Kwikset Professional Door Lock installation Kit "hotel" Questions

...emergency key. Having an extra battery on hand is a good Idea also. I just installed that lock on a hotel and it's still running strong after about a month and a half. Good Luck, RSMITH972278 P.S. ...

I repaired a ving card lock at hotel for friend and when i put it back on door the card reader doesnt light up or open door, what do i need to do to get it to work again? maybe there is a reset? or ...