Well, do u have train editor? If you do, do this:
OPEN TRAIN EDITOR
CLICK OPEN (DO NOT SAVE CHANGES)
FIND THE TRAIN YOU WANT TO CHANGE
GO TO
PROPERTIES (2)UNDER THE DEVICE COLUMN, CHANGE DoorOpenMode AND DoorCloseMode TO
MANUALHIT SAVE AS
SAVE AS THE TRAIN.DAT FILE OF THE TRAIN YOU CHANGED (CLICK YES TO REPLACE)
Hope this helps-if you don't have train editor, download it here
http://www.bveklub.hu/developing/tool_traineditor.html