Error Code AC4
The washer's WiFi chip cannot communicate 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 not sensed due to communication check; 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 60 seconds, then plug it back in and try again.
Parts Involved
How to Fix
- 1
1. Check 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
Other Error Codes for WA54A7305AE
The washer's position sensor thinks the machine is not level.
The washer's vibration sensor may be faulty.
The washer's vibration sensor may be faulty.
The washer cannot detect the position of its internal clutch mechanism.
The motor's power module has overheated.
The washer's clutch moved but did not reach the correct position.
The washer's main computer chip has malfunctioned.
The washer's main computer chip has malfunctioned.