Need help or advice Eltro Pilot M

Hi guys, I have problem with Eltropilot M NC, screen is blank and I can only get some numbers on it when I switch "Diagnose" button inside of cabinet.
There is also Ergidata ED-C/Z module on in.
Machine is Gildemeister MD3s from 1983.There is no electrical drawings,if anyone can share I would be grateful.

hi dear , i have same problem with my machine.beside that i don't have the cataloge. how can i find it . i also need the electrical drawings as well. i will be so happy if you help me.