Error Code AC6
The washer's main control board and motor controller cannot talk to each other.
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: AC6
What This Means
Communication failure between main PBA and inverter; Wire connection issue between sub and main PBAs; Defective sub PBA or main PBA
What actually causes this:
Usually a loose wiring connection inside the washer or a circuit board affected by moisture.
First Thing to Check
Unplug the washer for one minute and plug it back in.
Parts Involved
How to Fix
- 1
1. Check wire connections and terminal contacts between 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
Other Error Codes for WA46CG3505AVA4
The vibration sensor that helps keep the washer balanced is not working.
The vibration sensor board is not communicating properly.
The washer is not getting enough voltage from the electrical outlet.
The washer detected a problem with the water heating system.
The washer detected a problem with the water heating system.
The clutch sensor is sending the wrong signal to the control board.
The temperature sensor for the wash water is giving bad readings.
A temperature sensor related to the condensing system is malfunctioning.