Samsung Washers2017–present

Error Code AC3

An internal communication module in your washer has lost its connection.

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC3

What This Means

Signals between the DR Module and main PBAs not sensed due to communication error; Incorrect or loose connector connections between DR Module and main PBA; Faulty soldering on the DR Module

What actually causes this:

A plug or connector inside the washer vibrated loose over time.

First Thing to Check

Unplug the washer for 2 minutes, then plug it back in and try again.

Parts Involved

DR ModuleMain PBAWire Harness

How to Fix

  1. 1

    1. Check the connector connections between the DR Module and main PBA

  2. 2

    2. Check for incorrect or loose connections

  3. 3

    3. Remove the DR Module and check for faulty soldering

  4. 4

    4. Replace the DR Module or main PBA if faulty

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung WF45N5300A Series Washers (2017) (2017–present)

Service manual exact match: WF45N5300AV/USService manual exact match: WF45N5300AF/USService manual exact match: WF45N5300AW/US

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