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06-15-2009, 08:20 AM
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 Fanuc dc spindle drive & led's
Friends, we do have one moriseiki machine with fanuc dc spindle drive with no a20b-0008-0371/7. There are 5 led's in the pcb namely led1 to led 5. Any body will please help me with the details of the alarm pertaining to each led and the corresponding action to be taken thanks chandru  |
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07-14-2009, 11:54 PM
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 Re: Fanuc dc spindle drive & led's
Specify the model of drive.
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11-30-2009, 08:28 AM
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| Re: Fanuc dc spindle drive & led's
Alarm # Led Display Content of Alarms 8 4 2 1 1 o Motor Overheat 2 o Speed deviates from commanded speed 3 o o Fuse F7in DC link is blown out. 4 o Fuses F1,F2,F3 for AC input blown out. 5 o o Fuses AF2 or AF3 on PCB are blown out. 6 o o Excess Motor Speed Analog 7 o o o Excess Motor Speed Digital 8 o Voltage higher than specified (24v) 9 o o Radiator for power semiconductor overheat 10 o o +15Volt Supply is low 11 o o o DC Link voltage is high 12 o o DC Link current is high 13 o o o CPU and peripheral parts are defective 14 o o o ROM is defective 15 o o o o Option circuit fault. |
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