Error Code AC
The washer's control boards aren't talking to each other
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
Signals between sub and main PBAs not sensed due to communication error; Incorrect or loose connector connections between sub and main PBAs; Sub PBA has faulty soldering; Sub PBA is short-circuited due to moisture
What actually causes this:
A wire connection came loose between the two circuit boards inside the washer
First Thing to Check
Unplug the washer for 60 seconds and plug it back in to reset the electronics
Parts Involved
How to Fix
- 1
1. Check the connector connections between the sub and main PBAs carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the sub PBA C/Panel and check for any faulty soldering
- 4
4. Check whether the sub PBA is short-circuited because of moisture
- 5
5. If the main PBA's communication circuit is faulty, replace it
This Error Applies To
Samsung WF45K6 Series Washers (2018) (2018–present)
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