Samsung Washers2015–present

Error Code AC4

Your washer's WiFi module has lost connection to the main board.

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC4

What This Means

Signals between the WIFI Module and main PBAs are not sensed because of communication check; Incorrect or loose connector connections; Faulty soldering on WIFI Module

What actually causes this:

The WiFi module's internal cable has come loose.

First Thing to Check

Unplug the washer for 60 seconds, then plug it back in and try again.

Parts Involved

WIFI ModuleMain PBA

How to Fix

  1. 1

    1. Check connector connections between the WIFI Module and main PBA carefully

  2. 2

    2. Check for incorrect or loose connections

  3. 3

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

This Error Applies To

Samsung WA52J8 Series Washers (2015) (2015–present)

Service manual exact match: WA52J8700AP/A2Service manual exact match: WA52J8700AW/A2Service manual exact match: WA52J8060AW/A2

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