# ID 21151

Invalid combination of spindle commands.
Description | NC commands that mutually cancel each other were used in spindle programming. For example, M3 and M4 are programmed in the same NC block. [PROG//Section: Spindle programming]
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify spindle programming.
Error type | 1, Error message from NC program.