If your system is powered up but no internet connection available, the Kiosk is not working and you need to evacuate the lockers please follow the below instructions
Locate the Locker Hubs, they are usually under the locker banks hidden behind the toe kick
Locate the First Hub
Flip the switch on the back side of the hub
Repeat for each subsequent hubs
Wait until all the lockers are open
Once all the doors are open flip the switch back to normal operating mode on each hub to preserve the battery