Clear any interlocks if possible, power on the CNC, and release the emergency stop.
For parts and technical support, specialized retailers like TIE - FanucWorld or CNCpart.eu provide detailed documentation and repair services.
[Insert Machine Make/Model and Fanuc Control Series, e.g., Fanuc 18i-MB] fanuc 414 servo alarm z axis detect error repack
You cannot fix a problem you do not understand. Here are the six primary reasons for this alarm, ranked by probability.
Unlike X and Y axes (horizontal), the Z-axis must fight gravity. Clear any interlocks if possible, power on the
Disassemble the rear section of the servo motor, inspect the brake friction plates for wear or glazing, verify the coil resistance matches Fanuc factory specs, and clean out any grease that may have migrated into the dry brake chamber. Summary Preventative Maintenance Checklist
: High current detected on the second axis channel. Here are the six primary reasons for this
The pulse coder (encoder) on the Z-axis motor is malfunctioning.