mypros+
Error code reference

Samsung Refrigerator Error Code oP Er

Option setting mismatch between MAIN PCB and PANEL PCB; displayed when model option settings are not identical.

Samsung codesSamsung refrigerator codes
Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the oP Er error code actually means

This error means your refrigerator's two main computer boards are not speaking the same language because their internal settings do not match each other. It usually happens after a repair where one of the boards was replaced with one that was not set up correctly for your specific model. A technician will need to access both boards and adjust the settings so they match.

Diagnostic procedure

The full oP Er procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Verify that option settings on both MAIN PCB and PANEL PCB are identical.
Unlock with pass
Unlock with pass
Unlock with pass
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock oP Er procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of oP Er

Ranked by how often they cause this code
  1. 1Replacement board not configured for the model
  2. 2Incorrect replacement board installed
  3. 3Option data corruption on one board
  4. 4Both boards replaced without matching configuration
  5. 5Faulty MAIN PCB or PANEL PCB

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about oP Er

What does oP Er mean on a Samsung refrigerator?
The oP Er code means there is an option setting mismatch between the MAIN PCB (main control board) and the PANEL PCB (display board). These two boards store configuration data specific to the refrigerator model, and the code appears when that data does not match between them. It is most commonly seen after a control board replacement where the new board was not programmed to match the existing one.
Will resetting my Samsung refrigerator clear the oP Er code?
A basic power reset will not clear the oP Er error because the problem is stored configuration data on the control boards, not a temporary fault. The mismatch will still exist after power is restored and the error will return. The option settings on both boards must be made identical before the code will clear.
How much does it cost to repair the oP Er error on a Samsung refrigerator?
If the repair only requires reconfiguring the option settings on an existing board, labor costs for a service technician visit typically range from $75 to $200 depending on location and the complexity of the procedure. If a control board must be replaced, parts costs can range from $100 to $400 or more depending on the specific board, in addition to labor. Getting a diagnostic estimate before authorizing any parts replacement is always recommended.
Can I fix the oP Er error myself?
Resolving this error requires accessing a service or diagnostic mode on the refrigerator to view and edit the option settings on both the MAIN PCB and PANEL PCB. While a knowledgeable DIYer may be able to follow a service procedure for their specific model, the process involves navigating technical board configuration menus that are not part of standard user controls. If you are not comfortable with that level of repair, a qualified technician is the safer option.
Is the oP Er error dangerous, and can I still use my refrigerator?
The oP Er code signals a communication and configuration conflict between the control boards, which means the refrigerator may not operate according to its intended programming. Cooling performance and feature operation could be unreliable while this error is active. It is best to address the issue promptly rather than continue relying on the refrigerator to maintain safe food storage temperatures.

Related Samsung refrigerator error codes

All Samsung refrigerator codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass