Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

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8. TROUBLESHOOTING B–62755EN/01 #3(HVA):Over voltagealarm (Servo amp.LED[1] lights)DC voltage in servo amp. is excessive.Confirm status whenan alarm is generatedDoes the alarmgenerate duringdeceleration ?NOYESConfirm input voltageof servo amplifierPower should be within200/220/230VAC among3 phases of terminalT1(2),(3) and (4)Is voltagenormal ?NOYESInput power voltageis abnormalCheck feed rateServo amp. is faultyDoes the alarmgenerate duringrapid traverse?NOServo amp. is faultyYES· Is acc/dec time is correct ?· Isn’t load inertial too large ?· Is friction reduced by aging ofmachine ?Set acc./dcc. timeconstant lager as atemporary measureRefer to acc./dec. parameters1600 and so on.356
B–62755EN/018.TROUBLESHOOTING #2(DCA):Discharge alarm1 Servo amp LED 4 lights (discharge control circuit is abnormal)(START)Generate atpower on ?YESNOServo amp. is faultyGenerate duringdeceleration ?YESNO.Check frequency ofacceleration/decelerationGenerate duringlowering ofvertical axisNONOFrequent ?YESServo amp. is faultyYESBalancer adjustment failureCheck by motor load currentduring up/down movement· Mechanical load inertiais large· Resistance for frictiondue to againg of machineis reduced.Set a larger acc./dec. time constantas a temporary measure.*Take care that deceleration distancebecomes longer.Separate type dischargeresistor mustbe added357
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GE Fanuc AutomationComputer Numeric
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B-62755EN/01PREFACEPREFACEDescripti
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B-62755EN/01PREFACERelated manualsT
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B-62755EN/01 2.7 HOW TO REPLACE TH
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B-62755EN/01 7. AC SPINDLE (ANALOG
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B-62755EN/011DISPLAYAND OPERATION O
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B-62755EN/011. DISPLAY AND OPERATIO
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B-62755EN/012. HARDWARE2.1STRUCTURE
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B-62755EN/012. HARDWARE(Main CPU)SE
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B-62755EN/012. HARDWARESCALE1 (JF21
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B-62755EN/012. HARDWARE2) When the
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B-62755EN/012. HARDWARE4) When the
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B-62755EN/012. HARDWARE Terminal la
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B-62755EN/012. HARDWARE3) For 14″
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B-62755EN/012. HARDWARE2.4.2Reader/
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B-62755EN/012. HARDWARE2.4.4I/O LIN
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B-62755EN/012. HARDWARE Connection
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B-62755EN/012. HARDWARE2.4.6Connect
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B-62755EN/012. HARDWARE Serial spin
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B-62755EN/012. HARDWARE2.4.9Connect
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B-62755EN/012. HARDWARE2.4.11Remote
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B-62755EN/012. HARDWARE2.4.12High-s
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B-62755EN/012. HARDWARE2.4.14Enviro
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B-62755EN/012. HARDWARE GroundThe f
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B-62755EN/012. HARDWARE Noise suppr
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B-62755EN/012. HARDWARE2.5LED DISPL
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B-62755EN/012. HARDWARE FuseFusesPo
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B-62755EN/012. HARDWARE2.5.2Main CP
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B-62755EN/012. HARDWARENo. Name Spe
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B-62755EN/012. HARDWARE2.5.4Option
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B-62755EN/012. HARDWARE Location of
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B-62755EN/012. HARDWARE2.5.5Option
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B-62755EN/012. HARDWARE2.5.9I/O Car
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B-62755EN/012. HARDWARE2.5.11Backgr
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B-62755EN/012. HARDWARE2.5.1264-bit
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B-62755EN/012. HARDWARE2.6.3Control
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B-62755EN/012. HARDWARE2.6.4Modules
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B-62755EN/012. HARDWARE2.6.5CRT/MDI
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B-62755EN/012. HARDWARE2.8.1Replaci
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B-62755EN/012. HARDWARE2.8.3Replaci
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B-62755EN/012. HARDWARE(5)(4)Fan mo
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B-62755EN/012. HARDWARETable 1. Fus
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B-62755EN/012. HARDWARECleaning hea
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B-62755EN/012. HARDWARE2.12ADJUSTIN
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B-62755EN/013. INPUT AND OUTPUT OF
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B-62755EN/015. DIGITAL SERVO5DIGITA
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B-62755EN/015. DIGITAL SERVO(2)MOTO
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B-62755EN/015. DIGITAL SERVO8) For
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B-62755EN/015. DIGITAL SERVO(8)No.
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B-62755EN/015. DIGITAL SERVOAlarm1#
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B-62755EN/015. DIGITAL SERVO5.3ADJU
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B-62755EN/015. DIGITAL SERVO5.4DOGL
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B-62755EN/016ACSPINDLE (SERIAL INTE
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B-62755EN/01APPENDIXA. I/O UNIT MOD
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B-62755EN/01APPENDIXB. ALARM LISTBA
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B-62755EN/01APPENDIXC. LIST OF MAIN
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B-62755EN/01APPENDIXD. BOOT SYSTEMD
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B-62755EN/01ENOTATIONAPPENDIXOF MDI
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B-62755EN/01Numbers16-TC/MC, 160-TC
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B-62755EN/01INDEXMMain CPU board, 1
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Revision RecordFANUC MAINTENANCE
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