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
Other Error Codes for WA50K8600AV
The washer's WiFi module lost communication with the main board.
The washer's temperature sensor is giving wrong readings.
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 clutch position sensor is sending incorrect signals.
The washer's display module lost communication with the main board.
The washer cannot detect how much water is in the tub.