What 33E means
The refrigerator detected a problem with the heater that keeps the ice chute from freezing.
Likely causes
- Ice pipe heater or wiring fault
Safe first checks
- Take a photo of the code and don't clear it. Request service.
When to stop
This needs a technician.
Checked against: Samsung US: Samsung refrigerator error codes. Codes can differ by model and year, so confirm with your owner's manual.