Samsung · Washing machine · Source basis
Samsung washing machine AC
control-board communication
DISPLAYAC
The main and secondary control boards are not communicating correctly.
Samsung lists AC or AE as a communication check between control boards.
Switch the appliance off in a controlled way, safely disconnect power, wait at least 30 seconds and restart once. Contact manufacturer service if the code remains.
Error codes can differ by model and series. Also check the exact model number and the matching Samsung manual.
SOURCE CHECK
Meaning and actions are based on manufacturer guidance.
- Samsung SupportChecked 30.07.2026Open original