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Fanuc SP9012 DC LINK circuit overcurrent
Fanuc SP9012 DC LINK circuit overcurrent
Amplifier alarm number: 12
Alarm reason: caused by excessive current of the spindle motor.
Troubleshooting ideas:
1
Check the initialization of the inherent parameters of the spindle motor.
2
Check the insulation filling of the cable and whether the phase sequence of the power line is connected incorrectly.
3
Replace the spindle amplifier.
4
If this alarm occurs when the winding is switched, there may be problems with the contactor and PMC timing.
