3012
G-Code Combination Invalid
Fanuc · Manual Guide Milling and Turning
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.
Repair Steps
- 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
Source: Fanuc Manual Guide Milling and Turning