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

1. undefined: 1. Check 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

An internal module is not communicating with the main board.

Moderate

Address soon - your appliance may not work properly

Also displayed as: AC3

What This Means

Signals between the DR Module and main PBAs not sensed due to communication check; Incorrect or loose connector connections between DR Module and main PBAs; Faulty soldering on DR Module

What actually causes this:

A connector between modules has worked loose over time from vibration.

First Thing to Check

Unplug the washer for 60 seconds, then plug it back in and try again.

Parts Involved

DR ModuleMain PBA

How to Fix

1
1. Check 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

This Error Applies To

Samsung WA51A5505A Series Washers (2024) (2024–present)

Service manual exact match: WA51A5505AVService manual exact match: WA51A5505APService manual exact match: WA51A5505AWService manual exact match: WA49B5205AWService manual exact match: WA52A5500AVService manual exact match: WA52A5500APService manual exact match: WA52A5500AWService manual exact match: WA54A7305AV+2 more