Samsung Refrigerators2024–present

Error Code 122C

The proximity sensor hardware is broken

Moderate

Address soon - your appliance may not work properly

Also displayed as: 122C

What This Means

Defective TOF sensor module; TOF sensor internal circuit failure; Defective sensor image processor; Main PBA sensor input failure

What actually causes this:

The TOF sensor module failed internally

First Thing to Check

Welcome Lighting feature won't activate when you approach

Parts Involved

TOF Sensor ModuleMain PBASensor Connector

How to Fix

  1. 1

    1. Verify TOF sensor module connector is fully inserted

  2. 2

    2. Check for loose or bent connector pins

  3. 3

    3. Measure voltage at CN60 pins 14-16 — should be 5V

  4. 4

    4. If voltage abnormal, replace Main PBA

  5. 5

    5. If voltage normal but error persists, replace TOF sensor module

This Error Applies To

Samsung RF2 Series Refrigerators (2024) (2024–present)

Service manual exact match: RF29DService manual exact match: RF23DService manual exact match: RF29DB9900Service manual exact match: RF23DB9900Service manual exact match: RF29DB9750Service manual exact match: RF23DB9750Service manual exact match: RF29DB9700Service manual exact match: RF23DB9700+2 more

Need more help with your Samsung refrigerators?