or cooling system is struggling

PC-Er / PC-Ch

The display panel and main control board cannot communicate

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