Error Code SF
The washer's main computer has crashed.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF
What This Means
Micro Controller Operation Fail; Main PBA internal processor fault
What actually causes this:
The main circuit board has had a processor failure, often from a power surge.
First Thing to Check
Unplug the washer for one minute and plug it back in to see if the error clears.
Parts Involved
How to Fix
- 1
1. Power cycle the washer by unplugging for 1 minute
- 2
2. If the error persists, replace the Assy PCB (main board)
This Error Applies To
Samsung WF50K7500A Series Washers (2016) (2016–present)
Related Error Codes
The washer's door lock mechanism is not working properly.
The washer's display screen has lost communication with the main board.
The washer cannot pump out the water after a cycle.
The control panel and the main computer board are not communicating.
The washer's motor cannot spin or is struggling to turn.
The washer cannot detect how much water is in the tub.
The washer is receiving too much electrical power.
The washer's WiFi module has lost communication with the main board.