Error Code AC6
The motor speed controller board isn't responding
Moderate
Address soon - your appliance may not work properly
Also displayed as: No display (changes to pause)
What This Means
Main PBA defective; Inverter PBA defective; Communication connection for Main PBA or Inverter PBA not properly connected; Wire harness between Main PBA and Inverter PBA damaged
What actually causes this:
The inverter board that controls the wash pump motor has lost communication, often from a loose connector or a failed board
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 connector between Main PBA and Inverter PBA — reconnect
- 2
2. Check wire harness for damage
- 3
3. If error persists, replace Inverter PBA
- 4
4. If error still persists, replace Main PBA
This Error Applies To
Samsung DW80R5061U Series Dishwashers (2020) (2020–present)
Related Error Codes
The dishwasher can't drain the water out
Too much water detected inside the dishwasher
A control panel button appears to be stuck
The touchpad and its controller board can't communicate properly
The drying fan isn't spinning fast enough
The dishwasher isn't getting enough water
The water distribution motor can't find its position
The water temperature sensor isn't reading correctly