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Wire Saw (Control Data Tranfer Method)

1. Check and correct faulty motor wiring Disconnect the motor from machine and perform Rotational Auto Tuning oe ko Bee FEED Operator Display RS ESH Se Error Name 97 ui r 05 Er09 Acceleration Error detected only during Rotational Auto Tuning Possible Solutions The motor did not accelerate for the Increase the acceleration time C1 01 Check if it is possible to disconnect the machine from the motor H J 7 DEDI splay ie phe Erron Nam Ee Gay amp e i Erell Motor Speed Fault detected only when Auto Tuning is enabled Possible Solutions Enabled in Increase the acceleration time C1 01 Disconnect the machine from the motor if possible T TA zm PRET ETS A x p f 9 Pow he 3 ura A zEnonNamec v n5 EU motor lin Ee EAE ERC CENA aaa TUI a Se ET Pe eee 2d Su te pr EED Operator Dis fe eS e i Eri2 jCumentDetecionEmor S Possible Solntions Wee nator phases is missing U T1 Check motor wiring and correct problems Current exceeded the current rating of the Check the motor wiring for a short between motor lines drive If a magnetic contactor is used between motors ensure it is on Replace the drive P Connect the motor and perform Auto Tuning Replace the drive YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V 1000 Technical Manu
2. A Cb0 of influence from machines on Properly i ground the machines to Encoder Echoback the servomotor side such as the Check the encoder cable layout separate from encoder FG Eror welder Excessive vibration and shocks Reduce the machine vibration or were applied to the encoder Check the operating environment correctly install the servomotor Tum the power supply OFF and i then ON again If the alarm still An encoder fault occurs the servomotor may be faulty Replace the servomotor Tum the power supply OFF and then ON again If the alarm still A SERVOPACK ROM Donnas occurs the SERVOPACK may be faulty Replace the SERVOPACK When using a direct drive DD servomotor the multiturn limit Correct the setting of Pn205 0 to value Pn205 is different from Check the value ofthe Pn205 65535 that of the encoder B The multiturn limit value of the A CCO encoder is different from that of Multitum Limit the SERVOPACK Or the multi Check the value of the Pn205 of the oe Fn013 at the occurrence of Disagreement tum limit value of the SERVO PACK has been changed Turn the power supply OFF and then ON again If the alarm still JESERVOPAGISfMUN Deere occurs the SERVOPACK may be faulty Replace the SERVOPACK Wiring of cable between serial converter unit and SERVOPACK Check the external encoder wiring Correct the cable wiring is incorrect or contact is faulty 2 The specified cable is not used A CF1 between se
3. 236 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 4 Fault Detection Se A IY AA TRS rn Possible Solution Option card or hardware i is damag ged Replace the op ption card Contact Yaskawa for consultation The temperature of the heatsink exceeded the value set to L8 02 90 100 C Default value for L8 02 is determined by dri acity 02 04 Possible Solution Check the temperature surrounding the drive Verify temperature is within drive specifications Improve the air circulation within the enclosure panel Install a fan or air conditioner to cool the surrounding area ing near the drive that might be producing excessive heat Measure the output current Load is too heavy rsen the load wer the carrier freg Replace the cooling fan Refer to Cooling Fan Replacement on page 269 Internal internal cooling fan is stopped B teal cooling fan is sopped l After replacing the drven reset the coolin g fan fn mites parameter 04 03 0 Ta E EEUU The temperature of the heatsink has exceeded the overheat detection level Possible Solution Check the temperature surrounding the drive Improve the air circulation within the enclosure panel install a fan or air r conditioner to cool the surrounding ar area Measure the TEIA cues Load is too heavy Lower the carrier Frequency C6 02 Reduce the load Check the maintenance tirne for the cooling
4. An Operator Programming Error oPE occurs when an inappropriate p is inappropriate The drive will not operate until the parameter is set correctly however no alarm or fault outputs will occur If an oPE occurs investigate the cause and Refer to oPE Codes Causes and Possible Solutions on page 249 for the appropriate action When an oPE error is displayed press the ENTER button to display U1 18 oPE fault constant This monitor displays the parameter causing the oPE error oPE Codes Causes and Possible Solutions Table 6 11 oPE Codes FeV ELED Operator Displa NE dm CEFTOEN a v Drive ca and the value set to 02 04 do not match RUSSIE RPM ESEEDEIE Possible Solutions The drive capacity setting 02 04 and the actual capacity of the drive are Correct the value set to 02 04 PUGIEURBUITMOS ES ED lay P nes T JI z nt leu ie en m PETAS KE erator D A TACS RRRA Error Name 25 a emn peee Range Setting Error Use U1 18 to find p eters set outside the range se CSCS Possible Solutions Parameters were set outside the possible setting range Set parameters to the proper values Note Other errors are given p 2 when multiple errors occur at the same time F Multi Function Input Selection Error oPEOJ A contradictory setting is assigned to multi function contact inputs H1 01 to H1 07 Possible Solutions The same function is assigned t
5. signal is input Check if the overtravel limit switch Correct the overtravel limit switch is wired correctly wiring Check the settings for parameters Correct the settings for parameters Pn50A and PnSOB Pn50A and Pn50B Check the fluctuation of the exter s nal power supply 24 V voltage Stabilize the external power supply for the input signal 24 V voltage Forward or reverse run prohibited Check if the overtravel limit switch signal malfunctioning operates correctly Correct the overtravel limit switch wiring is correct check for dam aged cables or loose screws Incorrect forward or reverse run Check if the P OT signal is allo If another signal is allocated in prohibited signal P OT N OT cated in Pn50A 3 Pn50A 3 allocate P OT allocation parameters Pn 0A 3 Check if the N OT signal is allo If another signal is allocated in Pa50B 0 cated in Pn50B 0 Pn50B 0 allocate N OT Check the settinps for parameters Pn001 0 and Pn001 1 when the ser Select a servomotor stop method h other than coast to stop Incorrect servomotor stop method Vomotor power is OFF id selection Check the settings for parameters Pn001 0 and Pn001 when in Seeet setvomotor sop method i E 3 t P m Install the limit switch at the appro priate position Improper limit switch position and dog length The overtravel limit switch position is too short for the coasting dis tance Insta
6. E WE CHEM o a RUNS GNO MERE Write Error A TE Data does not match the EEPROM being written to Possible Solution J Press the button Correct the parameter settings Cycle power to the drive Refer to Diag D EN mae ATO Excessive PID Feedback PID feedback input is greater than the level set b5 36 for longer than the time set to b5 37 To enable fault detection set b5 12 2 or 5 iri isi Correct the wiring There is a problem with the feedback sensor RM EE merged y side E LED Operator Display ii Sle E See sctizFaul Name c 00x DIE RII This fault occurs when PID Feedback Loss Detection is programmed to fault b5 12 2 and the PID Feedback lt PID Feedback Loss Detection Level b5 13 for the PID Feedback Loss Detection Time Possible Solution Check the settings of parameters b5 13 and bS 14 Wiring for PID feedback is incorrect Correct the wiring Check the sensor on the controller side If damaged replace the sensor weet x n akut AS abide nb ndr man i 1 lane Ne ar ise a und Fault Current shorted to ground exceeded 50 of rated current on output side of the drive Setting L8 09 to 1 enables ground fault detection in models 5 5 kW or larger Possible Solution Motor insulation is damaged Fiir perci resistance of the motor Check the motor cable Remove the short circuit and
