Error Code SF
The main computer board inside the washer has failed
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF
What This Means
Main PCB micro controller malfunction; Power surge or electrical interference; Main PBA hardware failure
What actually causes this:
The main control board had a hardware failure, possibly from a power surge
First Thing to Check
Unplug the washer for 60 seconds and plug it back in — if the error returns, the board needs replacement
Parts Involved
How to Fix
- 1
1. Power cycle the washer — unplug for 60 seconds and restart
- 2
2. If error persists, replace Assy PCB
Other Error Codes for WF22C6400AW
A button on the control panel is stuck or pressed in
The washer thinks the door is open
The small add-door on the front of the washer is open
The small add-door lock motor is not working correctly
The washer overheated and shut itself off for safety
The washer is filling with too much water and cannot stop
The washer is not filling with water
The washer is not getting the right amount of electrical power