Error Code AC6
The motor controller board lost communication with the main board
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC6
What This Means
Signals between Inverter PBA and main PBA not sensed; Incorrect or loose connections between Inverter PBA and main PBA; Inverter PBA faulty soldering
What actually causes this:
A connector between the inverter board and main board came loose or a board failed
First Thing to Check
Unplug the washer for 5 minutes and plug it back in to reset
Parts Involved
How to Fix
- 1
1. Check the connector connections between the Inverter PBA and main PBA carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the Inverter PBA and check for any faulty soldering
- 4
4. Check if the status LEDs around the Micom are normal
- 5
5. Replace the communication circuit between the Micom and Micom if there are defects
Other Error Codes for WD53DBA900HZA1
A dryer button is being registered as stuck or continuously pressed
The heat pump compressor motor has failed or lost its connection
A temperature sensor on the refrigerant line is reading incorrectly
A temperature sensor on the evaporator inlet is reading incorrectly
A temperature sensor on the evaporator outlet is reading incorrectly
A temperature sensor on top of the compressor is reading incorrectly
The dryer heater temperature sensor is reading incorrectly
The door lock has been forced too many times and is malfunctioning