Error Code AC4
The washer's WiFi module has 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 PBA are not sensed due to communication error; Incorrect or loose connector connections between the WiFi Module and main PBA; Faulty soldering on the WiFi Module
What actually causes this:
The WiFi module's internal connector came loose, or the module itself failed.
First Thing to Check
Unplug the washer for one minute and plug it back in to see if the error clears.
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
This Error Applies To
Samsung WF50K7500A Series Washers (2016) (2016–present)
Related Error Codes
The washer's display screen has lost communication with the main board.
The washer cannot pump out the water after a cycle.
The control panel and the main computer board are not communicating.
The washer's motor cannot spin or is struggling to turn.
The washer cannot detect how much water is in the tub.
The washer is receiving too much electrical power.
A button on the washer's control panel is stuck or jammed.
The washer is not filling with water properly.