Samsung Dryer AC Error Code
Internal communication error. What it means, which models show it, and how to clear it, easiest fix first.
SamsungAll Samsung dryer codes
The dryer's internal boards, typically the main control and the display panel, are not communicating with each other. A brief glitch can cause it, but if it persists a loose connection or a failed board is likely.
Compatible models
Samsung doesn't publish a model list for this code; it appears on Samsung dryers with a digital display. Check your owner's manual.
Also shown as
Samsung groups AC, Et, AE, EEE, AE3, AE4, AE5, E3 and 1 AC as communication errors. Parts guides describe Et as a control board fault.
Difficulty
Try the basic checks, but the usual fix is a technician's job.
How to fix Samsung AC
Power cycle
Turn the dryer off, or unplug it, for at least 60 seconds (some sources suggest up to 5 minutes), then restore power and try a cycle.
Note when it happens
If the code comes back, write down the exact code and when it appears, such as at power-on or mid-cycle. This helps the technician find the fault faster.
When to call a technician
If the code remains after a reset, book a repair. Do not open the control panel or board yourself.
Parts linked to AC
These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.
- main control board
- user interface board
- wire harness
Order parts by your full model number so they fit.
Frequently asked questions
What does AC mean on a Samsung dryer?
The dryer's internal boards, typically the main control and the display panel, are not communicating with each other. A brief glitch can cause it, but if it persists a loose connection or a failed board is likely.
Which Samsung models show the AC code?
Samsung doesn't publish a model list for this code; it appears on Samsung dryers with a digital display. Check your owner's manual.
Can I fix Samsung AC myself?
Only the basic checks. You can safely try the steps above, but AC usually points to a part or fault that needs a technician.
What if AC keeps coming back?
A code that returns after a reset and the checks above usually means a part is wearing out. Note when AC appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.
Other Samsung dryer codes
- hEHeating error
- HC2Gas ignition error (gas dryers)
- tSTemperature sensor fault
- dEDoor not detected as closed
- ClgVent clogged (vent test result)
- C1Vent test could not run
- 9C1Abnormal supply voltage
- bEStuck button on the control panel
- FCPower frequency out of range
- oDDry time too long
- 3CMotor error
- dnSoftware download in progress
- CLChild Lock is on
Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.