Error Code AC6
The motor controller has lost communication 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 due to communication error; Incorrect or loose connector connections between the Inverter PBA and main PBA; Faulty soldering on the Inverter PBA
What actually causes this:
The inverter board connector came loose or the inverter board itself has failed.
First Thing to Check
Unplug the washer for one minute and plug it back in to see if the error clears.
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
This Error Applies To
Samsung WF50K7500A Series Washers (2016) (2016–present)
Related Error Codes
The washer's door lock mechanism is not working properly.
The washer's display screen has lost communication with the main board.
The washer cannot pump out the water after a cycle.
The control panel and the main computer board are not communicating.
The washer's motor cannot spin or is struggling to turn.
The washer cannot detect how much water is in the tub.
The washer is receiving too much electrical power.
The washer's WiFi module has lost communication with the main board.