Error Code 121C
The proximity sensor isn't detecting movement
Moderate
Address soon - your appliance may not work properly
Also displayed as: 121C
What This Means
TOF sensor lens dirty or obstructed; TOF sensor module malfunction; Defective TOF sensor; Main PBA sensor input failure
What actually causes this:
The sensor lens is dirty or the sensor is broken
First Thing to Check
Clean the sensor lens gently with a soft cloth
Parts Involved
How to Fix
- 1
1. Clean TOF sensor lens with soft, dry cloth
- 2
2. Remove any dirt, ice, or condensation
- 3
3. Check sensor mounting position
- 4
4. Verify sensor has clear line of sight
- 5
5. If error persists after cleaning, replace TOF sensor module
This Error Applies To
Samsung RF2 Series Refrigerators (2024) (2024–present)
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