Error Code AC5
The washer's display screen cannot communicate with the main board
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC5
What This Means
Connector connections between the LCD Module and main PBA are incorrect or loose; Faulty soldering on the LCD Module; Wire disconnection between LCD Module and Main PBA
What actually causes this:
The display ribbon cable came loose or the display module has a bad connection
First Thing to Check
Unplug the washer for 5 minutes and plug it back in — if the display is blank or garbled, 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
- 4
4. If connections and module test normal, replace the Main PBA
This Error Applies To
Samsung WA45H7000A Series Washers (2024) (2024–present)
Related Error Codes
The washer cannot detect the correct water level inside the tub
The washer's motor cannot spin properly
The washer's vibration sensor has a data reading error
The washer's WiFi module has lost connection to the main board
The washer's display module has lost connection to the main board
The washer's main computer has malfunctioned
The washer's main computer has malfunctioned
The washer's main computer has malfunctioned