Error Code SF
The washer's main computer has malfunctioned
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF
What This Means
Micro controller operation failure on the main PCB; Main PBA defective
What actually causes this:
The main circuit board had a critical failure, often from a power surge
First Thing to Check
Turn off the washer at the circuit breaker, wait 60 seconds, and turn it back on — if the error returns, it needs the main board replaced
Parts Involved
How to Fix
- 1
1. Power cycle the washer — turn off at circuit breaker, wait 60 seconds, turn back on
- 2
2. If the error recurs, replace the Assy PCB (main board)
Other Error Codes for WF45M5100AW
The incoming water is too hot for delicate cycles
Your washer is getting too much electrical power
The washer's door lock has a wiring or switch problem
The WiFi module lost its connection to the main board
Your washer can't tell how much water is inside
The washer's motor isn't spinning correctly
Your washer can't pump the water out
The control panel can't communicate with the main circuit board