Written by
Adrian Soto Appliance Repair Content SpecialistPublished September 5, 2026Updated October 20, 2026
Error codeAC7 / 1 AC7
ApplianceDryer
Quick answer
AC7 and 1 AC7 are electronic control errors; a 2-3 minute power-off and restart is Samsung's first step.
Model compatibility: Samsung reuses codes across series and model years, so AC7 / 1 AC7 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
AC7 (also 1 AC7) is an electronic control error.
On Samsung’s US list, 1 AC7 is the sample “Electronic Control Error”, and AC7 is that same entry. It falls among the codes outside the main groups, which usually concern the dryer’s sensors and components.
Samsung’s routine
Switch the dryer off for 2-3 minutes.
Switch it on again and start the cycle over.
Failing that, the user manual lists the exact troubleshooting steps.
Samsung’s advice for a returning error is to request service.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
