dears any help 

about complete procedure for reload complet backup for sinumerik system3t

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Split from Sinumerik System3 dead.

Hi,

There is only machine data to load for system 3 and this can be loaded by hand from the keyboard.

The plc is on eprom.

Pee

Clear system down and do power on reset with correct input and number for system. Then reload nc data.

dear sir kindly ,need detailed step about clear system  and reset number 

and detailed to clear plc program and reload agin

short example how to type nc data manually 

my ssytem is 3t 

although whta bout to led on coupling board if all are of 

and what about toggle switch

and small rotaary switch postion 

waiting procedure