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 the main or Inverter PBA communication circuit is faulty, replace it
This Error Applies To
Samsung DV25B6800H Series Dryers (2024) (2024–present)
Related Error Codes
A secondary temperature sensor is giving bad readings
A fourth temperature sensor is reading abnormally
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Your dryer's temperature sensor isn't reading correctly
A third temperature sensor is giving incorrect readings
A fifth temperature sensor is reading incorrectly
The drum motor temperature sensor detected a problem
A button on the control panel is stuck or shorted