Error Code 24C
The freezer defrosting heater isn't working properly
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 24C
What This Means
Defrost heater housing separated; Defrost heater connector contact error; Defrost heater wire disconnection; Defrost heater short-circuit; Temperature fuse blown in heater circuit; Defect in Main PBA relay control
What actually causes this:
The defrosting heater burned out or the circuit is broken
First Thing to Check
Check if frost is building up in the freezer and can't clear
Parts Involved
How to Fix
- 1
1. Disconnect CN70 and CN85 wire harnesses
- 2
2. Measure resistance between CN70 pin 11 and CN85 pin 3
- 3
3. Normal resistance: approximately 62 ohms
- 4
4. If 0 ohms: heater is short-circuited
- 5
5. If infinity ohms: heater or temperature fuse is open-circuited
- 6
6. Check temperature fuse condition
- 7
7. If resistance normal but no heating: check Main PBA relay
This Error Applies To
Samsung RF2 Series Refrigerators (2024) (2024–present)
Related Error Codes
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