Error Code AC6
The motor controller board inside the dishwasher stopped responding
Moderate
Address soon - your appliance may not work properly
Also displayed as: No display, changes to pause
What This Means
Main PBA or Inverter PBA is out of order; Communication connection between Main PBA and Inverter PBA is not properly connected; Wire harness between Main PBA and Inverter PBA is damaged
What actually causes this:
The motor controller board lost connection or failed, preventing the wash pump from running
First Thing to Check
Turn off the dishwasher at the circuit breaker, wait 2 minutes, then turn it back on
Parts Involved
How to Fix
- 1
1. Check connections between Main PBA and Inverter PBA — reconnect all connectors
- 2
2. Check wire harness for damage between the two boards
- 3
3. If connections are secure, replace Inverter PBA
- 4
4. If error persists, replace Main PBA
Other Error Codes for DW80M9960UG
The dishwasher's main computer and the display board can't talk to each other
Water is leaking inside the base of the dishwasher
Too much water detected inside the dishwasher
The water distribution motor that directs spray isn't working properly
The main wash pump that sprays water isn't working properly
The dishwasher door isn't fully closed
The automatic door-opening feature isn't working
The dishwasher isn't getting enough water to run