Troubleshooting steps
Check servo amplifier status verify motor operation test encoder check wiring connections review amplifier diagnostics
FANUC
4010 – Servo alarm
X axis servo alarm
Details
X axis servo system detected alarm condition. Check servo amplifier and motor.
Error typealarm
MeaningServo alarm
Typical causesServo amplifier fault motor fault encoder fault wiring fault
SolutionsCheck servo amplifier status verify motor operation test encoder check wiring connections review amplifier diagnostics
Severityhigh
Catalog references
System Information
FANUC4010
Utilities
Troubleshooting Steps
Related
Related FANUC Alarms
FAQ
Common questions
Which axis?
Check alarm message for X axis. Check servo amplifier for that axis.