Error Code F6
Humidity monitoring system is not working
Moderate
Address soon - your appliance may not work properly
Also displayed as: F6 LED blink
What This Means
Sensor housing separation; Contact error at connector; Sensor wire disconnection; Short circuit in sensor line; Moisture damage to sensor
What actually causes this:
Sensor gets wet from condensation or splash, causing internal circuit failure
First Thing to Check
Inspect the humidity sensor location in the fresh food compartment for visible moisture or damage
Parts Involved
How to Fix
- 1
Measure voltage between MAIN PCB CN30-3 and CN76-1
- 2
Voltage should be between 4.5V and 1.0V
- 3
Inspect sensor for moisture or physical damage
- 4
Check connector seating and cleanliness
- 5
Verify wiring integrity
This Error Applies To
Samsung RF221NCTAS Series Refrigerators (2012) (2012–present)
Related Error Codes
Water supply heater for ice maker is not working
Defrost system cannot monitor freezer coil temperature
Ice maker temperature sensor is not working properly
Ice maker is not able to make or dispense ice
Freezer section is not getting circulation air flow
Refrigerator compressor will not operate or is operating abnormally
Refrigerator cannot sense the room temperature
Fresh food compartment is not getting enough cold air circulation