Error Code AC6
The motor controller board is not responding to the main computer
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC6 (changes to pause)
What This Means
Main PBA defective; Inverter PBA defective; Communication connection between Main PBA and Inverter PBA not properly connected
What actually causes this:
The inverter board that controls the wash pump motor has lost communication with the main 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 connections between Main PBA and Inverter PBA
- 2
2. If connections are secure, replace Inverter PBA
- 3
3. If error persists, replace Main PBA
This Error Applies To
Samsung DDW24M999U Series Dishwashers (2017) (2017–present)
Related Error Codes
The heating element is not warming the water properly
The dishwasher cannot pump the dirty water out
The water inside the dishwasher got dangerously hot
Water is leaking inside the base of the dishwasher
The touch panel and the control board are not communicating properly
The dishwasher's main computer board and display board cannot talk to each other
The water distribution vane that directs spray is not moving to the correct position
The dishwasher door is not fully closed