How do I fix error code AC3 on a Samsung washers?

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

Samsung Washers2024–present

Error Code AC3

The dryer control module lost communication with the main board

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC3

What This Means

Signals between DR Module and main PBAs not sensed; Incorrect or loose connections between DR Module and main PBAs; DR Module faulty soldering

What actually causes this:

A connector between the dryer module and the main circuit board came loose

First Thing to Check

Unplug the washer for 5 minutes and plug it back in to reset

Parts Involved

DR ModuleMain PBA

How to Fix

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