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

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8. TROUBLESHOOTING B–62755EN/018.18ALARM 401 (*DRDYSIGNAL TURNEDOFF)Ready signal (*DRDY) of servo amplifier is not turned on or turned offduring operation.Check LED statusof servo amplifier*When alarm 414 is also generated, LEDshows a number. Consult with alarm 414. NO(Not lit)YESCheck if 100VAC issupplied across 5 and 6on terminal board T1 ofthe servo unit100VAC isnormal ?YESNOServo amp. isfaultyCheck input power supplyof servo amplifierYESNormal ?NOCheck magneticscircuit· Cable disconnection between servo amp. andmain CPU or option 2 board.· Servo amp. is faulty· Main CPU board or option 2 board is faultyCAUTIONWhen the main CPU board is replaced, all the data storedin memory is lost. Set NC data again, referring to chapter 3.“Data input/output” .Main CPU boardOption 2 boardServo amplifier ( series)DVSERVOx–10*MCOMJSnB–10RV RLY MCCT1–5,6100VACRV–20*DRDY–20DVFrom 1st axis to 4th axis are main CPU board. 5th axis orlater are option 2 board.346
B–62755EN/018.TROUBLESHOOTINGPower on sequence (NCServo amplifier)Power ON= *Power supply unit failure*Input fuse disconnectionServo enable= *SVF1~8 (Servo off signal)Position, velocitycontrol ready (*MCON)= *System alarm (ALM900∼973) *Servo alarm(ALM400∼417) *Emergency stop (*ESP)Servo amp. ready (DRDY)= * Servo amp. alarm (1–9,b) *Emergencystop signall (*ESP) *100VAC Lack of3–phase input voltage347
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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. HARDWARESCALE1 (JF21
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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. HARDWARENameSpecific
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B-62755EN/012. HARDWARE2.7HOW TO RE
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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/012. HARDWARE2.13REPLACIN
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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/016. AC SPINDLE (SERIAL I
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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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