Fanuc alarm
The spindle motor can't reach or hold the speed it was told to run.
The spindle motor can't reach or hold the speed it was told to run. Spindle amplifier alarm 02.
Lock out the machine before reaching into it. Never bypass a door switch or interlock to clear an alarm.
If it happens without a heavy cut, have a tech check the spindle drive, motor and feedback.
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The spindle motor can't reach or hold the speed it was told to run. Spindle amplifier alarm 02.
Overload from a heavy cut or dull tool. Slipping or broken drive belts. Spindle bearing drag. Spindle amplifier or motor feedback fault.
Check belt condition and tension (power off). Try running the spindle with no cut and watch the load meter. Check the tool and the cut. If it happens without a heavy cut, have a tech check the spindle drive, motor and feedback.
Alarm numbers and text can differ by control model, software version and machine builder. This page is a starting point from people who have worked on these machines, not a replacement for your machine builder's manual.
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