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AC5 — Communication Error
critical
A communication fault has occurred between internal washer components.
Common causes
- Wiring or connection fault between control boards
How to fix it
- Power off washer for 2–3 minutes
- Power back on and restart cycle
- Contact Samsung support if code persists
Parts you might need
- Main control board
- Wire harness
Compiled from Samsung's public support resources — original page. Recalled.co is not affiliated with Samsung. Report incorrect information at hello@recalled.co.