Error Code 120C
The main board can't communicate with the proximity sensor
Moderate
Address soon - your appliance may not work properly
Also displayed as: 120C
What This Means
TOF sensor module connector improperly inserted; TOF sensor wire disconnection; Defective TOF sensor module; Defective Main PBA; Cable damage or short circuit
What actually causes this:
The TOF sensor module connection is loose or failed
First Thing to Check
Welcome Lighting feature won't work
Parts Involved
How to Fix
- 1
1. Check TOF sensor module connector at Main PBA CN60
- 2
2. Verify connector pins 14 and 16 connections
- 3
3. Check voltage between CN60 pins 14 and 16 — should be 5V
- 4
4. Inspect communication wires for damage
- 5
5. If voltage is not 5V, replace Main PBA
- 6
6. If 5V present but error persists, replace TOF sensor module
This Error Applies To
Samsung RF2 Series Refrigerators (2024) (2024–present)
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