What does error code SF mean on a Samsung washers?

The washer's main computer chip has failed Micro Controller operation failure; Main PCB fault

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

1. undefined: 1. Power cycle the washer (unplug for 60 seconds) 2. undefined: 2. If error returns, replace Assy PCB (Main PCB)

Samsung Washers2019–present

Error Code SF

The washer's main computer chip has failed

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: SF

What This Means

Micro Controller operation failure; Main PCB fault

What actually causes this:

The main control board's processor stopped working, often from a power surge

First Thing to Check

Unplug the washer for 60 seconds, then plug it back in and try to start a cycle

Parts Involved

Main PCB (Assy PCB)

How to Fix

1
1. Power cycle the washer (unplug for 60 seconds)
2
2. If error returns, replace Assy PCB (Main PCB)

This Error Applies To

Samsung WF50R8500A Series Washers (2019) (2019–present)

Service manual exact match: WF50R8500AV/USService manual exact match: WF50R8500AW/USService manual exact match: WF50A8800AV/USService manual exact match: WF24A8900AV/APService manual exact match: WF50A8600AE/USService manual exact match: WF25A8900AW/AXService manual exact match: WF50A8600AV/USService manual exact match: WF25A8900AV/CO