Error Code AC4
The WiFi module has lost communication with the main control board.
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC4
What This Means
WIFI Module communication failure; Incorrect/loose connections; Faulty soldering
What actually causes this:
A loose plug at the WiFi module, or the module itself has failed.
First Thing to Check
Unplug the washer, wait one minute, plug it back in, and try again.
Parts Involved
How to Fix
- 1
1. Check connector connections between WIFI Module and main PBA
- 2
2. Check for incorrect or loose connections
- 3
3. Remove WIFI Module and check for faulty soldering
This Error Applies To
Samsung WA50B5100A Series Washers (2024) (2024–present)
Related Error Codes
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The washer's main computer chip has stopped working.
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A button on the control panel appears to be stuck or pressed continuously.
The washer's heating element has a problem or is overheating.