How do I fix error code AC5 on a Samsung washers?

1. undefined: 1. Check the connector connections between the LCD Module and main PBA carefully 2. undefined: 2. Check for incorrect or loose connections 3. undefined: 3. Remove the LCD Module and check for any faulty soldering 4. undefined: 4. If connections are fine, replace the LCD Module or main PBA

Samsung Washers2024–present

Error Code AC5

The display screen stopped communicating with the main board

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC5

What This Means

Communication error between LCD Module and main PBA; Incorrect or loose connections between LCD Module and main PBA; Faulty soldering on LCD Module

What actually causes this:

The display connector came loose or the display module is faulty

First Thing to Check

Unplug the washer for 60 seconds and plug it back in — if the display stays blank, it needs service

Parts Involved

LCD ModuleMain PBAWire Harness

How to Fix

1
1. Check the connector connections between the LCD Module and main PBA carefully
2
2. Check for incorrect or loose connections
3
3. Remove the LCD Module and check for any faulty soldering
4
4. If connections are fine, replace the LCD Module or main PBA

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung WF45A6400A Series Washers (2024) (2024–present)

Service manual exact match: WF45A6400AV/USService manual exact match: WF45A6400AW/USService manual exact match: WF45A6400AC/USService manual exact match: WF22C6400AV/AXService manual exact match: WF22C6400AW/AXService manual exact match: WF22C6400AP/CO