Samsung Washers2024–present
Error Code SF1
The washer's main computer chip has failed
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: SF1 / SF2 / SF3
What This Means
Micro Controller operation fail
What actually causes this:
The main control board's processor has malfunctioned
First Thing to Check
Unplug for a few minutes. If error returns, the board must be replaced.
Parts Involved
Main PBA (Assy PCB)
How to Fix
- 1
1. Replace Assy PCB
This Error Applies To
Samsung WA45H7000AW Series Washers (2024) (2024–present)
Service manual exact match: WA45H7000AW/A2
Related Error Codes
AE5
The display module can't communicate with the main board
AE6
The motor controller can't communicate with the main board
tE1
The water temperature sensor isn't working right
UE
The laundry load is uneven
Sud
There are too many soap suds
8E
An internal sensor board has stopped working
9E1
The washer is getting too much power
9E2
The washer isn't getting enough power