Error Code 22
Refrigerator compartment fan motor is not running
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: F and R LEDs blink (item 22)
What This Means
Failed BLDC fan motor; Ice or obstruction blocking fan blade; Loose or damaged wiring connector; Failed MAIN PCB fan drive output
What actually causes this:
The fan that circulates cool air through the fridge section has failed or is obstructed
First Thing to Check
Open the fridge and listen for the fan noise — check if anything is blocking the fan behind the evaporator cover
Parts Involved
How to Fix
- 1
Check voltage between CN51 pin 18 (BRN) and CN51 pin 20 (GRY); should be DC 7-12V when running
- 2
Enter Test Mode and verify fan runs under manual operation
- 3
Check pulse signal at CN51 pin 16 (YEL)
This Error Applies To
Samsung RF18A5101 Series Refrigerators (2021) (2021–present)
Related Error Codes
Fridge compartment defrost sensor is faulty or disconnected
Fridge temperature sensor is open, shorted, or disconnected
Ice maker temperature sensor in freezer is faulty or disconnected
Freezer defrost heater or its protection device has failed
Freezer defrost sensor is faulty or its protective bimetal/fuse has opened
Humidity sensor is faulty or disconnected
Fridge compartment defrost heater or protection device has failed
Freezer temperature sensor is open, shorted, or disconnected