Error Code AC2
Your washer's internal input/output board has lost connection.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC2
What This Means
Signals between the I/O Board and main PBA are not sensed because of communication check; Incorrect or loose connector connections; Faulty soldering on I/O Board
What actually causes this:
A loose internal cable connection, often from vibration during spin cycles.
First Thing to Check
Unplug the washer for 60 seconds, then plug it back in and try again.
Parts Involved
How to Fix
- 1
1. Check connector connections between the I/O Board and main PBA carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the I/O Board and check for any faulty soldering
This Error Applies To
Samsung WA52J8 Series Washers (2015) (2015–present)
Related Error Codes
Your washer's water heating element has a specific fault.
Your washer's leak sensor has been triggered.
Your washer's motor cannot spin properly.
Your washer cannot pump the water out.
Your washer's control boards cannot talk to each other.
Your washer cannot detect the water level properly.
Your washer is not getting enough water to fill.
The water coming into your washer is too hot for the selected cycle.