7. 2 6 2 Open the Menu gt File Manager and then press the Monitor System UPGRADE screen button Touch Panel Software Version Upgrade T 3 The confirmation screen shown in following picture appears Confirm the version change file exists in the USB Memory installed to the unit If the USB Memory is not installed to the unit install the USB Memory referring on page 1 5 2 7 4 When pressing the key the data saved into the USB Memory shown in following picture appears DM BREED zn ah 5 Touch the desired file and confirm the file name is shown in the File name text box 6 Press the key after confirming the desired file n eo oum um cm an mou umo m ce HP P o m m P um m um c ee wee e ux o oum m o ce 9 o wen Caution Press each key at only one time firmly from next i i operation If pressing more than one time the operation will be cleared and the function will not move correctly _ ma a 7 Confirm the desired file has been selected and then press the OK key to start copying the data after changing the screen shown in following picture o gt 8 When the transferring the data the message The copy was completed will appear Press the OK key to move to next ii Lx eU OE BER ee xi ARA 2 10 10 Return to Menu screen and turn off power once Turn off the breaker after Touch panel screen disappears 11 The transfer ope
8. Measure the power supply voltage Improve the power supply condi tions by installing a surge absorber etc Then tum the power supply OFF and ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK Measure the power supply voltage Check the power supply voltage and the speed and torque during opera tion Set AC power supply voltage within the specified range x Select a regenerative resistance Check the operating conditions and 2 A value appropriate for the operating the regenerative resistance conditions and load The moment of inertia ratio Confirm that the moment of inertia Increase the deceleration time or exceeded the allowable value ratio is within the allowable range reduce the load Turn the control power OFF and then ON again while the main cir cuit power supply is OFF If the A SERVOPACK fault occurred alarm still occurs the SERVO PACK may be faulty Replace the SERVOPACK 9 1 Alarm Displays M H For 100 VAC SERVOPACK s The AC power supply voltagc is 49 V or less For 200 VAC SERVOPACKs The AC power supply voltage is 120 V or less For 400 VAC SERVOPACKs A410 The AC power supply voltage is 240 V or less Undervoltage The power supply voltage Detected in the SER Measure the power ly voltage Increase the power supply capacity VOPACK
9. Pry PELE SoA OTSA Auto Tuning faults are shown below When the following faults are detected the fault is displayed on the Digital and the motor coasts to a stop No fault or alarm outputs will occur E 3 Mata aa Auto Tuning Codes Causes and Possible Solutions ci oa Diu a ess sive VIF Setting Detected only during Rotational Auto Tuning and displayed after Auto Tuning is complete Possible Solutions Before Auto Tuning the drive verify the information written on the motor nameplate and enter that data to T1 03 through T1 05 Enter proper information to parameters T1 03 to T1 05 and repeat Auto Tuning f possible disconnect the motor from the load and perform Auto Tuning Tunin g The results from Auto Tuning the no load current exceeded 80 is LED Operator Displ y s 7 E DE i e go eee ae Iron Core Saturation Coefficient D Auto Tuning and displayed af Auto Tuning is complete Possible Solutions Motor data entered during Auto Tuning Motordata entered to the T1 parameters does not match the information written on the motor nameplate was incorrect Restart Auto Tuning and enter the correct information Check and correct faulty motor wiring Disconnect the motor from machine and perform Rotational Auto Tuning The motor line to line resistance and the motor rated current are not consistent w
10. Single Wire Saw Updated Operating Instruction Control Data Tranfer Method MP soft Takatori Corporation MODEL DOCUMENT REVISION WSD Unit DOE RA MP2500 perating Instruction Revision History Date 2011 2 18 page Contents DRDO Initial 1 1 Table of Contents 1 2 3 PREPARATION PROCEDURES CANCEL 1 2 Overview This instruction document provides operational procedures to change the control data software version of the Single Wire Saw 1 Preparation 1 Tool required for the procedures following 1 USB Memory 1pc 2 Version Upgrade Data Filename wsd YMW The YMW is extension for the version upgrade data Save above 2 data to the USB Memory The saved data is shown on the PC prepared as following picture Removable Disk D CETTE YI A Tae petits ar ted wed YMW Make a new folder YMW File QJ Make a new fold 211 KE E Publish this folder to the The above example picture shows the version files into the USB Memory wsd YMW fee Sal Caution The example picture shows wsd YMW but the YMW extension may not be indicated if the check box Hide extensions for known file types was checked on the PC folder option setting Remove the check from the check box and mouse click OK as following picture 1 3 show hidden fles and folders E ane i Shon bid rdies andJoldars E Hide extensions for known file iyi S
11. Viewing Fault Trace Data After Fault HEE einer Tum on the drive input power The first screen isplays displays A Press until the monitor screen is displayed s Press to display the parameter setting screen A Press and gt until U2 02 Fault History is displayed E A 5 press to view most recent fault here oC 0 o 9 occurred Parameters U2 03 through U2 17 help determine cause As of fault Fix the cause of the fault restart the drive and reset the fault Press on the digital operator E um Close then open the fault signal digital input via Resetting via Fault Reset Digital laput ermina S4 Sa is set fault reset as default H1 04 12 If the above methods do not reset the fault turn off the drive main power supply Reapply power after LED operator display is out 254 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 9 Troubleshooting without Fault Display i A Displa t p M numus an alarm or fault Stop the drive and switch over to the Programming Mode Most parameters cannot be edited during run The drive is running th is present See what mode the LED cter is current set for Parameters a edited when in the Setup Mode STUP Switch modes so that PAr ppears on the screen A multi function contact input terminal is set to allow o restrict paramet
12. faulty Replace the SERVOPACK A E61 MECHATROLINK II transmise Check the MECHATROLINK II Remove the cause of transmission MECHATROLINK II _ Sion cycle fluctuated transmission cycle setting cycle fluctuation at host controller MECHATROLINK H tion error occurred due to noise Communications error interference Reception error ia riers Cycle Tum the power supply OFF and Tor then ON again If the alarm still Synchronization A SERVOPACK fault occurred occurs the SERVOPACK may be interval error faulty Replace the SERVOPACK The connection between the Check the connection between the SERVOPACK and the Feedback SERVOPACK and the Feedback Soin Meme the Feedback Option Module is Faulty Option Module A E72 Execute resetting configuration Feedback Option The Feedback Option Module error in option modules Fn014 and Module Detection was disconnected tum the power supply OFF and then Failure ON again A Feedback Option Module fault Replace the Feedback Option Mod occurred ule ASERVOPACK fault occurred Replace the SERVOPACK A parameter was changed by the Stop changing parameters using digital operator or the personal Confirm the way the parameters are digital operator or personal com computer during MECHA edited puter during MECHATROLINK II A EA2 TROLINK II communications communications DRV Alarm 2 MECHATROLINK II transmis Check the MECHATROLINK II Remove the cause of transmission SE
13. iE T inde pr gte Sparantrastet files R ecommended Cl Launch folder windows in a separate process z Remember each folder s view settings C Restore previous folder windows at logon L1 Show Control Panel in M y Computer i 7 Show encrypled or compressed NTFS files in color I Show pop up description foi foldes and desktop items O Use simple file sharing Recommended i 2 Press the TENSION CONTROL OFF to turn OFF gt press the Key to turn OFF the servo of the reel L and R 3 Install the USB Memory to the internal USB Connector 1 USB Adaptor installed WSD K2 _ Caution Be sure to perform after confirming following cautions 1 5 2 Procedures 1 Open the Menu gt Version and confirm the current version MP software Ver n noun The version of the example shown in the following picture is 2 011 Explain how to upgrade the version from 2 011 to 2 018 from here as example Close the screen by the key after confirmation 2 Open the Menu gt File Manager and then press the screen button MP Software Version Upgrade aN 3 Confirm the version change file exists in the USB Memory installed to the unit If the USB Memory is not installed to the unit install the USB Memory referring on page 1 5 oPlease press the key The transfer confirmation screen is shown in following picture appears Caution Press each key at only one time firmly from next i operation If p
