Hi Hotdog,
We have done an article on trying to repair the fret buttons but due to their nature they cannot easily be repaired or repalced, this is often a new guitar situation!
Have a look at the article on repairing them here
http://www.guitarherorepair.com/fret-buttons-not-working-solutions-hereIf anyone is aware of anything we have not covered that might help people in this situation please get in touch and correct us!