Samsung Dryer — Error Code AC
Internal control modules cannot communicate with each other.
ApplianceDB ranks 1 repair for this code, led by “Power-cycle the dryer”. That top fix is an easy DIY job, involving the control board. Severity is classified as degraded — the appliance keeps running but not correctly.
Ranked repair steps
1. Power-cycle the dryer
Shut the dryer off for sixty seconds and turn it back on; contact support if the communication error remains.
easy · basis: manufacturer first
Provenance: facts re-derived from an official manufacturer listing — Samsung US Support — Dryer Error Codes. Meanings and steps are original paraphrase; nothing is reproduced verbatim.