Error Code AC
The control panel and the main computer board are not communicating.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC
What This Means
Signals between sub and main PBAs are not sensed; Incorrect wire connections between sub and main PBAs; Sub PBA short-circuited due to moisture; Main PBA communication circuit fault
What actually causes this:
A wire connector between the front control panel and the main board at the back has come loose, or moisture has gotten into the control panel board.
First Thing to Check
Try turning the washer off, unplugging it for 60 seconds, then plugging it back in and restarting.
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 whether sub PBA is short-circuited because of moisture
- 4
4. If main PBA communication circuit is faulty, replace it
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
Other Error Codes for WW22N6850QX
The main board and motor inverter have lost communication.
The washer cannot detect the water level correctly.
The washing machine motor is not spinning properly.
The motor is drawing too much power or not reaching the right speed.
The washer cannot pump the water out.
The main computer and motor driver boards are not communicating.
The washer's WiFi module is not communicating with the main board.
The display screen is not communicating with the main board.