14. Check the input current allowable levels Reduce the current input to control circuit terminal V to 20 mA 232 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 4 Fault Detection s aplay T TIENS Lui Se Fault Nameyur ci ENS SS in qi ST BED ara aie z Fault Name cle power to the drive If the problem continues replace the drive The power supply was ue off when Reinitialize the drive A1 03 1g CPFO8 ore Serial Comrmosication Fault EEPROM communications are not functioning properly Possible Solution fn owe ie NR EEUU CD MCN Ir m drive i D 3 Or Ds y EE NS n Jumiigc cU beet sj alb CPF ETT Fault SEE Problem with the ROM FLASH memo TU Solution erator EFault Name Ee 3 T tor Display a uS TU ce 3 wa dia gnostics problem Possible Solution a eS ator Disp haa a tor DIS ENS hti AX t Control Circuit Fault lt Possible Sotution Hardware is damag ed JR place the drive ge E 2D Operator Di r raton Dj SSIES cant cim ne HESS EEN Clock Fault CFF i Etta Possible Solution Arpek iF dms 2e Y I EELU de Fault A timing error occurred during an internal process Possible Solution JR placc te drive Em f uit Fault B CPF18 Control Circuit
15. L Aare cores E ang Possible Solutions Fb peer i Drive output interrupted as indicated by an external baseblock signal b entered mat faci ipa imi si PA Check external pclae ine and baseblock signal input timing zv Minor Fault Names 5 e Mir initia communication was established the connection was lost am Assign a run command frequency reference to the option card Check for faulty wiring Correct the winng ground wiring or disconnected cables If there arc no problems with the wiring and the fault continues to occur replace the option card The connector pins on the option card are not properly lined up with the connector pins on the drive Reinstall the option card Check options available to minimize the effects of noise Take steps to counteract noise in the control circuit wiring main circuit lines and ground wiring Try to reduce noise on the controller side A data error occurred due to noise arie age a on magnetic contactors or other equipment causing the Use cables recommended by Yaskawa or another type of shielded line The shield should be grounded on the controller side or on the drive input power side All wiring for communications devices should be separated from drive input power o ES an EMC noise filter to the input side of the drive i X Communications wiring is faulty there is Check for wiring errors a short circuit or something is not Correct the wiring c
16. Setting Error ge 2 Thealarm that may occur in a SERVOPACK with Fully closed Module 9 18 9 1 Alarm Displays d B T E SA E WDT data of host controller was 2 the WDIA data updating for TUpdate the WDT data at the ime A E50 not updated correctly the host controller controller correctly MECHATROLINK II Turn the power supply OFF and Synchronization Error A SERVOP then ON again If the alarm still SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK WDT data of host controller was not updated correctly at the syn Check the WDT data updating for Update the WDT data at the host Chronization communications AE51 start and synchronization com the host controller controller correctly MECHATROLINK 1I munications could not start Synchronization Failed Turn the power supply OFF and then ON again If the alarm still A SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK MECHATROLINK II wiring is Check the MECHATROLINK II Say the MECHATROLINK I meomect winngs Connect the terminator correctly Take measures against noise Check A E60 MECHATROLINK II data recep the MECHATROLINK II commu nications cable and FG wiring and take measures such as adding ferrite core on the MECHATROLINK H communications cable Tum the power supply OFF and then ON again If the alarm still A SERVOPACK fault occurred occurs the SERVOPACK may be
17. ca ged p me the communications GE Fi r F f i TU Can Not d Minor Fault Possible Solutions Output ux 10 Fault reset was being executed when a run Ensure that a run command cannot be entered from tbe external terminals or option tommasd was entered card during fault reset Tum off CG mun command Speed Deviation for Simple V f vid PG According to the jen ne RP the speed deviation is greater than the setting in F1 10 for a time longe than the setting in F Minor Fault Cause Possible Solutions Output CEPS EID 10 Load istoo heavy si is too Load istoo heavy si Reduce the load The load is locked up Check the machine Check the settings of parameters F1 10 and F1 11 Ensure the brake T prope AR MinorFaultName da dn Drive Dialed Minor Fault Cause Possible Solutions Output H2 DLI 10 Drive Enable is set to a multi function contact input H1 L1C 6A and that Check the operation sequence peel wis switched off i xm EF Se ree TIU oe a Both forward run and reverse run closed simultaneously for over 0 5 s Minor Fault Cause Possible Solutions Output H2 DIL 10 Check the forward and reverse command sequence and correct the problem ve COLLE 050300 0000s pepe z An extemal fault condition is presen Possible Solutions PLC with F6 03 3 escis the drive to
18. fixing alignment etc A Check if a position error occurs at Unsecured coupling between Secure the coupling between the The I O signal cable must be tinned annealed copper shiclded twisted pair or screened unshielded twisted pair cable with a core of 0 12 mm min Noise interference duc to f Vosa ength of Check the VO signal cable length An encoder fault occurred The pulse count does not change A SERVOPACK fault occured j Replace the SERVOPACK Ambient operating temperature too Measure the servomotor ambient Reduce the ambient operating tem high operating temperature perature to 40 C or less Visually check the surface Clean dust and oil from the surface If overloaded reduce load or Servomotor overloaded Check the load status with monitor replace with larger capacity SER VOPACK and servomotor Position Error Without Alarm Use input signal cable with the specified specifications VO signal cable specifications Servomotor Overheated 9 30 Oriental motor AS Series MECHATROLINK I Troubleshooting and remedial actions During motor operation the motor or driver may fail to function properly due to an improper speed setting or wiring When the motor cannot be operated correctly refer to the contents provided in this section and take appropriate action If the problem persists contact your nearest office 1 Driv
19. o gt D lt o o o O x 2 o j lt o o 3 c jS JB t w D ress the key r US T Transfer result fist 3 15 software screen pE yc FERAL Fee RS FR ae 3 16 Single Wire Saw Updated Operating Instruction Graphic Data Tranfer Method Touch Panel Takatori Corporation MODEL DOCUMENT REVISION WSD Unit Operating Instruction 1 MP2500 aiias Rev No Date Chapter Revision History 2011 2 18 Initial 1 1 Table of Contents 1 2 3 PREPARATION PROCEDURES CANCEL i 2 Overview This instruction document provides operational procedures to change the graphic data software version of the Single Wire Saw 1 Preparation 1 Tool required for the procedures following 1 USB Memory 1pc 2 Version Upgrade Data Graphic Data Folder Name The parts are arbitrary characters The file folder is for the graphic data 3 Version Upgrade Data File Name The parts are arbitrary characters The IPP is extension for the version upgrade data Save above 2 and 3 data to the USB Memory The saved data is shown on the PC prepared as following picture T Removable Disk D ality 72KB IPP File The above example picture shows the two kinds of version files into the USB Memory File Folder Name Version WSDV100
20. this alarm occurs when position references are input and the number of position errors exceeds the value set for the excessive position error alarm level Pn520 2 Motor load Position Error During fully closed loop control the position error Overton beet mind nd eee oe rac MECHATROLINK II m 1 Synchronization error during MECHATROLINK II r Heli Synchronization Communications with the SERVOPACK Available The alarm that may occur in a SERVOPACK with Fully closed Module Gr2 Available 9 1 Alarm Displays MECHATROLINKAT The setting of the MECHATROLINK I transmission cidit Setting Error cycle is out of thc allowable range MECHATROLINK II A synchronization error occurs during MECHA Availabl 0404 Synchronization Error TROLINK II communications Mene 25452 MECHATROLINK H A synchronization failure occurs in MECHA G2 Ai able Synchronization Failed TROLINK II communications MECHATROLINK 1I A communications error occurs continuously during Communications Error Gr2 Available Reception error MECHATROLINK II communications a 1 MECHATROLINK II Transmission Cycle Error The transmission cycle fluctuates during MECHA Gr2 Availabl Synchronization interval TROLINK II communications valable a Feedback Option Module Detection Failure Detection of the Feedback Option Module failed EN DRV Alarm 2 A 3 SERVOPACK WDT error SERVOPACK DRV alarm 0 occurs Available Safety Function Signal Input
