Troubleshooting steps
Check spindle drive status verify motor operation check bearings review spindle diagnostics
FANUC
5900 – Spindle alarm
Spindle system alarm
Details
Spindle system detected alarm condition. Check spindle drive and motor.
Error typealarm
MeaningSpindle alarm
Typical causesSpindle drive fault motor fault bearing failure mechanical problem
SolutionsCheck spindle drive status verify motor operation check bearings review spindle diagnostics
Severityhigh
Catalog references
System Information
FANUC5900
Utilities
Troubleshooting Steps
Related
Related FANUC Alarms
FAQ
Common questions
Is spindle damaged?
Check spindle runout and bearing condition before restarting