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 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. First check the PCB and wire harness connections
- 2
2. Inspect wire harness between Main PBA and SUB PBA 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
Other Error Codes for DVG45T3400V
The dryer thinks the door is open while running
Your dryer isn't heating properly or is overheating
Your dryer's temperature sensor isn't reading correctly
The dryer motor isn't spinning properly
Your dryer vent is about 80% blocked
A button on the control panel is stuck or shorted
Your dryer vent is clogged and needs cleaning
Your dryer vent is over 90% blocked — needs immediate cleaning