How to reset my Kemp LoadMaster to factory defaults
The LoadMaster can be reset to factory default values in the Web User Interface (WUI) by going to System Configuration > System Administration > System Reboot and clicking the Reset Machine button. 
Alternately, it can be done via the console or SSH by navigating to:
menu option 7. Utilities
menu option 1. Software Upgrade
menu option 3. Reset to Factory Defaults
you will get a warning that this will reset the LoadMaster
please note that passwords and licensing are not removed