VMC 20 program looping

[adaprecision]

Hi,

93 VMC 20
running format 2

Today I was proofing a new program and when I got to the end of the program (M30) it automatically started running again, so I stopped the machine replaced the M30 with a M2 and re ran the program, samething happened its like the buffer is plum full and is running an endless loop like if you were to program an M99 with P value.

Anyone have any ideas? Pulling my hair out and running out quick.

Thanks

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[rodney247]

Try renumbering your program NU command. Allways reNumber when you upload a program. Try that. If you don't renumber it can cause the program to do weird things