3009
Machining Interference Occurred
Fanuc · Manual Guide Milling and Turning
What does 3009 mean?
This P/S alarm indicates that an interference has occurred during machining, such as the tool path colliding with the opposite machining area or an existing feature. A common cause is a cutter radius being too large for the defined machining area, posing a risk of tool breakage or part damage.
Repair Steps
- 1
Modify the machining program to resolve the interference, potentially by adjusting the cutter radius, optimizing the tool path, or altering the machining area.
Verified technical data. Last updated: March 2026
Source: Fanuc Manual Guide Milling and Turning