What does error code SF3 mean on a Samsung washers?

The washer's main computer has crashed. Micro controller operation failure; Main PCB fault

How do I fix error code SF3 on a Samsung washers?

1. undefined: 1. Replace the Assy PCB (Main PBA)

Samsung Washers2022–present

Error Code SF3

The washer's main computer has crashed.

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: SF3

What This Means

Micro controller operation failure; Main PCB fault

What actually causes this:

The main circuit board has suffered a hardware failure.

First Thing to Check

Unplug the washer for 5 minutes, then plug it back in. If the error returns immediately, it needs repair.

Parts Involved

Main PBA (Assy PCB)

How to Fix

1
1. Replace the Assy PCB (Main PBA)

This Error Applies To

Samsung WA50R5400A Series Washers (2022) (2022–present)

Service manual exact match: WA50R5400AVService manual exact match: WA50R5200AWService manual exact match: WA54R7600AWService manual exact match: WA54R7200AWService manual exact match: WA50T5300AWService manual exact match: WA52M7750AWService manual exact match: WA50R5200AVService manual exact match: WA54R7600AV+2 more

Related Error Codes

SF2

The washer's main computer has crashed.

8CB4

The vibration sensor may have failed.

An antibacterial system component has stopped working.

TC1

The water temperature sensor inside the wash tub is not reading correctly.

TC2

The temperature sensor for the drying function is not reading correctly.

The laundry inside the washer is bunched up on one side.

SUD

There are too many soap suds in the washer.

8CB1

The vibration sensor board has a fault.

Need more help with your Samsung washers?