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Lock Geometry Offsets (CUSTOM ALARM) Interlock with your Program | @CNCBASICMACROS

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Feb 6, 2026
6:50

### **NEVER CRASH AGAIN! THE SECRET FANUC MACRO TO AUTO-LOCK OFFSETS** STOP MACHINE CRASHES AND EXPENSIVE OPERATOR MISTAKES! IN THIS CRITICAL CNC TUTORIAL, I REVEAL THE FANUC MACRO PROGRAMMING LOGIC YOU NEED TO INTERLOCK YOUR GEOMETRY OFFSETS. THIS IS A MUST-HAVE PROGRAMMING HACK FOR ANY CNC MACHINE SHOP. **WHAT YOU WILL LEARN:** * HOW TO READ THE GEOMETRY OFFSET LOCK STATUS DIRECTLY FROM THE MACHINE. * THE EXACT FANUC PARAMETER AND BIT YOU NEED TO ACCESS: **PRM 3290** AND **BIT G0F**. * WRITING THE **IF...GOTO** LOGIC BLOCK TO TRIGGER A CUSTOM ALARM (MESSAGE NUMBER 100) AT THE START OF YOUR PROGRAM. * ENSURING YOUR MACHINE **ALARMS OUT IMMEDIATELY** IF THE OFFSETS ARE UNLOCKED, PREVENTING COSTLY MISTAKES AND CRASHES. THIS SIMPLE LOGIC ADDS A CRITICAL LAYER OF SAFETY TO YOUR MACROS AND WILL SAVE YOU THOUSANDS IN REPAIRS AND DOWNTIME. WATCH NOW AND IMPLEMENT THIS HACK TODAY! **NEXT VIDEO IDEA?** WHAT OTHER MACHINE PARAMETER OR FUNCTION SHOULD WE INTERLOCK NEXT? DROP YOUR SUGGESTIONS IN THE COMMENTS BELOW! **SUBSCRIBE FOR MORE CNC BASIC & MACROS!** * **CHECK OUT OUR PLAYLISTS:** Macro Programming in Hindi (MACROS) https://www.youtube.com/playlist?list=PLFCja7eQbOqigY9UbrYlq4pstGf8T-aZi Macro Program Examples Explained https://www.youtube.com/playlist?list=PLFCja7eQbOqhRufyuKAcckarfuVvnLZtt G10 - Data Setting (Programmable Data input) https://www.youtube.com/playlist?list=PLFCja7eQbOqhjDWNwC32PIHB2zfahglCp Video Hashtags #CNC #CNCMachining #FANUC #CNCMACROS #CNCProgramming #GEOMETRYOFFSET #OFFSETHACK #CNCSAFETY #CNCPROGRAMMINGTUTORIAL #MACHINESHOP #CNCTIPS #PRM3290 #FANUCHACK #MACHINECRASHPREVENTION #CNCAutomation

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Lock Geometry Offsets (CUSTOM ALARM) Interlock with your Program | @CNCBASICMACROS | NatokHD