Error Code F
Freezer temperature sensor not working
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: F LED blinks
What This Means
Sensor connector loose or disconnected; Sensor resistance out of range 4.5V-1.0V; Defective thermistor 502AT
What actually causes this:
Thermistor sensor went bad or wiring came loose from vibration
First Thing to Check
Check if sensor wire is plugged firmly into the main circuit board below the freezer
Parts Involved
How to Fix
- 1
Check MAIN PCB CN20-10 to CN20-12 voltage range 4.5V~1.0V
- 2
Verify sensor connection at freezer location
This Error Applies To
Samsung RF28R7201 Series Refrigerators (2010) (2010–present)
Related Error Codes
Fridge cooling fan malfunction
Flex zone temperature control heater failure
Ice room fan not operating
Ice maker not making ice
Main board input/output chip failure
Dispenser display not communicating
Compressor control board communication failed
Ice storage compartment heater failure