How do I fix error code AC2 on a Samsung washers?

1. undefined: 1. Check the connector connections between the DR Module and main PBA carefully 2. undefined: 2. Check for incorrect or loose connections 3. undefined: 3. Remove the DR Module and check for any faulty soldering

Samsung Washers2017–present

Error Code AC2

An internal circuit board can't communicate with the main controller

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC2

What This Means

Signals between DR Module and main PBA not sensed; Incorrect or loose connector connections between DR Module and main PBA; Faulty soldering on DR Module

What actually causes this:

A connector came loose on an internal circuit board

First Thing to Check

Unplug the washer for 5 minutes, then plug it back in

Parts Involved

DR ModuleMain PBA

How to Fix

1
1. Check the connector connections between the DR Module and main PBA carefully
2
2. Check for incorrect or loose connections
3
3. Remove the DR Module and check for any faulty soldering