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 (main control board); Faulty display PCB (SUB PBA); 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 (try display PCB first)
- 4
4. If error persists after display PCB replacement, replace Main PCB
Other Error Codes for DVE45A6400W
Your dryer is getting the wrong voltage from the outlet
A secondary temperature sensor is giving bad readings
Your dryer is getting the wrong type of electrical power
Your dryer's temperature sensor isn't reading correctly
A button on the control panel is stuck or shorted
Your dryer isn't heating properly or is overheating
The door switch isn't working properly
Your dryer detected restricted airflow during a vent test