Error Code AC6
The main control board and motor driver board stopped talking to each other
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC6
What This Means
Communication failure between main and inverter PBAs; Loose or damaged wiring between main and inverter boards; Inverter PBA fault; Main PBA fault
What actually causes this:
A loose wire connection at the back of the washer between the motor controller and main board
First Thing to Check
Turn the washer off, unplug it for 60 seconds, plug it back in, and restart — the error sometimes clears on its own
Parts Involved
How to Fix
- 1
1. Check the wire connections between the main PBA and inverter PBA
- 2
2. Verify the machine may automatically return to normal — wait and observe
- 3
3. Turn the machine off and restart the cycle
- 4
4. If the error remains, inspect the inverter PBA and main PBA for damage
- 5
5. Replace the faulty PBA if needed
Other Error Codes for WF53BB8700ATUS
The washer does not detect that the door is closed
The water heater or its temperature sensor is not working right
The washer thinks there is too much water inside
The washer cannot properly detect how much water is inside
The washer has detected a water leak
The water temperature sensor is not reading correctly
The washer detected an electrical problem with its power or motor circuit
The washer's main control board and display board are not communicating