Error Code AC4
Your washer's WiFi module has lost its connection to the main board.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC4
What This Means
Signals between the WiFi Module and main PBAs not sensed due to communication error; Incorrect or loose connector connections between WiFi Module and main PBA; Faulty soldering on the WiFi Module
What actually causes this:
The internal WiFi board connector came loose or the WiFi module developed a fault.
First Thing to Check
Unplug the washer for 2 minutes, plug it back in, and try reconnecting to WiFi.
Parts Involved
How to Fix
- 1
1. Check the connector connections between the WiFi Module and main PBA
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the WiFi Module and check for faulty soldering
- 4
4. Replace the WiFi Module or main PBA if faulty
Other Error Codes for WF45N5300AW
An internal communication module in your washer has lost its connection.
Your washer's vibration sensor has a general fault.
Your washer's main computer board has crashed and cannot recover.
Your washer's door lock mechanism has a hardware fault.
Your washer's motor controller has lost communication with the main board.
Your washer is not getting enough water to start or continue the cycle.
Your washer is not getting enough electrical power to run properly.
Your washer cannot detect the water level inside the drum.