Error Code F
Freezer temperature sensor failure or malfunction
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: F
What This Means
Sensor housing separation; Contact error; Disconnection; Short circuit; Detected temperature above 65°C or below -50°C
What actually causes this:
The temperature sensor in the freezer is not reading properly, usually due to a loose connection or failed sensor component
First Thing to Check
Verify the connector at CN20 pins 1-3 is fully seated and clean
Parts Involved
How to Fix
- 1
Measure voltage between Main PCB CN20 1PIN and 3PIN
- 2
Voltage should read between 4.5V and 1.0V
This Error Applies To
Samsung RS22T5561 Series Refrigerators
Related Error Codes
Freezer defrost cycle sensor malfunction
Communication failure between main control board and display panel
Compressor cooling fan malfunction or failure
Inverter board cannot communicate with main control board
Refrigerator temperature sensor failure
Freezer fan motor not operating or not responding
Input/Output expander chip not communicating with main processor
Dispenser panel is not communicating with main control board