ACX57xx runs for several hours then card readers stop reading and controller appears to be locked up.
- Access control
The ACX2's M430 chip (reads the card swipes) is out of sync with the main processor so it can’t send the card swipes.
To clear this issue do the following.
- Clear its DB backup
- Power down the ACX2
- Remove the battery
- Wait 5 minutes
- Power up