MV-40 SYSTEM NO. 1 ERROR

[cowboysam777]

IM GETTING A ( SYSTEM NO. 1! ) MESSAGE WHEN EVER I TRY TO RUN A PROGRAM OR MDI A TOOL CHANGE ANY IDEA HOW TO FIX THIS ?

THANKS
SAM

[underthetire]

What MV40?, what control? Does the machine run except for the ATC?

[cowboysam777]

nothing was working (system no1!) would pop up on the screen .
found out the operator had turned on the pramater change option so it would'nt run unless that was turned off.
its running now .
it was a I80 control