Error Code 2
The fridge temperature sensor is not working
Moderate
Address soon - your appliance may not work properly
Also displayed as: 2
What This Means
Thermistor connector disconnected; Thermistor defective or open circuit; Main PCB defect
What actually causes this:
The temperature sensor wire is disconnected or the sensor failed
First Thing to Check
Check if the fridge section is cooling properly — if not, the sensor may be the issue
Parts Involved
How to Fix
- 1
1. Check voltage between Main PCB CN30 pins 1 and 5 should be within 4.5V to 1.0V range
- 2
2. Reconnect sensor if loose
- 3
3. Test thermistor resistance at reference temperatures
- 4
4. Replace thermistor if out of range
This Error Applies To
Samsung RF22M9581 Series Refrigerators
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