Error Code AC6
The motor controller board has lost connection to the main board
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC6
What This Means
Signals between Inverter PBA and main PBA not sensed; Incorrect or loose connector connections between Inverter PBA and main PBA; Faulty soldering on Inverter PBA
What actually causes this:
The connector between the motor controller and main board came loose
First Thing to Check
Unplug the washer for 5 minutes, then plug it back in — if it still won't run, it needs service
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 WA52J8700A Series Washers (2017) (2017–present)
Related Error Codes
An internal circuit board can't communicate with the main controller
A drying temperature sensor has a problem
There are too many soap suds in the washer
A sensor board inside the washer isn't reading data correctly
A sensor board inside the washer has failed
The washer's main computer chip has malfunctioned
The washer can't detect the position of its internal clutch mechanism
The washer's main computer chip has malfunctioned