How do I fix error code OP Er on a Samsung refrigerators?

1. undefined: Note if OP Er or OP Ch is displayed 2. undefined: Verify correct Panel PCB part number for this model 3. undefined: Replace Main PCB if error persists after harness checks

Samsung Refrigerators2023–present

Error Code OP Er

Q: What does error code OP Er mean on a Samsung refrigerators?

Control panel option settings are mismatched or in error EEPROM option data mismatch; Panel PCB replaced with incompatible model; Communication error during option setup

Control panel option settings are mismatched or in error

Moderate

Address soon - your appliance may not work properly

Also displayed as: OP Er

What This Means

EEPROM option data mismatch; Panel PCB replaced with incompatible model; Communication error during option setup

What actually causes this:

The option configuration stored on the main board doesn't match what the display panel expects — can happen after a PCB replacement with an incorrect part.

First Thing to Check

If a PCB was recently replaced, verify the part number is correct for this exact model variant.

Parts Involved

Main PCB (EEPROM)Panel PBA

How to Fix

1
Note if OP Er or OP Ch is displayed
2
Verify correct Panel PCB part number for this model
3
Replace Main PCB if error persists after harness checks

This Error Applies To

Samsung RF23 Series Refrigerators (2023) (2023–present)

Service manual exact match: RF23K*Service manual exact match: RF23J*Service manual exact match: RF23J*/RF23K

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

21E

Freezer fan motor stopped or lost feedback signal

33E

Cool Select Room fan has stopped or lost feedback

46E

Internal board communication chip has failed

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