Error Code SF
The washer's main computer chip has stopped working
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF
What This Means
Micro Controller operation failure; Main PCB processor failure
What actually causes this:
The main control board's processor failed — this is an internal electronics failure
First Thing to Check
Unplug the washer for 60 seconds and plug it back in. If the error returns immediately, the board needs replacement
Parts Involved
How to Fix
- 1
1. Power cycle the washer — unplug for 60 seconds and reconnect
- 2
2. If error persists, replace Assy PCB
This Error Applies To
Samsung WF45K6 Series Washers (2018) (2018–present)
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