Error Code 6
Room temperature sensor not working
Moderate
Address soon - your appliance may not work properly
Also displayed as: 6C
What This Means
Connector not seated at Main PCB CN30 pins 1 and 2; Ambient thermistor wire damaged; Thermistor defective; Main PCB defective
What actually causes this:
Ambient sensor connector came unplugged or sensor failed
First Thing to Check
Check if refrigerator is cycling on and off normally — poor cycling can indicate ambient sensor issue
Parts Involved
How to Fix
- 1
1. Locate ambient sensor — typically near compressor compartment
- 2
2. Inspect CN30 connector pins 1 and 2
- 3
3. Measure voltage between pins — should read 4.5V to 1.0V
- 4
4. Reseat connector and test
- 5
5. If voltage abnormal after reseating, replace ambient sensor
This Error Applies To
Samsung RF22N9781 Series Refrigerators (2018) (2018–present)
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