I am using a Sysmac c20 for elevator controls and it appears that the memory battery has gone dead and the unit will not output. I fear that I may have lost the program? Any thoughts or comments would be appicaited.

 

I need help. i got a sysmac c20 and it have a damage, so i must repair. but i don't have any information about it. i need someone that have a sysmac c20 and wish help me...i need to repair the board
I can send you a picture of the damage zone...
Thanks