Error Code SF1
The washer's main computer chip has malfunctioned.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF1
What This Means
Micro Controller operation failure on Main PCB
What actually causes this:
The main control board has failed due to a power surge or component failure.
First Thing to Check
Unplug the washer for 5 minutes, then plug it back in. If the error returns immediately, the board needs replacement.
Parts Involved
How to Fix
- 1
1. Replace Assy PCB
This Error Applies To
Samsung WA51A5505A Series Washers (2024) (2024–present)
Related Error Codes
The washer's clutch moved but did not reach the correct position.
The washer's main computer chip has malfunctioned.
The washer's main computer chip has malfunctioned.
The incoming water is too hot for the selected wash cycle.
The washer cannot pump out the water after washing.
The washer's display screen cannot communicate with the main board.
The washer is getting too much electrical power from the outlet.
The control panel and main circuit board cannot talk to each other.