Error Code AC
The washer's control panels cannot talk to each other
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC
What This Means
Connector connections between the sub and main PBAs are incorrect or loose; Faulty soldering on the sub PBA control panel; Sub PBA is short-circuited due to moisture; Incorrect wire connections between sub and main PBAs; Main PBA communication circuit is faulty; Disconnected wires between sub and main PBAs
What actually causes this:
A wire connector between the control boards came loose, or moisture got into the electronics
First Thing to Check
Unplug the washer for 5 minutes and plug it back in — this can reset the communication
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. Remove the sub PBA control panel and check for any faulty soldering
- 5
5. If the main PBA communication circuit is faulty, replace it
Other Error Codes for WA45H7000AP
The washer cannot detect the correct water level inside the tub
The washer's motor cannot spin properly
The washer's WiFi module has lost connection to the main board
The washer's display module has lost connection to the main board
The washer's main computer has malfunctioned
The washer cannot detect the water level inside the tub
The washer motor is not spinning or not spinning correctly
The washer is not getting water to fill the tub