Error Code AC
The control boards inside the washer are not talking to each other.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
Communication failure; Incorrect/loose connections; Faulty soldering on sub PBA
What actually causes this:
A loose wire connection between the control boards, sometimes caused by vibration over time.
First Thing to Check
Unplug the washer, wait one minute, plug it back in, and try again.
Parts Involved
How to Fix
- 1
1. Check connector connections between sub and main PBAs
- 2
2. Check for incorrect or loose connections
- 3
3. Remove sub PBA C/Panel and check for faulty soldering
- 4
4. If main PBA communication circuit faulty, replace it
Other Error Codes for WA49B5105AV
The drain module has lost communication with the main control board.
The dryer heating element has a wiring or component failure.
The washer's main computer chip has stopped working.
The display module has lost communication with the main control board.
The motor speed controller has lost communication with the main control board.
A button on the control panel appears to be stuck or pressed continuously.
The washer's heating element has a problem or is overheating.
The WiFi module has lost communication with the main control board.