1998 Mazak 6T ... I've been having a problem with going into Automatic mode+

Hello, I have been having trouble off and on with my Mazak QT 6T going into Auto (Memory) mode. Plus there are some other buttons not working on control.....Now I replaced Keyboard panel.....didn't help. This thing has a mind of it's own. Can anybody help me? Don't have a fortune to pay a repairman. Thanks,Tim.