That would depend on if Hisoka would like to meet an untimely death with no surety if he's coming back.

They can most certainly, once the electricity is back, attempt to hack into the controls to find out what it wrong. However, once they do, the readings will appear as though the lift is there and is working perfectly. But you can tell (visually/with your eyes) that is not the case.

We are happy to follow this line OOCly but please keep in mind when it would happen day-wise, because it will not be able to be done until the electricity is up!