Error Code AC2
An internal circuit board has lost communication with the main control board.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC2
What This Means
I/O Board communication failure
What actually causes this:
A loose connection on one of the internal circuit boards.
First Thing to Check
Unplug the washer, wait one minute, plug it back in, and try again.
Parts Involved
How to Fix
- 1
1. Check I/O Board connections
This Error Applies To
Samsung WA50B5100A Series Washers (2024) (2024–present)
Related Error Codes
The dryer heating element has a wiring or component failure.
The washer's main computer chip has stopped working.
The washer's main computer chip has stopped working.
The drain module has lost communication with the main control board.
The display module has lost communication with the main control board.
The motor speed controller has lost communication with the main control board.
A button on the control panel appears to be stuck or pressed continuously.
The washer's heating element has a problem or is overheating.