Error Code 74C
The AutoFill pitcher is overflowing with water
Moderate
Address soon - your appliance may not work properly
Also displayed as: 74C
What This Means
AutoFill pitcher filled beyond maximum level; Overflow sensor disconnected or defective; Water supply valve stuck open; AutoFill water line leak; Defective Main PBA
What actually causes this:
The water supply to the pitcher isn't shutting off
First Thing to Check
Empty the pitcher and see if water stops flowing into it
Parts Involved
How to Fix
- 1
1. Empty AutoFill pitcher completely
- 2
2. Check Main PBA CN60 connector is properly inserted
- 3
3. Measure voltage between CN60 pins 7 (signal) and 3 (ground)
- 4
4. Normal: 4.5V to 5V = no overflow, 0V to 0.5V = overflow detected
- 5
5. If voltage shows overflow but pitcher is empty, replace overflow sensor
- 6
6. If voltage normal, check water supply valve
This Error Applies To
Samsung RF2 Series Refrigerators (2024) (2024–present)
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