Error Code AC3
The main computer and motor driver boards are not communicating.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC3
What This Means
DR communication error between main and inverter PBAs; Incorrect wire connections between main and inverter PBAs
What actually causes this:
A connector between the main control board and the motor inverter board has come loose.
First Thing to Check
Unplug the washer for 60 seconds and try again.
Parts Involved
How to Fix
- 1
1. Check wire connections and terminal contacts between main and inverter PBAs
- 2
2. Check for disconnected wires
- 3
3. If main or inverter 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 control panel and the main computer board 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.