Error Code 2E
Fridge temperature sensor has failed or is disconnected
Moderate
Address soon - your appliance may not work properly
Also displayed as: 2E
What This Means
Sensor housing connector separated or improperly inserted at CN30; Wire open-circuited or short-circuited; Wires inserted in wrong pin order on CN30; Defective thermistor
What actually causes this:
Connector on the fridge thermistor has worked loose, or the sensor has gone open-circuit from age or moisture intrusion.
First Thing to Check
Press firmly on the CN30 connector on the Main PCB to ensure it is fully seated.
Parts Involved
How to Fix
- 1
Check that Main PCB connector CN30 is fully inserted
- 2
Verify wire insertion order of CN30 matches circuit diagram
- 3
Measure voltage at CN30 pins 3 and 8 — should be 1.0V to 4.5V
- 4
If within range, check wiring and replace Main PCB if necessary
- 5
If out of range, replace temperature sensor
This Error Applies To
Samsung RF34H9950S Series Refrigerators (2018) (2018–present)
Related Error Codes
Cool Select Room fan stopped or not sending feedback
Chef Pantry fan motor has stopped
Internal fridge humidity sensor disconnected or failed
Chef Pantry temperature sensor has failed
Fridge defrost sensor disconnected or failed
Cool Select Room defrost sensor failed
Ice room sensor failed or unplugged
Freezer defrost sensor failed; defrost may not complete