Samsung Dryer Error Code AC: Meaning & How to Fix It

By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026

Samsung dryer error code AC means: The dryer's internal components cannot communicate with each other. [1] Keep using it? Not until the cause is fixed. Start with the owner checks below, beginning with: power cycle.

Quick facts

Code	AC
Also shown as	Et, AE, EEE, AE3, AE4, AE5, E3, 1 AC
Brand / appliance	Samsung dryer
System	Control / electronics
Official meaning	The dryer's internal components cannot communicate with each other. [1]
Keep using it?	Not until the cause is fixed
DIY-safe?	Owner checks only (listed below)
Support	Samsung Support Center (samsung.com/us/support)

On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ

What error code AC means on a Samsung dryer

The dryer's internal components cannot communicate with each other. [1]

This is a control / electronics code. Codes and wording can vary by model, so check your owner's manual for your model number.

How to fix Samsung dryer error code AC (safe owner checks)

Safety first: disconnect power before you remove any panel or reach into the sump or drum. Do not touch wiring, the control board or the motor. If you see water near electrical parts, stop and call a technician. These steps are based on Samsung's published guidance [1], rewritten for clarity.

Power cycle. Turn the dryer off for 60 seconds, then back on.

Parts that may be involved

Exact parts depend on your model number. This page lists part types only, never part numbers.

No specific part is implied by the manufacturer's guidance for this code.

When to call a technician

The code remains
Anything involving wiring, the control board, the motor or the water valve electrics
The appliance is under warranty: contact Samsung Support Center (samsung.com/us/support) first

Frequently asked questions

What does error code AC mean on a Samsung dryer?

Samsung lists AC as follows: The dryer's internal components cannot communicate with each other.

Is it safe to keep using the dryer with AC?

Not until the cause is fixed.

Can I fix Samsung dryer error AC myself?

Only with the owner checks on this page, starting with: power cycle. If it persists, call a technician or Samsung Support Center (samsung.com/us/support).

Is Et the same as AC?

Yes. Samsung's documentation lists Et, AE, EEE, AE3, AE4, AE5, E3, 1 AC with the same meaning as AC; the display format depends on the model.

Sources

https://www.samsung.com/us/support/troubleshoot/TSG10001006/ (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with Samsung.