Hurco km3p boot problem

[gphaloura]

I have old hurco knee mill km3p it was working good few days ago then give a message of motion error in z axes, I had checked the connections of z axes wire, then reseated all the boards then it starts giving message on booting "executing power up diagnosing please wait" after few seconds message goes and there starts curser blinking on left corner and nothing happens can any one tell me the solution
Gurinder Pal.Singh
Mob. +91 95306 42934
Email : [email protected]