Error Code AC6
The drum motor controller isn't communicating properly
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC6
What This Means
Incorrect wire connections between main and inverter PBAs; Disconnected wires between main and inverter PBAs; Main PBA communication circuit fault; Inverter PBA communication circuit fault
What actually causes this:
An internal communication failure between the main control board and the drum motor controller.
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 connections and terminal contacts between main and inverter PBAs
- 2
2. Check for disconnected wires
- 3
3. If main or inverter PBA communication circuit is faulty, replace the faulty PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DV22N68 Series Dryers (2018) (2018–present)
Related Error Codes
The compressor temperature sensor detected a problem
The dryer thinks the door is open while running
A secondary temperature sensor is giving bad readings
A fourth temperature sensor is reading abnormally
A third temperature sensor is giving incorrect readings
The drum motor temperature sensor detected a problem
The heat pump compressor has stopped working
Your dryer's temperature sensor isn't reading correctly