21. 10 11 12 or 15 ensure that the analog input levels are set to the correct levels Ensure H3 02 and H3 10 are set to the right levels Ensure the analog input is set to the correct value R Select the proper V f pattem E1 03 Large V f setting value at low speeds triggers Use parameters E1 04 through E1 10 to set the V f pattem in relation to the load overexcitation characteristics The maximum output frequency and the base frequency reference are not set properly in Set the proper values for the maximum output frequency and base frequency E1 04 E1 06 relationship to each other Enable Hunting Prevention by setting n1 01 1 Hunting Prevention is disabled V f control only Co a Increase the speed feedback detection control gain and time constant n2 01 258 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 9 Troubleshooting without Fault Display m Load ind bibat eae i piesa E ADPNCOPORS B ee relereice detection for closing and d releasing the ue At start it the rriv after Aue enough torque At stop Close the brake when the motor sti pue torque Make the following setting changes to hold the Set the frequency detection inactive during baseblock L4 07 0 The timing for the brake to close and release is not set e Multi function contact output terminal will switch on when the output re than the frequency detection level set in L4 01 Set L4 01 be
22. 2 or 3 USES iee LED Operator Display DABAT Set b5 15 to another value besides 0 Set the stopping method to coast to stop or ramp to stop b1 03 0 or 1 fl T 250 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 6 Operator Programming Errors f Data Setting Error The following setting errors have occurred where E1 04 is greater than ids pots E1 06 is greater than or equal to E1 07 is greater than or equal to E1 09 Or the following setting errors have occurred E3 04 is greater than or ut ie E3 06 is greater than or equal to E3 07 is greater than or equal to E3 09 Possible Solutions BORNE ae de I ee ee RR E Ed for motor 2 En nel FG CEROENAaAmeO SO c E d Correct the parameter settings Upper and lower limits between C6 02 and C6 05 contradict each other MES TY SEER z VULT EEGEZEnOPNZNG I5 ES pd ee wa ae ELA See ants 56 TM FAN os prr A SAND lt oPE Pulse Monitor Selection Error Incorrect setting of monitor selection for Pulse Train H6 06 Possible Solutions Scaling for the Pulse Train monitor is set to 0 H6 07 0 while H6 06 is Change scaling for thc Pulse Train monitor or set H6 06 to 101 102 105 not set to 101 102 105 or 116 or 116 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 251 e Troubleshooting 6 7 Auto Tuning Fault Detection Detection
23. Dynamic Braking Resistor rr m Dynamic Braking Transistor SEr SEr Too Many Speed Search Restarts eC 9C Overeument 2 23 4 ui Uvi Undervoltage 24i uc od Uv3 Soft Charge Circuit Faut 242 r oF RCC oFAGO Option Card Fault port A 236 oF RUY oFAO4 Option Card Fault Port A 236 oF BAG o oFA30 tolOption Card Fault Port A oH oH Heatsink Overheat Xl Displayed asi FF CU when occurring at drive power up When one of the faults occurs after successfully starting the drive the display will show CPF i B Minor Faults and Alarms When a minor fault or alarm occurs the ALM LED flashes and the text display shows an alarm code A fault has occurred if the text remains lit and does not flash Refer to Alarm Detection on page 243 An overvoltage situation for example can trigger both faults and minor faults It is therefore important to note whether the LEDs remain lit or if the LEDs flash Table 6 6 Minor Fault and Alarm Displays Cz c OT Ww Tt AB me Fault Oiutniut Rae eh Sidon GR mde exi LS AEEA i psv bb bb Drive Bascblock y Nooupt 26 em gt ZE CE MEMOBUSMedbwCommmicanEmr YES 26 d u dEv Excessive Speed Deviation for Simple V fwithPG Yes 244 da
24. External operator is not properly connected to Replace the cable if damaged the drive Tum off the drive input power and disconnect the operator Next reconnect the operator and turn the drive input power back on i ES MIL Ej T rator D f V Miu NE s i pos 4 Rem Possible Solution Adjust the gain by using the pulse train input parameters H6 02 through H6 05 ncrease me settings for C5 01 Speed Control Proportional Gain 1 and reduce C5 02 Speed Contro Integral Tirne 1 Incorrect PG pulse settings Eas Pee Pulse Train Input Scaling 160 the number of pulses during maximum motor Inappropriate parameter settings Checkthe setting for p Pes OA iis F gt o ter setting OB ABEDIBBSE ee peed Simple Overshoot or undershoot is occurring Mim Voltage in the DC bus has exceeded the overvoltage detection level For 200 V class approximately 410 V For 400 V class approximately 820 V 740 V when E1 01 is Jess than 400 Increase the deceleration time C1 02 04 06 08 Install a braking resistor or a dynamic braking resistor unit Check if sudden drive acceleration triggers an overvoltage alarm ncrease the acceleration time Use longer S curve acceleration and deceleration times Fast acceleration time causes the motor to overshoot the speed reference The braking torque was too high caus
25. Frequency reference is assigned to an option card b1 01 3 that is not connected to the drivc The Run command is assigned to an option card b1 02 3 that is not connected to the drive Frequency reference is assigned to the pulse train input b1 01 4 but terminal RP is not set for pulse train input H6 01 gt 0 DINE SO LED Operator Display i LED Operator Dis A contradictory setting is assigned to multi function analog inputs H3 02 through to H3 10 and PID functions conflict Change the settings to H3 02 and H3 10 so that functions no longer H3 02 and H3 10 are set to the same valuc conflict Note Both 0 primary analog frequency reference and F Not Used can be set to H3 02 and H3 10 at the same time The following simultaneous contradictory settings H3 02 or H3 10 B PID Feedback H6 01 Pulse Train In 1 PID Feedback The following simultaneous contradictory settings H3 02 or H3 10 C PID Target Value H6 01 2 pulse train input sets the PID target value wing simultaneous contradictory settings H3 02 or H3 10 C Target Value b5 18 1 enables b5 19 as the target PID value The following simultaneous contradictory settings H6 01 or H3 10 C PID Target Value b5 18 1 enables b5 19 as the target PID value Disable one of the PID selections Possible Solutions Arte ib aoa D on Dosis Leib motor control method that is o
26. Pn002 3 must be compatible with the setting of Pn002 3 of Pn002 3 For a 4 byte parameter bank no Change the number of bytes for registration in two consecutive bank members to an appropriate bytes for two bank members value The total amount of bank data Reduce the total amount of bank C ltr Check the capacities to see if th The SERVOPACK and servomo satisfy the following condition is Select the proper combination of tor plies do not match each Servomotor capacity SERVOPACK and servomotor 1 4 lt SERVOPACK capacity 4 Capacities An encoder fault occurred Pienso peapa and seo if Replace the servomotor encoder The SERVOPACK may be faulty An unsupported seria converter unit encoder or external encoder Check the product specifications is connected to the SERVO and select the correct model PACK After executing the utility func Select the correct combination of units tion to turn ON tbe power to the Turn the SERVOPACK power sup motor the servo ON command ply OFF and then ON again or exe SV ON was sent from the host cute a software reset controller encoder resolution lt Pn20E 6x10 Pn210 B Troubleshooting 9 7 9 Troubleshooting 9 1 2 Troubleshooting of Alarms A 100 Overcurrent or Heat Sink Overheated An overcurrent flowed through the IGBT or heat sink of SERVO PACK overheated Incorrect wiri
