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DMG Mori MAPPS (Fanuc) M-code list

140 M-codes. Pick a code for the format, the addresses, an example program and what to watch out for.

Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.

Code	Meaning	Machine
M00	Program stop	Mill and lathe
M01	Optional stop	Mill and lathe
M02	Program end	Mill and lathe
M03	Spindle start(normal)	Mill and lathe
M04	Spindle start(reverse)	Mill and lathe
M05	Spindle stop	Mill and lathe
M06	Tool change	Mill and lathe
M08	Coolant discharge ON	Mill and lathe
M09	Oil shot OFF Coolant discharge OFF	Mill and lathe
M10	C-axis clamp	Mill and lathe
M11	C-axis unclamp	Mill and lathe
M19	Spindle orientation	Mill and lathe
M20	Automatic power shut off	Mill and lathe
M21	External output	Mill and lathe
M22	External output	Mill and lathe
M23	External output	Mill and lathe
M24	External output	Mill and lathe
M25	External output	Mill and lathe
M26	External output	Mill and lathe
M27	External output	Mill and lathe
M28	External output	Mill and lathe
M29	Synchronized tapping mode	Mill and lathe
M30	Program end and rewind	Mill and lathe
M31	Axis interlock bypass ON	Mill and lathe
M32	Axis interlock bypass OFF	Mill and lathe
M33	Tool return	Mill and lathe
M44	Table-mount sensor UP	Mill and lathe
M45	Table-mount sensor DOWN	Mill and lathe
M46	Sensor selection signal ON	Mill and lathe
M47	Sensor selection signal OFF	Mill and lathe
M48	Override cancel OFF	Mill and lathe
M49	Override cancel ON	Mill and lathe
M50	Oil-hole drill coolant ON	Mill and lathe
M51	Air blow ON	Mill and lathe
M53	Sensor air blow ON	Mill and lathe
M55	Oil mist ON	Mill and lathe
M58	Sensor air blow OFF	Mill and lathe
M59	Air blow OFF	Mill and lathe
M60	APC start command	Mill and lathe
M61	APC start command	Mill and lathe
M66	Tool skip ON	Mill and lathe
M68	B-axis clamp	Mill and lathe
M69	B-axis unclamp	Mill and lathe
M70	Work counter or total counter	Mill and lathe
M72	Chip removal coolant ON	Mill and lathe
M73	Y-axis mirror image OFF	Mill and lathe
M74	Y-axis mirror image ON	Mill and lathe
M75	X-axis mirror image OFF	Mill and lathe
M76	X-axis mirror image ON	Mill and lathe
M77	External output	Mill and lathe
M80	Shower coolant ON	Mill and lathe
M81	Shower coolant OFF	Mill and lathe
M82	Automatic door open	Mill and lathe
M83	Automatic door close	Mill and lathe
M84	Load monitor (teaching, monitoring) mode ON	Mill and lathe
M85	Load monitor (teaching, monitoring) mode OFF Adaptive control mode OFF	Mill and lathe
M86	Adaptive control mode ON	Mill and lathe
M88	Through-spindle coolant ON	Mill and lathe
M89	Through-spindle coolant OFF	Mill and lathe
M90	Tool-spindle or turning spindle simultaneous operation mode ON	Mill and lathe
M91	Tool-spindle or turning spindle simultaneous operation mode OFF	Mill and lathe
M95	Chip removal coolant OFF	Mill and lathe
M96	Macro interrupt mode	Mill and lathe
M97	Macro interrupt mode cancel	Mill and lathe
M98	Sub-program call in NC memory	Mill and lathe
M99	Sub-program end Repeat program	Mill and lathe
M119	Spindle (second) orientation	Mill and lathe
M120	External output	Mill and lathe
M121	External output	Mill and lathe
M122	External output	Mill and lathe
M123	External output	Mill and lathe
M124	External output	Mill and lathe
M125	External output	Mill and lathe
M126	External output	Mill and lathe
M127	External output	Mill and lathe
M128	External output	Mill and lathe
M129	External output	Mill and lathe
M144	Optical sensor power ON	Mill and lathe
M145	Optical sensor power OFF	Mill and lathe
M165	Oil-hole air blow ON	Mill and lathe
M166	Cs contouring control mode	Mill and lathe
M167	Cs contouring control mode cancel	Mill and lathe
M180	Mist collector ON	Mill and lathe
M181	Mist collector OFF	Mill and lathe
M182	Auxiliary output 2 ON	Mill and lathe
M183	Auxiliary output 2 OFF	Mill and lathe
M192	ATC preparation mode ON	Mill and lathe
M193	ATC preparation mode OFF	Mill and lathe
M198	Subprogram call in external I or O device	Mill and lathe
M200	Chip conveyor start (forward direction)	Mill and lathe
M201	Chip conveyor stop	Mill and lathe
M203	Turning spindle start (normal)	Mill and lathe
M204	Turning spindle start (reverse)	Mill and lathe
M205	Turning spindle stop	Mill and lathe
M216	Lubrication cycle start for break-in operation	Mill and lathe
M226	Semi dry ON	Mill and lathe
M227	Semi dry OFF	Mill and lathe
M229	ID reader forward	Mill and lathe
M230	ID reader return	Mill and lathe
M252	Through-spindle air blow ON	Mill and lathe
M253	Through-spindle air blow OFF	Mill and lathe
M258	Automatic opening or closing protector open	Mill and lathe
M259	Automatic opening or closing protector close	Mill and lathe
M270	Coolant discharge pressure level 0	Mill and lathe
M271	Coolant discharge pressure level 1	Mill and lathe
M272	Coolant discharge pressure level 2	Mill and lathe
M273	Coolant discharge pressure level 3	Mill and lathe
M274	Coolant discharge pressure level 4	Mill and lathe
M275	Coolant discharge pressure level 5	Mill and lathe
M276	Coolant discharge pressure level 6	Mill and lathe
M277	Coolant discharge pressure level 7	Mill and lathe
M302	Tool life count override set	Mill and lathe
M303	Turning mode OFF (C-axis indexing mode ON)	Mill and lathe
M304	Turning mode ON	Mill and lathe
M305	End face coolant ON	Mill and lathe
M306	End face coolant OFF	Mill and lathe
M510	Fixture 1 clamp	Mill and lathe
M511	Fixture 1 unclamp	Mill and lathe
M512	Fixture 2 clamp	Mill and lathe
M513	Fixture 2 unclamp	Mill and lathe
M514	Fixture 3 clamp	Mill and lathe
M515	Fixture 3 unclamp	Mill and lathe
M516	Fixture 4 clamp	Mill and lathe
M517	Fixture 4 unclamp	Mill and lathe
M608	3D interference checking function ON	Mill and lathe
M609	3D interference checking function OFF	Mill and lathe
M1003	Spindle start (normal)	Mill and lathe
M1004	Spindle start (reverse)	Mill and lathe
M1005	Spindle stop	Mill and lathe
M1010	C-axis clamp	Mill and lathe
M1011	C-axis unclamp	Mill and lathe
M1019	Spindle orientation	Mill and lathe
M1044	Sensor down	Mill and lathe
M1045	Sensor up	Mill and lathe
M1046	Sensor selection signal ON	Mill and lathe
M1047	Sensor selection signal OFF	Mill and lathe
M1068	B-axis clamp	Mill and lathe
M1069	B-axis unclamp	Mill and lathe
M1082	Automatic door open	Mill and lathe
M2000 – M2020	Multi counter display function	Mill and lathe

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