FANUC

766 – Spindle alarm

Spindle system alarm

Details

Spindle system alarm 766. Check spindle drive and motor condition.

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

FANUC766

Utilities

Troubleshooting Steps

Troubleshooting steps

Check spindle drive status verify motor operation check bearings review spindle diagnostics

Related

Related FANUC Alarms

749 – Spindle spindle speed fluctuation

Spindle speed varies from command

→

750 – Spindle spindle serial link error

Spindle amplifier communication error

→

FAQ

Common questions

Is spindle damaged?

Check spindle runout and bearing condition before restarting

Community

Discussion & Experiences

Share your experience, solutions, or ask questions about this error code. Help others troubleshoot!

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