27. Pn600 is not set to er een connected and check the regenera Set Pn600 to 0 The extemal regenerative resis tance is too high Check the regenerative resistance s Troubleshooting though the regenerative resistor is A disconnected tive resistor capacity The SERVOPACK may be faulty 9 9 9 Troubleshooting 9 1 2 Troubleshooting of Alarms 9 10 A 400 Overvoltage Detected in the SER VOPACK main circuit power supply section wu For 100 VAC SERVOPACKs The AC power supply voltage exceeded 145 V For 200 VAC SERVOPACKs The AC power supply voltage exceeded 290 V For 400 VAC SERVOPACKs The AC power supply voltage exceeded 580 V For 200 VAC SERVOPACKs with DC power supply input The DC power supply voltage exceeded 410 V For 400 VAC SERVOPACKs The DC power supply voltage exceeded 820 V The power supply is unstable or was influenced by a lightning surge Acceleration deceleration was executed under the following conditions The AC power supply voltage of 100 VAC SERVOPACK was in the range between 115 V and 135 V The AC power supply voltage of 200 VAC SERVOPACK was in the range between 230 V and 270 V The AC power supply voltage of 400 VAC SERVOPACK was in the range between 480 V and 560 V The external regenerative resis tance is too high for the actual operating conditions Set AC DC power supply voltage within the specified range
28. Possible Solution Check for faulty wiring Correct the wiring Check for loose wiring and short circuits Repair as needed Check the various options available to minimize the effects of noise Counteract noise in control circuit main circuit and ground wiring Ensure that other equipment such as switches or relays do not cause noise and use surge suppressors uired De cables recommended by Yaskawa or another type of shielded line Ground the shield on the controller side or on the drive input power side Separate all wiring for communications devices from drive input power lines Install an EMC noise filter to the input side ofthe drive input The option card is damaged The option card is not properly connected to The connector pins on the option card are not properly lined up id the connector pins on the drive the drive Reinstall the option T i e LRD Operator Display eer ter ae EH E Pte ce e Control data was not received for the CE detection time set to H5 09 o Possible Solution Check for faulty wiring Used communications wiring ora short Correct the wiring Check for loose wiring and short circuits Repai Check the various options available to minimize the effects of noise Counteract noise in control circuit main circuit and ground wiring Use Yaskawa recommended cables or another type of shielded line Ground the shield on the control
29. Remove the cause of the external fault soore e memng when an external fault Remove the external fault input from the PLC External fault at multi function input terminal S1 tfe omo Ree input terminal S2 External fault at multi function input terminal S2 EFF om Eee input terminal S3 External fault at multi function input terminal S3 F rz pema input terminal S4 External fault at multi function input terminal S4 External fault at multi function input terminal S5 External fault input terminal S6 EFG External fault at multi function input terminal S6 F oon o ema aut input terminal S External fault at multi function input terminal S7 244 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 5 Alarm Detection Minor Fault Cause Possible Solutions Output H2 00 10 An external device has tripped an alarm Remove the cause of the external fault and reset the multi function input value ves function Ensure the signal lines have been connected properly to the terminals assigned for Wiring is incorrect external fault detection H1 LIL 20 to 2F YES Reconnect the signal line Mk caen contact inputs are set Check if the unused terminals have been set for H1 DJL 20 to 2F External Fault Change the terminal settings cv Minor Fault Names NEC Tao ler lay i MM
30. Replace the external encoder Tum the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK Turn the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK The current detection circuit for phase U is faulty The current detection circuit for phase V is faulty Turn the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK The detection circuit for the cur rent is faulty The servomotor main circuit Check for disconnection of the ser cable is disconnected vomotor main circuit cable Correct the servomotor wiring SERVOPACK MECHA TROLINK communication sec tion fault 2 The alarm that may occur in a SERVOPACK with Fully closed Module 9 1 Alarm Displays Turn the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK A bFO System Alarm 0 ies Turn the power supply OFF and A bF2 then ON again If the alarm still System Alarm 2 A SERVOPACE fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK Tum the power supply OFF and ADF then ON again If the alarm still System Alarm 3 A SERVOFACK Sale occured occurs the SERVOPACK may be faulty Replace the SERVOPACK Turn the power supply OFF and A bF4 then ON again If the a
31. Timing Error The safety function signal input timing is faulty ae Command Execution A timeout error occurred when using a MECHA Available Timeout TROLINK command Main Circuit Cable Open With the main power supply ON voltage was low for Available Phase more than 1 second in phase R S or T Digital Operator Transmission Error 1 Digital Operator Transmission Error 2 Mwanemr Nsmdgewesma 7 The alarm that may occur in a SERVOPACK with Fully closed Module Digital operator JUSP OP05A 1 E fails to communi cate with the SERVOPACK e g CPU error T a Troubleshooting 9 6 9 Troubleshooting 9 1 2 Troubleshooting of Alarms 9 1 2 Troubleshooting of Alarms If an error occurs in servo drives an alarm display such as A DDOO and CPFOO will appear on the panel dis play Refer to the following table to identify the cause of an alarm and the action to be taken Contact your Yaskawa representative if the problem cannot be solved by the described corrective action u E i wm so Set the power supply voltage within red puts ZA ly voltage sud Measure the power supply voltage the specified range and set Fn005 y dropp to initialize the parameter Led aaa supply went Si set Check the circumstances when the Set Fn005 to initialize the parameter ting ners a param power supply went OFF and then set the parameter again The SERVOPACK may be faulty The number
32. be used so frequently alarm A 730 or A 731 was reported bes Lee i ip did Check the regenerative load ratio Check the operating condition PACK regenerative en Un00A to see how many times the including overload and reconsider i capacity ergy regenerative resistor has been used the regenerative resistor value The SERVOPACK regenerative aso eae eee Vic sri S resistance is too small repenerative resistor has been used SERWOPACK minimum allowable ge resistance value A heavy load was applied while Check to see if the operating condi Reduce the load applied to the ser the servomotor was stopped or tions are outside servo drive specifi vomotor or increase the operating running at a low speed cations speed AES Take countermeasures for noise Improve the wiring or installation such as correct wiring of the FG Use an FG wire size equivalent to the SERVOPACK main circuit wire size Turn the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK Malfunction caused by noise 9 1 Alarm Displays 4 300 Regeneration Error A320 Regenerative Overload A 330 Main Circuit Power Supply Wiring Error Detected when the power to the main circuit is turned ON old 2 Regencrative Pesos capacity Pn600 is set to a value other than 0 for a SGDV R70 R90 1R6 2R1 or 2R8 SERVO PACK and an external regen erative resi
33. bit 13 N SOT 70 of the status field to check if the motor bas pulled out If the motor was operated in the direction in which it cannot be pulled out an alarm wil generate again Turn off the motor excitation using the servo off command SV OFF 32h and move the motor in the direction in which it can be pulled out manually If an electromagnetic brake is equipped release the electromagnetic brake beforehand using the brake release request command BRK OFF Troubleshooting and remedial actions 3 Alarm code list Number of blinks E The executed command is not implemented e The received command does not match the communication phase e The execution condition of the command is not satisfied Invalid command data due to one of the following reasons Outside the setting range Outside the allowable range Not supported Overheat The driver s heat sink temperature reached sa approx 85 C 185 F MECHATROLINK Green Red solid communication error solid Red Acumulative load exceeding the maximum torque Two blinks COh Overload has been applied for the duration over the overload detection time The motor speed exceeded 5500 r min Green solid 3 rr Red phase 2 3 or Overvoltage The DC voltage of the main circuit is too high 3 blinks OFF i pall ei supply cut off The main power was cut off Red The deviation between the command position and 4 blinks Excessive position deviation
