How do I fix error code AC3 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 4. undefined: 4. If connections are good, replace the DR Module or Main PBA

Samsung Washers2018–present

Error Code AC3

An internal electronic module cannot communicate with the main board

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC3

What This Means

Connector connections between DR Module and main PBA are incorrect or loose; DR Module has faulty soldering; Main PBA fault

What actually causes this:

A wire connector to the door-related module came loose or has a poor solder joint

First Thing to Check

Unplug the washer for 2 minutes and plug it back in to see if the error clears

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
4
4. If connections are good, replace the DR Module or Main PBA