FANUC

840 – Spindle alarm

Spindle system alarm

Details

Spindle system alarm 840. Check spindle drive and motor.

Error typealarm
MeaningSpindle alarm
Typical causesSpindle drive fault motor fault bearing failure
SolutionsCheck spindle drive verify motor operation check bearings
Severityhigh

Catalog references

System Information

FANUC840

Utilities

Troubleshooting Steps

Troubleshooting steps

Check spindle drive verify motor operation check bearings

Related

Related FANUC Alarms

749 – Spindle spindle speed fluctuation

Spindle speed varies from command

→

750 – Spindle spindle serial link error

Spindle amplifier communication error

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FAQ

Common questions

Is spindle damaged?

Check spindle runout and bearing condition

Community

Discussion & Experiences

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