Error Code AC5
The display screen can't communicate with the main board
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC5
What This Means
Signals between the LCD Module and main PBA are not sensed; Incorrect or loose connections between the LCD Module and main PBA; Faulty soldering on the LCD Module
What actually causes this:
The display ribbon cable came loose, often from vibration during spin cycles
First Thing to Check
Unplug the washer for 60 seconds and plug it back in — if the display stays blank, it needs service
Parts Involved
How to Fix
- 1
1. Check the connector connections between the LCD Module and main PBA carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the LCD Module and check for any faulty soldering
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung WF45R6100A Series Washers (2024) (2024–present)
Related Error Codes
The washer's motor can't spin the drum properly
The incoming water is too hot for delicate wash cycles
An internal circuit module can't communicate with the main board
The WiFi module can't communicate with the main board
The door lock mechanism won't engage
The washer detects the door opening while running
The washer's water heater isn't working properly
The washer has too much water in the tub and is overflowing