These are sub-programs written in Custom Macro B (or A). Unlike standard part programs, the O9000 series is used for background logic. Your machine uses O9001 to perform a tool change, or O9020 to run a probing routine. These are often hidden and locked via parameters to prevent operators from accidentally deleting or altering them.
The is not a single document but a flexible, machine-specific set of option switches that transform a basic CNC into a high-end machining center. While general lists exist – such as the one shared above – they are educational references, not service manuals . fanuc 9000 parameters list
Similar to NE9, but protects 8000-series programs. These are sub-programs written in Custom Macro B (or A)
Locate bit position 4 labeled (Bits read from right to left: 7-6-5-4-3-2-1-0). Change NE9 from 1 (Protected) to 0 (Unprotected). These are often hidden and locked via parameters