34. d JFt aWFL DriveWorksEZ Fault diit dWAL DriveWorksEZ Program Error Output Fault output by DriveWorksEZ Correct whatever caused the fault A S29 EP NT I YE yo ae A VENT SMa TE SE Possible Solution An external fault was received from the PLC Remove the cause of the external fault with other than F6 03 3 alarm only the Remove the external fault input from the PLC drive continued to run after external fault inp e bl eck the PLC i PEG Gun ING NT peed Deviation for Simple V f with PG Load is too heavy Reduce the load Parameters are not set appropriately Check the settings of param Possible Solution d cn ee i EY i EFG EEJ Option Card External Fault An external fault condition is present Problem with the PLC program Ch and correct problems CEEEDOpBGAGEDISDIS iu oc fl See IT z EF3 emn m Eatme Ces ms emtea O E sw eanes UU ei um Ee eS U Peace device has tripped an alarm Remove the cause of the external fault and reset the fault 234 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 4 Fault Detection Ensure the signal lines have been connected properly to the terminals assigned for external fault detection H1 O0 20 to 2F Reconnect the signal line Check if the unused terminals set for H1 OO 20 to 2F External Fault Change the terminal settings ar sy FaultNam
35. disconnected Reconnect the pulse input RP CCC YES Matte eget ase ee ap Ls eH TAF E EE pur Min 5 m BEEN Motor Sum during Run A command to switch motors was entered during Tio Pot Cause Possible Solutions a M motor switch command was entered Change th the operation pattern so that the motor switch command is entered while the drive m during mn stopped mm mmn ns aes Communication Test Mode Error Minor Fault Cause Possible Solutions Output az ode 10 programmed to 67H Stop the drive and run the test again No output een OF Fault Names Unde Cus Detection 1 Drive output current or torque in OLV less than L6 02 for longer than L6 03 time Minor Favlt Possible Solutions Output H2 00 10 inappropriate parameter settings Check parameters L6 02 and L6 03 YASKAWA ELECTRIC SIEP C710608 16A YASKAWA AC Drive V1000 Technical Manual 247 TON i Troubleshooting 6 5 Alarm Detection u Undertorque Detection 2 ids Drive output current or torque in OLV less than L6 05 for longer than L6 06 time Minor Fault Cause Possible Solutions Output 2 00 10 Check parameters L6 05 and L6 06 Bs lod as has dropped or decreased Check for broken S pum in the transmission system YES i LED Operator Display jS us sic RASA Minor Fault Names o t n cca Siam Mica Rea Undervoltage One of the following conditions was true when the drive
36. drive and motor is incorrect Connect drive output terminals U T1 V T2 and W T3 in the right order to the corresponding motor terminals U V and W Change the setting of parameter b1 14 Typically forward is designated as being counterclockwise when looking from the motor shaft refer to the figure below The forward direction for the motor is setup incorrectly 772 1 Forward Rotating Motor looking down the motor sbaft 2 Motor Shaft The motor is running at almost O Hz and the Speed n s ren aus that Search i Search estimated the speed to be in the opposite PEER de AME 14 0 so that Speed Search is performed only in the direction Note Check the motor specifications for the forward and reverse directions The motor specifications wil vary depending on the manufacturer of the motor B Motor Rotates in One Direction Only Fh EERS ea hae poaa A Soan 3 MEAE n Check parameter b1 e drive prohibits reverse rotation Set the drive to allow the motor to rotate in reverse b1 04 0 A Reverse run signal has not been entered although 3 Make sure that one of the input terminals S3 to S7 used for the 3 Wire sequence has been Wire sequence is selected set for reverse VICCERCOGCUUNUETSURGSSBSONHNE Sa GUT ee If the load is too heavy for the motor the motor will overheat as it exceeds its rated torque value for an extended period of time Keep in mind that the motor als
37. fan U4 04 The intemal cooling fan has reached its If U4 04 exceeds 90 7 x replace the cooling fan Refer to Cooling Fan Replacement on page 269 performance life or has malfunctioned After replacing fan reset the fan maintenance time 04 03 0 to GE input terminal A1 or A2 exceeded the alarm detection level i function analog input H3 02 or H3 10 be set to E Possible Solution Check the size of the load the accel decel times and the cycle times Decrease the load Increase the acceleration and deceleration times C1 01 through b Adjust thc preset V f pattern E1 04 through E1 10 This will mainly involve reducing E1 08 and E1 10 Be careful not to lower E1 08 and E1 10 excessively as this reduces load tolerance at low speeds Check the motor rated current Enter the motor rated current as indicated on the motor nameplate E2 01 Ensure the motor cooling system is operating normally Repair or rcp pee mg molor cooling sy 8 stem _ The motor overheat signal to analog input terminal A1 or A2 exceeded the fault detection level Detection requires that multi function analog input H3 02 or H3 10 E Check the size of the load the accel decel times and the cycle times Decrease the load Increase the acceleration and deceleration times C1 01 throug Adjust the preset V f pattem E1 04 a te E1 10 This will mainly involve bend E1 08 and E1 10 Be careful not to lower
38. for latch related Send a command after command 9 commands is not satis sending condition is satisfied Command Inter fied ference A 95E Command Subcommand sending Pre z Send a command after command Waming 5 condition is not satis i nates nis Sub d fied sending condition is satisfied Disable A 95F Command Warning 6 Dae noes command Do not use an undefined command Undefined Com mand Correct the MECHATROLINK II Confirm the wiring bia Or connect a terminal to the terminal station Take measures against noise Check MH i i the MECHATROLINK II communi ME ROLINK data reception error s e cations cable and FG wiring and take Communications occurred due to noise Confirm the installation conditions easures such as adding ferrite core Warning interference on the MECHATROLINK I commu nications cable A SERVOPACK fault occurred A fault occurred in the SERVOPACK Replace the SERVOPACK A 971 Undervoltage A 9A0 Overtravel Overtravel status is detected For 100 VAC SE 9 2 Waming Displays cont d R VOPACKs The AC power supply voltage is 60 V or less For 200 VAC SER VOPACKs The AC power supply Measure the power supply voltage Set the power supply voltage within voltage is 140 V or the specified range less For 400 VAC SER VOPACKs The AC power supply voltage is 280 V or less The power supply volt ape dropped during Measure t
39. m eimi ceca The main circuit power supply is Check the voltage between main ne ETE ro Nd Wiring of O signal connector CNI Check if the connector CN is prop Correct the connector CN1 connec faulty or disconn erly inserted and connected i Servomolpr or encoder wiring dis Check the wiring Correct the wiring Run under no load and check the Reduce load or replace with larger cay eae Settings for the input signal selec Ch a eck the settings for parameters Correct the settings for parameter tions FnS0A Pn 0B and Pn 11 i5 pasoa PnSOB and Pn511 Pn50A PnSOB and Pn511 Servomotor Does Encoder type differs from parame Check the settings for parameter Set parameter Pn002 2 to the Not Start ter setting Pn002 2 Pn0022 encoder type being used SV_ON command is not sent cece Pis id sent from the Send the SV_ON command B Check the command sent from the Send the command in the correct at ONERE SERVORACI open The forward run prohibited P OT z and reverse run prohibited N OT Check P OT or N OT input signal urn P OT or N OT input signal input signals are tumed OFF Set the HWBBI and HWBB2 input signal to ON The safety input signal HWBB1 or Check the HWBBI and HWBB2 When not using the safety function HWBB2 remains OFF mount the safety function jumper connector provided as an acces sory on the CN8 A SERVOPACK fault occurred Replace the SERVOPACK Servamator C
