Samsung Washers2017–present

Error Code 9C1

Your washer isn't getting enough electrical power

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 9C1

What This Means

Under voltage supply to the washer; Use of a plug receptacle or extension cord causing voltage drop; Long connecting wire (1m wire can cause up to 10V momentary drop); Main PBA fault

What actually causes this:

The washer is plugged into an extension cord or power strip, causing a voltage drop

First Thing to Check

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

Parts Involved

Main PBAPower Cord

How to Fix

  1. 1

    1. Check the consumer's power conditions and operating voltage

  2. 2

    2. Connect a tester to the internal power terminals during Boil operations and observe operation

  3. 3

    3. Check whether a plug receptacle or extension cord is being used — connect directly to a wall outlet

  4. 4

    4. Verify the connecting wire is not excessively long

  5. 5

    5. If voltage is confirmed normal, replace the main PBA

This Error Applies To

Samsung WF45M5 Series Washers (2017) (2017–present)

Service manual exact match: WF45M5500AP/A5Service manual exact match: WF45M5500AW/A5Service manual exact match: WF45M5500AZ/A5Service manual exact match: WF45M5100AW/A5

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