Error Code AC
The dryer's internal parts aren't communicating properly
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC
What This Means
Faulty Main PCB; Faulty Display/Sub PCB; Damaged or loose wire harness between Main PCB and Display PCB
What actually causes this:
A loose wire connection between the control board and display, or a power surge scrambled the electronics.
First Thing to Check
Unplug the dryer for 2 minutes, then plug it back in — this resets the electronics.
Parts Involved
How to Fix
- 1
1. Check wire harness connection between Main PCB and Display PCB for loose or damaged connectors
- 2
2. Inspect wire harness for pinched, cut, or corroded wires
- 3
3. If wiring is intact, replace the PCB
- 4
4. If the problem persists after PCB replacement, replace the other PCB
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DVE45T3200 Series Dryers (2020) (2020–present)
Related Error Codes
A secondary temperature sensor is giving bad readings
A button on the control panel is stuck or shorted
The door switch isn't working properly
Your dryer detected restricted airflow during a vent test
The vent blockage test found a problem with your exhaust
Your dryer is getting the wrong type of electrical power
Your dryer isn't heating properly or is overheating
Your dryer vent is about 80% blocked