Error Code 18E
Cool Select Room fan stopped or not sending feedback
Moderate
Address soon - your appliance may not work properly
Also displayed as: 18E
What This Means
Defective Cool Select fan motor; Wire separation; Feedback contact error at CN76 pin 8
What actually causes this:
Fan motor seized or connector separated in the Cool Select compartment.
First Thing to Check
Remove the Cool Select evaporator cover and inspect the fan motor and its connector.
Parts Involved
How to Fix
- 1
Run forced operation
- 2
Measure voltage at Main PCB GND to CN76 pin 5 — should be DC 8–12V
- 3
Check feedback pulse at CN76 pin 8
This Error Applies To
Samsung RF34H9950S Series Refrigerators (2018) (2018–present)
Related Error Codes
Chef Pantry fan motor has stopped
Internal fridge humidity sensor disconnected or failed
Fridge temperature sensor has failed or is disconnected
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