Error Code AC6
The washer's control boards cannot talk to each other.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC6
What This Means
Wire connection issues between sub and main PBAs; Disconnected wires between control boards; Sub PBA short-circuited due to moisture; Main PBA communication circuit faulty
What actually causes this:
A wire connector between the two circuit boards has vibrated loose, or moisture got onto a circuit board and caused a short.
First Thing to Check
Unplug the washer, wait one minute, then plug it back in and try again.
Parts Involved
How to Fix
- 1
1. Check the wire connections and terminal contacts between the sub and main PBAs.
- 2
2. Check for disconnected wires.
- 3
3. Check whether the sub PBA is short-circuited because of moisture.
- 4
4. If the main PBA communication circuit is faulty, replace it.
This Error Applies To
Samsung WA51DG5505 Series Washers (2024) (2024–present)
Related Error Codes
The water level sensor is not reading correctly.
The washer motor is not running properly.
The washer is not getting water.
The water hoses are connected to the wrong faucets.
The washer cannot pump the water out.
The washer's vibration sensor is not working.
The washer is getting too much voltage from the outlet.
The washer is not getting enough voltage from the outlet.