40. of times that parame Replace the SERVOPACK Check to see if the parameters were ters were Written exceeded the frequently changed through the host A 020 mi Reconsider the method of writing limit troller Parameter Checksum acis parameters Error 1 Malfunction caused by noise Tum the power supply ON and OFF The parameter datai from the AC power supply or several times If the alarm still Take countermeasures against the SERVOPACK is grounding line static electricity occurs there may be noise interfer noise incorrect noise etc ence Gas water drops or cutting oil entered the SERVOPACK and T Tbe SERVOPACK may be faulty caused failure of the intemal heck the installation conditions Replace the SERVOPACK components Tum the power supply ON and OFF several times If the alarm still The SERVOPACK may be faulty A SERVOPACK fault occurred occurs the SERVOPACK may be Replace the SERVOPACK faulty A021 The software version of SERVO Check Fn012 to see ifthe set soft Weis the Parameter of another Parameter Format PACK that caused the alarmis ware version agrees with that of the the same software version Error 1 older brad that of the written SERVOPACK If not an alarm may Then turn the power OFF and then The parameter data in Param ON again the SERVOPACK is occur The power supply voltage sud The SERVOPACK may be faulty A 022 de
41. s Pn102 Stopping Incorrect speed loop integral time bine 0l Lt integral time Correct the speed loop integral time constant Pn101 F ARRE constant Pn101 actory setting Ti 20 0 ms Incorrect moment of inertia ratio Check the moment of inertia ratio Correct the moment of inertia ratio data Pn103 Pn103 Pn103 The encoder cable must be tinned anncaled copper shielded twisted pair or screened unshielded twisted pair cable with a core of 0 12 mm min Noise interference due to length of The encoder cable length must be ure ne Che he caendo able easta no more tn 30 Noise interference due to damaged Check if the encoder cable is bent or Replace the encoder cable and cor encoder cable if its sheath is damaged rect the encoder cable layout Excessive noise interference at the uice bre sd eios Change the encoder cable layout so Absolute Encoder encoder cable high el e that no surge is applied current e ATN Position vis FG potential varies because of Ground machines correctly and eatae hei influence of machines such as weld iade machines ate correctly prevent diversion to the FG on the e posson ers at the servornotor gro encoder side saved in the host controller when SERVOPACK puls Check if there is noise interference z gcc pulse counting error Take measures against noise in the the power was ice i on the I O signal line from the iss turned OFF is due to noise interference j encoder wi
42. set to 1 reverse run ign prohibited the drive will not accept a reverse run b1 04 0 comman to allow reverse run operation m Motor Operates at a Higher 12 a Yo Sposa Control Accuracy Above Base Speed in Open Loop Vector Motor Control etho The maximum output ofthe determined by its input voltage Vector control uses voltage to control the currents within the motor If the vootor control yom eena ape exceeds he ive output voltage ility the speed contro accuracy will decine Decanie the motor currents e Troubleshooting 3 gasra Peripheral Devices Affected by D IPSUM SUE Change thc Carrier Frequency Selection C6 02 to lower the carrier frequency This will help to reduce the amount of transistor switching noise VERE Install an Input Noise Filter at the input power terminals frequency interference may be generated by Install an Output Noise Filter at the motor terminals drive output PWM waveform Use conduit Metal can shield electrical noise Ground the drive and motor Separate main circuit wiring from control wiring YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 261 6 9 Troubleshooting without Fault Display The of the drive is a series UHR eau Change toa ony foul iaierropter with a higher kakage current detection level resign as a sensitivity current of 200 mA or greater per Unit with an operating
43. speed and The position reference speed is operate the SERVOPACK too high A d00 of the position reference using a Position Error MECHATROLINK command or Overt da The position reference accelera Reduce the reference acceleration smooth the acceleration of the posi Position error exceeded tion is too fast and operate the SERVOPACK _ tion reference by selecting the posi the value set in the tion reference filter ACCFIL excessive position error using a MECHATROLINK com alarm level Pn520 mand Setting of the excessive position Check the alarm level Pn520 to error alarm level Pn520 is low sce if it is set to an appropriate Set the Pn520 to proper value against the operating condition value Turn the power supply OFF and then ON again If the alarm stil faulty Replace the SERVOPACK A d01 This alarm occurs ifthe SV ON Position Error positi i pleaded a Morea wr escola j Correct the excessive position error ally MATS at set value of Pn526 while the ser power is OFF alarm level at servo ON Pn526 vomotor power is OFF When the position error remain in the error counter Pn529 limits A d02 the speed if the SV ON com Positi 2 Erro mand is received If Pn529 limits Correct the excessive position etror Ova mol l TB the speed in such a state this alarm level Pn520 Speed Li mitets ea alarm occurs when position refer Or adjust the speed limit le
44. text indicating a specific alarm and ALM indicator LED flashes Xj Remove the cause of an or minor fault to automati ion error e drive detects an operation error The hy e operator displays text tbat indicates the specific error 5 Multi function contact outputs do not operate When the drive detects an operation crror it will not operate the motor until the error has been reset Correct the settings that caused the operation error to reset Tuning errors occur while performing Auto Tuning When the drive detects a tuning error The digital operator displays text indicating the specific error Multi function contact outputs do not operate c Motor coasts to stop e Remove the cause of the error and repez Alarm and Error Displays B Faults When the drive detects a fault the ALM indicator LEDs remain lit without flashing If the LEDs flash the drive has detected a minor fault or alarm Refer to Minor Faults and Alarms on page 230 for more information Conditions such as overvoltage or external faults can trip both faults and minor faults therefore it is important to note whether the LEDs remain lit or if the LEDs flash ee 6 5 Fault Displays _ B Troubleshooting ce MEMOBUS Modbus E CE Communication Error F CF jCotmiFaut O 232 eee Current Offset Fault CPP ic CPF13 CPF13 Watchdog Circuit Exception CPP id CPFI4 Control Circuit Fault 233 EPF ib CPFi6
45. the control power supply is Cycle power to the drive Check if the fault reoccurs damaged Replace the drive if the fault coptinucs to occur YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 241 e Troubleshooting 6 4 Fault Detection Cycle power to the drive Check if the fault reoccurs Internal circuitry is Pesci Rep lace the drive if the AE continues to occur Undervoltag e 23 Inrush Pxvenim Circuit ado The inrush prevention circuit has failed Cycle power to the drive Check if the fault reoccurs The contactor on the inrush prevention circuit Replace the drive if the fault continues to occur is damaged Check monitor U4 06 for the performance life of the inrush prevention circuit Replace the drive if U4 06 exceeds 90 242 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 5 Alarm Detection Alarms are drive rotet functions that d do not perse the fault contact The drive will retum to o original status when the cause of the alarm has been removed During an alarm condition the Digital Operator display flashes and an alarm output is generated at the multi function Sumut H2 01 to H2 03 if programmed Investigate the cause of the alarm and Refer to Alarm Codes Causes and Possible Solutions on page 243 for the appropriate action Alarm Codes Causes and Possible Solutions Table 6
46. time of 0 1 s or more WM so there is a certain amount of leakage one that incorporates high frequency corrective actions Change the Camer Frequency Selection C6 02 to lower the carrier frequency Note Leakage current increases in proportion to cable length pulses current This may cause the ground fault interrupter to operate and cut off the drive input power 262 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual Excerpted V Series AC Servo Drives USER S MANUAL Design and Maintenance 9 Troubleshooting 9 1 Alarm Displays sceler hh hh hh 9 2 94 1 Listof Alarms Sate eine cca Rr e rrr e sea ry S ee nera ens nes 9 2 9 1 2 Troubleshooting of Alarms 0c cece renee t eee r ere e eect esene tenes 9 6 9 2 Waming Displays sse III 9 21 9 2 1 List of Wamings 0 ccc cece ecw cree ccc hehehe 9 21 9 2 2 Troubleshooting of Warnings cece cece nn 9 22 9 3 Troubleshooting Malfunction Based on Operation and Conditions of the Servomotor eese 9 26 B Troubleshooting 9 Troubleshooting ea a 9 1 1 List of Alarms 9 1 9 1 1 Alarm Displays The following sections describe troubleshooting in response to alarm displays The alarm name alarm meaning alarm stopping method and alarm reset capability are listed in order of the alarm numbers in 9 1 1 List of Alarms The causes of alarms and troubleshooting m
