Samsung Washers2024–present

Error Code 9C1

The washer is getting too much or unstable power

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 9C1

What This Means

Power supply voltage too high; PCB fault; Wire harness issue

What actually causes this:

The electrical outlet voltage is too high or unstable, possibly from using an extension cord

First Thing to Check

Make sure the washer is plugged directly into a wall outlet, not an extension cord

Parts Involved

Main PBAWire Harness

How to Fix

  1. 1

    1. Check the PCB and wire harness

  2. 2

    2. Check if power is supplied properly

  3. 3

    3. Connect a tester to internal power terminals during Boil or Dry operations and observe voltages

  4. 4

    4. Check whether a plug receptacle/extension cord is used — 1m connecting wire can cause up to 10V momentary drop

This Error Applies To

Samsung WA44A3405AW Series Washers (2024) (2024–present)

Service manual exact match: WA44A3405AW/A4

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