Error Code AC2
The washer's I/O module lost communication with the main board.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC2
What This Means
Signals between the DR Module and main PBAs are not sensed due to communication failure; Incorrect or loose connector connections between DR Module and main PBAs; Faulty soldering on DR Module
What actually causes this:
A connector between the I/O board and main control board has come loose.
First Thing to Check
Unplug the washer for 2 minutes and plug it back in to reset.
Parts Involved
How to Fix
- 1
1. Check the connector connections between the DR Module and main PBAs carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the DR Module and check for any faulty soldering
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung WA50K8600A Series Washers (2016) (2016–present)
Related Error Codes
The washer cannot detect how much water is in the tub.
The washer's motor cannot spin or is getting bad signals.
The washer is getting too much electrical power.
The washer is not filling with water properly.
The incoming water is too hot for the selected wash cycle.
The washer cannot pump the water out.
The washer is not getting enough electrical power.
The washer's control boards cannot talk to each other.