Samsung Washer Error Code SF: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
SF
Brand
Samsung
Product Type
washer
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code SF on your Samsung washer means a system function error, often caused by a control board glitch or wiring issue. This guide will help you troubleshoot and fix the problem step by step.
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Tools You'll Need

How to Fix Error Code SF

  1. Power Cycle the Washer

    Always unplug the washer before attempting any repairs.

  2. Check Wire Harness Connections

    Ensure the washer is unplugged before removing panels.

  3. Test the Main Control Board

    Only use a multimeter if you are comfortable with electrical testing. Otherwise, call a professional.

  4. Replace the Main Control Board

    Make sure to discharge any static electricity before handling the new board.

Parts You May Need

Main control board
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Main control board
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Main control board
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Main control board
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When to Call a Professional

If power cycling and checking harness connections don't resolve the error, or if you are uncomfortable testing electrical components, contact a qualified appliance technician to replace the control board.

Frequently Asked Questions

What does error code SF mean on a Samsung washer?
SF stands for System Function error. It indicates a communication or hardware problem between the control board and other components.
Can I reset my Samsung washer to clear error code SF?
Yes, unplug the washer for 2-3 minutes and plug it back in. This resets the control board and may clear the error.
Is it safe to keep using my washer with error code SF?
No, it's not recommended. The error indicates a malfunction that could cause further damage or pose a risk. Troubleshoot or call a professional.
How much does it cost to fix a Samsung washer error code SF?
If the control board needs replacement, the part costs $50-$150, plus labor if you hire a technician. DIY repair saves labor costs.
Can a power surge cause error code SF?
Yes, power surges can damage the control board or create temporary glitches. Using a surge protector can help prevent this.

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