Issue
ACX5740 controllers are found to have lost configuration and programming after power loss.
Environment
- ACX5740
- ACX5720
- NCII
- BCX
- B4920
Cause
Controller cannot restore data from flash memory due to the presence of corrupt or a flash backup that was saved before the controller was redeployed at another location or that has been upgraded to a different firmware version.
Resolution
- From the controller configuration page select Clear Database Backup and commit changes to controller.
- Reload the controller.
- Backup controller to flash to ensure that current information is backed up.