Error Code AC
The washer's main control board and display board are not communicating
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
Signals between sub and main PBA terminals are not sensed; Incorrect wire connections between the sub and main PBAs; Sub PBA short-circuited due to moisture; Main PBA communication circuit fault
What actually causes this:
A wire between the control boards came loose, or moisture got onto a circuit board
First Thing to Check
Turn the washer off, unplug it for 60 seconds, plug it back in, and restart
Parts Involved
How to Fix
- 1
1. Check the wire connections and contacts between the sub and main PBA terminals
- 2
2. Check for disconnected wires in the harness between the two boards
- 3
3. Inspect whether the sub PBA is short-circuited because of moisture
- 4
4. If the main PBA communication circuit is faulty, replace the main PBA
Other Error Codes for WF53BB8700ATUS
The washer does not detect that the door is closed
The water heater or its temperature sensor is not working right
The washer thinks there is too much water inside
The washer cannot properly detect how much water is inside
The washer has detected a water leak
The water temperature sensor is not reading correctly
The washer detected an electrical problem with its power or motor circuit
The main control board and motor driver board stopped talking to each other