Error Code AC6
The washer's motor speed controller cannot communicate with the main board.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC6
What This Means
Signals between the inverter PBA and main PBA are not sensed because of communication error; Incorrect or loose connector connections between inverter PBA and main PBA; Faulty soldering on inverter PBA
What actually causes this:
A loose connector between the inverter board and the main board, or a failed inverter board.
First Thing to Check
Unplug the washer for 60 seconds and plug it back in to attempt a reset.
Parts Involved
How to Fix
- 1
1. Check the connector connections between the inverter PBA and main PBA carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the inverter PBA and check for any faulty soldering
- 4
4. Replace the inverter PBA if faulty
This Error Applies To
Samsung WV60M9900A Series Washers (2024) (2024–present)
Related Error Codes
The washer's heater got dangerously hot and the machine shut itself off for safety.
The laundry load is not evenly distributed, causing the washer to vibrate too much during spin.
The incoming water is too hot for the selected gentle cycle.
The washer cannot pump out the water after a wash or rinse cycle.
The washer is not getting enough electrical power to run properly.
The washer is not getting enough water or no water at all.
The washer's WiFi module has lost its connection to the main board.
The washer cannot detect the water level inside the tub.