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
Other Error Codes for RF28N9780
Freezer temperature sensor malfunction
Ice maker temperature sensor failure
Fridge temperature sensor is not responding
Convertible zone temperature sensor failure
Ice storage area temperature sensor malfunction
Freezer defrost sensor is faulty
Convertible zone defrost sensor malfunction
Internal humidity sensor not responding