Error Code AC
The washer's two circuit boards are not talking to each other
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
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 connection between the control boards came loose, or moisture got into a circuit board
First Thing to Check
Turn off the washer, wait a minute, and restart — the machine may automatically return to normal
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
Other Error Codes for WH53DBH700EFA3
The dryer is getting an unusual electrical power frequency
The main control board and motor control board cannot communicate
The washer cannot read the water temperature correctly
The dryer's control board is not receiving the correct voltage
The dryer's safety temperature monitor is not working correctly
The dryer's door switch is not working correctly
Two of the washer's circuit boards have lost communication
The laundry load is uneven and the washer cannot spin safely