Samsung Refrigerators2017–present

Error Code OP-Ch

System options settings are not being properly communicated or stored

Moderate

Address soon - your appliance may not work properly

Also displayed as: OP-Ch

What This Means

Communication cable intermittent or faulty; EEPROM memory error on main PCB; Option data corrupted in microcontroller memory; Bad solder on EEPROM connection pins; Defective display panel or main PCB

What actually causes this:

Communication glitch or corrupted memory in control board

First Thing to Check

Power off for 30 seconds and turn back on to reset system

Parts Involved

Display Panel PCBMain MICOM EEPROMCommunication Cable

How to Fix

  1. 1

    1. Check communication cable connection stability

  2. 2

    2. Power cycle the refrigerator to reset option data

  3. 3

    3. Check if option code is displayed with ON/OFF blinking

  4. 4

    4. Verify main PCB power supply is stable

  5. 5

    5. Inspect EEPROM solder connections if accessible

  6. 6

    6. Attempt to access option settings mode again

This Error Applies To

Samsung DRF36C100SR Series Refrigerators (2017) (2017–present)

Service manual exact match: DRF36C100SR

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