Error Code AC4
The 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 WiFi Module and main PBA not sensed; Incorrect or loose connector connections between WiFi Module and main PBA; Faulty soldering on WiFi Module
What actually causes this:
A loose connector on the WiFi module, or the module itself has failed.
First Thing to Check
Unplug the washer for 60 seconds, then plug it back in and try again.
Parts Involved
How to Fix
- 1
1. Check the connector connections between the WiFi Module and main PBA carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the WiFi Module and check for any faulty soldering
- 4
4. Replace WiFi Module or Main PBA if defective
Other Error Codes for WA50A5400AW
Your washer cannot detect how much water is in the tub.
A vibration sensor wire has come loose inside the washer.
Your washer's door lock mechanism is not working correctly.
Your washer is filling with too much water and cannot detect when to stop.
Your washer has detected a water leak.
An internal power module in the washer is overheating.
Your washer's vibration sensor is not communicating properly.
The vibration sensor may be giving inaccurate readings.