Samsung Washers2018–present

Error Code AC3

The washer's door relay module lost communication with the main board

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC3

What This Means

Signals between DR Module and main PBAs not sensed due to communication error; Incorrect or loose connector connections between DR Module and main PBAs; DR Module has faulty soldering

What actually causes this:

A loose connection between the door relay module and the main control board

First Thing to Check

Unplug the washer for 60 seconds and plug it back in to reset the electronics

Parts Involved

DR ModuleMain PBA

How to Fix

  1. 1

    1. Check the connector connections between the DR Module and main PBAs carefully

  2. 2

    2. Check for incorrect or loose connections

  3. 3

    3. Remove the DR Module and check for any faulty soldering

This Error Applies To

Samsung WF45K6 Series Washers (2018) (2018–present)

Service manual exact match: WF45K6500AV/A2Service manual exact match: WF45K6500AW/A2Service manual exact match: WF45K6200AZ/A2Service manual exact match: WF45K6200AW/A2

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