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M99 Sub-program end Repeat program
DMG Mori MAPPS (Fanuc) M-code · Mill and lathe
Indicates the end of the sub-program and is also used to command a repeat of the main program.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
M99 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Subprogram end and return |
| Haas NGC | Subprogram return or loop |
| Doosan (Fanuc) | End of sub program |
| Mazak (EIA) | EIA → EIA Return to main EIA program |
| Okuma OSP | Subprogram return (Lathes & Mills) |
| Mitsubishi M70 M80 | Subprogram end and return |
| Brother Speedio | Subprogram end |
| Heidenhain TNC (ISO) | Cycle call in a positioning block |
| LinuxCNC Tormach | Fanuc style subprogram return |
| Mach3 Mach4 | Subprogram return |
| Centroid CNC12 Acorn | Return from subprogram or macro |
| Hurco WinMax (NC) | Subprogram return |
| Fadal | End of subprogram, or line jump |
| Swiss (Citizen Star) | Subprogram return or program loop |
Every M-code for DMG Mori MAPPS (Fanuc) in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.
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