Hi Guys, this is my first post in CNC Zone. I am having problem with this 1989 model of Mori seiki SL-15,
Error : 911 Ram parity error ( HIGH).

So i just Del the parameters and start entering the parameters again, but i coldn't get the diagnostic parameters entered. although i tried several times but useless i even check the edit and mdi modes.

Master board
A16B-1212-021

MEM: A028-0098-B511

I don't know if i missed something. please help me out.