Error Code AC
The control boards inside the washer can't communicate
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
Wire connections between sub and main PBAs disconnected; Sub PBA short-circuited from moisture; Main PBA communication circuit faulty
What actually causes this:
A wire came loose between the two control boards, or moisture got inside
First Thing to Check
Unplug the washer for 60 seconds and plug it back in
Parts Involved
How to Fix
- 1
1. Check wire connections and terminal contacts between sub and main PBAs
- 2
2. Check for disconnected wires
- 3
3. Check if sub PBA is short-circuited from moisture
- 4
4. If main PBA's communication circuit is faulty, replace it
This Error Applies To
Samsung WA44A3405AW Series Washers (2024) (2024–present)
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