Error Code AC4

The WiFi module has lost communication with the main control board.

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC4

What This Means

WIFI Module communication failure; Incorrect/loose connections; Faulty soldering

What actually causes this:

A loose plug at the WiFi module, or the module itself has failed.

First Thing to Check

Unplug the washer, wait one minute, plug it back in, and try again.

Parts Involved

WIFI ModuleMain PBA

How to Fix

  1. 1

    1. Check connector connections between WIFI Module and main PBA

  2. 2

    2. Check for incorrect or loose connections

  3. 3

    3. Remove WIFI Module and check for faulty soldering

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