Error Code 33E
Cool Select Room fan has stopped or lost feedback
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 33E
What This Means
Defective CV fan motor; CV fan wire disconnected; No pulse feedback signal from motor
What actually causes this:
The fan circulating air through the Cool Select Room compartment has failed or lost its wire connection.
First Thing to Check
Remove the Cool Select Room drawers and listen for fan operation during forced operation — ice buildup can block the fan blade.
Parts Involved
How to Fix
- 1
Activate Forced Operation
- 2
Measure voltage between Main PCB CN74 pins 1 and 5; should be DC 7V–12V
- 3
Check pulse signal at CN74 pin 8 (CV-FAN feedback)
This Error Applies To
Samsung RF23 Series Refrigerators (2023) (2023–present)
Related Error Codes
Freezer defrost sensor has an open or short circuit
Fridge compartment temperature sensor is faulty or disconnected
Fridge defrost sensor is open or shorted
Freezer temperature sensor has failed or lost connection
Ambient temperature sensor has failed or is disconnected
Freezer fan motor stopped or lost feedback signal
Internal board communication chip has failed
Cool Select Room temperature sensor is disconnected or failed