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
Other Error Codes for RF23DG9600
The proximity sensor hardware is broken
The freezer temperature sensor isn't reading correctly
The fridge temperature sensor isn't reading correctly
The humidity sensor isn't working properly
The Cool Select room temperature sensor is malfunctioning
The Cool Select room fan isn't working properly
The ice maker temperature sensor isn't working
The cubed ice maker has failed multiple times