Error Code SF
The washer's main computer chip 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 hardware fault
What actually causes this:
The main control board's processor has failed, often from a power surge or manufacturing defect.
First Thing to Check
Unplug the washer for 5 minutes and plug it back in. If the error comes right back, the board has failed.
Parts Involved
How to Fix
- 1
1. Power cycle the washer
- 2
2. If error persists, replace the Assy PCB
This Error Applies To
Samsung WA50K8600A Series Washers (2016) (2016–present)
Related Error Codes
The washer's temperature sensor is giving wrong readings.
The washer has detected a water leak.
A specific internal water leak has been found.
There are too many soap suds in the washer.
The washer's vibration sensor board has a problem.
The washer's vibration sensor has a data error.
The washer's vibration sensor board has failed.
The washer cannot determine the clutch position for switching between wash and spin.