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; Faulty I/O Board; Loose or disconnected connectors
What actually causes this:
A loose connector on the I/O board inside the washer.
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 all wire connections to the I/O Board
- 2
2. Check for faulty soldering on the I/O Board
- 3
3. Replace I/O Board or Main PBA if defective
Other Error Codes for WA50A5400AW
Your washer cannot detect how much water is in the tub.
A vibration sensor wire has come loose inside the washer.
The washer's WiFi module has lost its connection to the main board.
Your washer's door lock mechanism is not working correctly.
Your washer is filling with too much water and cannot detect when to stop.
Your washer has detected a water leak.
An internal power module in the washer is overheating.
Your washer's vibration sensor is not communicating properly.