Error Code AC6
The dishwasher's motor controller isn't responding to the main control board
Moderate
Address soon - your appliance may not work properly
Also displayed as: No display initially, then changes to pause
What This Means
The Main PBA or Inverter PBA is out of order; The communications connection for the Main PBA or Inverter PBA is not properly connected
What actually causes this:
A wire connection between the main control board and the motor speed controller came loose or a board failed
First Thing to Check
Turn off the dishwasher at the circuit breaker, wait 60 seconds, then turn it back on
Parts Involved
How to Fix
- 1
1. Check the connector between Main PBA and Inverter PBA
- 2
2. Reconnect all communication connectors
- 3
3. Check the Inverter PBA for visible damage
- 4
4. If error persists, replace Inverter PBA, then Main PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DW80K7050U Series Dishwashers (2016) (2016–present)
Related Error Codes
Too much water detected inside the dishwasher
The dishwasher isn't getting enough water
The dishwasher is having trouble draining water out
The dishwasher has repeatedly failed to drain the water
The water distribution motor can't find its correct position
The water temperature sensor isn't reading correctly
The heating element isn't warming the water properly
The water inside the dishwasher has gotten dangerously hot