Error Code 2
Fridge temperature sensor has failed or disconnected
Moderate
Address soon - your appliance may not work properly
Also displayed as: LED 2 blink
What This Means
Sensor housing slipped out of connector; Wire cut (open circuit); Wire short circuit; Sensor reads temperature out of valid range
What actually causes this:
The wire to the fridge compartment thermistor has come loose or broken, or the sensor has drifted out of spec.
First Thing to Check
Check that the sensor connector at CN3 pins 1 and 3 is firmly plugged in.
Parts Involved
How to Fix
- 1
Access self-diagnostic mode (Freezer Key + Fridge Key held 8 seconds)
- 2
Measure voltage at Case Connector CN3 pin #1 to pin #3 — should be between 1.0V and 4.5V
- 3
Inspect wiring harness from sensor to PCB case
- 4
Compare voltage reading to temperature/voltage table for expected correlation
This Error Applies To
Samsung RS27FDBTNS Series Refrigerators (2016) (2016–present)
Related Error Codes
Fridge defrost sensor has failed or lost connection
Fridge cooling fan motor is not spinning or sending feedback
Freezer temperature sensor has failed or disconnected
Ambient room temperature sensor has failed or disconnected
Ice maker temperature sensor has failed or disconnected
Main board and inverter compressor board have lost communication
Freezer defrost sensor has failed or lost connection
Interior humidity sensor has failed or disconnected