Error Code AC2
An internal circuit board is not communicating properly.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC2
What This Means
I/O Board communication failure with main PBA
What actually causes this:
A connector has come loose 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 I/O board and main PBA
- 2
2. Check for incorrect or loose connections
- 3
3. Inspect for faulty soldering
This Error Applies To
Samsung WA51A5505A Series Washers (2024) (2024–present)
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