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 the WiFi module and main PBA are not sensed because of communication error; Incorrect or loose connector connections between WiFi module and main PBA; Faulty soldering on WiFi module
What actually causes this:
The WiFi module's connector has come loose, or the module itself has failed.
First Thing to Check
Unplug the washer for 60 seconds and plug it back in. The washer will still work without WiFi.
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 the WiFi module if faulty
This Error Applies To
Samsung WV60M9900A Series Washers (2024) (2024–present)
Related Error Codes
The incoming water is too hot for the selected gentle cycle.
The washer cannot pump out the water after a wash or rinse cycle.
The washer is not getting enough electrical power to run properly.
The washer is not getting enough water or no water at all.
The washer cannot detect the water level inside the tub.
The washer is getting too much electrical power, which can damage it.
The washer's door lock mechanism is not engaging or disengaging correctly.
The washer's motor cannot spin or is not responding correctly.