Error Code AC4
The washer's WiFi module lost communication with 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 are not sensed due to communication failure; Incorrect or loose connector connections between WIFI Module and main PBAs; Faulty soldering on WIFI Module
What actually causes this:
The WiFi module connector has come loose or the module itself has failed.
First Thing to Check
Unplug the washer for 2 minutes and plug it back in to reset.
Parts Involved
How to Fix
- 1
1. Check the connector connections between the WIFI Module and main PBAs carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the WIFI Module and check for any faulty soldering
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
Other Error Codes for WA52J8060AW
The washer's temperature sensor is giving wrong readings.
A specific internal water leak has been found.
There are too many soap suds in the washer.
The washer's vibration sensor board has a problem.
The washer's clutch position sensor is sending incorrect signals.
The washer's main computer chip has crashed.
The washer cannot detect how much water is in the tub.
The washer's motor cannot spin or is getting bad signals.