3012
G-Code Combination Invalid
Fanuc · Series 0i Manual Guide
What does 3012 mean?
This P/S alarm indicates that G codes specified in the program cannot be combined as programmed. Specifically, a figure block has been paired with a machining type block that is not compatible or available for that figure type, leading to an invalid operation sequence.
Common Causes
- An unsupported or incorrect combination of G-codes was detected in the program.
- Conflicting G-code commands present in the NC program sequence.
- Specific G-code functions require specific parameters or preceding codes which are absent.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Modify the machining program to specify a correct and compatible combination of machining type block and figure block.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc Series 0i Manual Guide