47. too low L7 01 through L7 04 eperating in Open Loop Vector Reset the torque limit to its default value 200 penta time has been set100 Check if the acceleration time parameters have been set too long C1 01 03 05 07 Motor characteristics and drive parameter settings are Set the correct V f pattern so that it matches the characteristics of the motor being used romperam with one another in Check E1 03 V f Pattern Selection f Contro The right combination of motor characteristics have not been set Execute Rotational Auto Tuning in Open Loop Vector Control Check ifn Wing riae Et ytre A2 is set for freq H3 02 or H3 t Check if multi function analog input or A2 is set for frequency gu or H3 10 1 If so niae frequency reference the frequency reference will be 0 if there is no voltage current input provided Ensure H3 02 and H3 10 are set to the proper values Ensure the analog input value is set to the right value U1 13 U1 14 The Stali Prevention leve during Check the Stall Prevention level during acceleration L3 02 acceleration and deceleration set If L3 02 is set too low acceleration will take a fair amount of time too low Increase L3 02 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 257 le Troubleshooting 6 9 Troubleshooting without Fault Display xg Du Cadet 2 cs 2 ANER MO qc wegPesslble Solutions 77 E na Check the Stall Prevention l
48. was somme and a run command was entered DC bus voltage dropped below the level specified in L2 05 Contactor to suppress inrush current in the drive was open Low voltage in the control drive input power This alarm outputs only if L2 01 is not 0 and DC bus voltage is under L2 05 Minor Fault Cause Possible Solutions Output H2 DLI 10 Ensure the terminals have been properly tightened Apply the tightening torque coon in this manual to fasten the terminals Refer to ire Gauges and Tightening Torque on page 51 Check the voltage There is a problem with the drive input Lower the voltage of the drive input power so that it is within the limits listed in the YES power voltage necifications ee HEAD Check the maintenance time for the capacitors U4 05 ves place the drive if U4 05 exceeds 90 Mis The drive input power transformer is not Check for a tripped alarm when the magnetic contactor line breaker and leakage large enough and voltage drops when the breaker arc turned on YES power is switched on Check the capaci i power transformer Air inside the drive is too hot Check the temperature inside the drive YES Ther CHARGE indicator light is broken or Replace the drive 248 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 6 Operator Programming Errors j Operator Programming Errors aad
49. 2 Parameter Setting Range Error 249 oPEUj oPEO3 Multi Function Input Setting Error 249 oPEUS oPEOS Run Command Selection Error 250 nn Multi Function Analog Input OPEO selection Error oPEOS oPEO9 PID Control Selection Error 250 oPE iG oPEI0 V fDataSetngEror 251 oPE i oPEll Carrier Frequency Setting Error 251 oPE i3 oPE13 Pulse Train Monitor Selection Error 257 E ama Diayi d g a e ces SEDI ir ais DE RC Ee Eee id E 04 Er 04 Line to Line Resistance Error Ende Enaz Motor ron Core Saturation c U5 Eros No LoadCurrentEnor 253 c DB Eros Rated Stip Eror 255 End Ends Rated Current Sewing Alarm 252 E 69 Eros Acceleration Eror 253 Er f Er 01 Motor Data Emor 252 r 7 Eri Moor Speed Emor 253 Er c ErO2 Alm 0 252 f r 18 Er12 Curent Detection Eror 253 c 0j Eros srOPbuwnlopa 252 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 231 a Troubleshooting 6 4 Fault Detection Fault Displays Causes and Possible Solutions Table 6 9 Detailed Fault Displays ang Possible Solutions TU establishing initial communication the connection was lost Only detected when the run command frequency reference is assigned to an opti
50. 35 Allow for the specified space and ensure that there is sufficient circulation around the control panel Check for dust or foreign materials clogging cooling fan Clear debris caught in the fan that restricts air circulation TEENS menie Minor Fault Sape H2 LILJ 10 An external device triggered and overheat Search for the device that tripped the overheat warning YES warning in the drive Solving th ear the warning URTUAEED Operation DEBES GRE 1 leat CEP te Sino Raul N OEC TUE d i AY erent ears i Pen COO dates Motor Overheat oH The motor overheat signal entered to a multi function analog input terminal exceeded the alarm level 3 02 or H3 10 E SSTEEDOP Minor Fault Possible Solutions Output 82 00 aed thermostat wiring is fault PTC Repair the PTC input wiring There is a fault on the machine side e g Check the status of the machine the machine is locked Remove the cause of the fault Check the load size accel decel times and cycle times Decrease the load Increase accel and decel times C1 01 to C1 08 Adjust the preset V fpattern E1 04 through E1 10 This will mainly involve reducing Motor has overheated E1 08 and E1 10 Note Do not lower El 08 and E1 10 excessively because this dosi reduces load tolerance at low speeds Check the motor rated current Enter motor rated current on motor nameplate E2 01 motor cooling system is operating normally place the mo
51. 8 1 008 WSDV1008 IPP 1 008 Caution The example picture shows WSDV1008 and WSDV1008 IPP but the IPP extension may not be indicated if the check box Hide extensions for known file types was checked on the PC folder option setting Remove the check from the check box and mouse click OK as following picture 1 3 m Options Qo Do not show hidden fil s and folders oon A Sbovshiddendies andJobders D Hide extensions for Known file i os n Launch folder windows i ina de process v Remember each folder s view settings C Restore previous felder windows at logon C Show Control Panel in My Computer V Show encrypted or compressed NTFS files in color v Show pop up description for folder and desktop items o Use simple file sharing Recommended 2 Press the TENSION CONTROL OFF to turn OFF press the Key to turn OFF the servo of the reel L and R rie vinding EM 3 Install the USB Memory to the internal USB Connector 1 USB Adaptor installed WSD K2 E Caution Be sure to perform after confirming following cautions e 2 Procedures 1 Open the Menu gt Version and confirm the current version Screen Ver OOO The version of the example shown in the following picture is 1 004 Explain how to upgrade the version from 1 004 to 1 008 from here as example Close the screen by the key after confirmation fe p No ag n mm lt 3 Pu TEES
52. Clock Fault J 233 CPR GT CPF17 Timing Faut 233 Drive specification mismatch during CPFOG CPFO6 Terminal Board or Control Board placement EPD Fa EPFO cpro7 Tesi Board Communication gt YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 229 CPF iB CPFig Control Circuit Faut 233 EPF 9 CPFI9 Control Circuit Faut 233 6 3 Drive Alarms Faults and Errors g oe EPF CPF23 PWM Feedback Data Fault 234 oL3 Overtorque Detection 1 238 ORBITA A dH d aratar rE REED y TERISASTE GINA RR wore A NES y l ie z Spl ie xci Page gj oHi oft Heatsink Overheat 237 CPF200qRLASH Memory Fault 234 oH3 oH3 Motor Overheat 1 PTC input 237 i oH eH4 Motor Overheat2 PTC inputy 277 CPF oR oL2 238 CPFOw CPF24 Drive Capacity Signal Fault Overtorque Detection 2 Puno d NE Mechanical Weakening Detection 1 238 Drive WorksEZ Program Error oi High Slip Braking oL 239 awal oF opr penser Connection Fai 239 Overspeed for Simple V f with PG EFO EFo Option Card Extemal Faut 244 ou ov Overvoltage 259 PP PF mpuPheseLlos 240 EF ho EF m E Fault input terminal S to FbH FH Excessive PID Feedback 235 GF GF GroundFautt 235 Poo Pao PG Disconnect for Simple V f with PG rH H
53. E1 08 and E1 10 excessively because this reduces load tolerance at Check the motor rated current Enter the motor rated current as indicated on the motor nameplate E2 01 Ensure the motor cooling system is operating normally Repair or lace the motor coolin Sys a eee a The electrothermal sensor tripped overload protection Cycle times are too short during acceleration crease the acceleration and deceleration times C1 01 through C1 08 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 237 e Troubleshooting 3 6 4 Fault Detection Drive overloaded at low speeds Overload may occur at low speeds when using a general purpose motor even if operating within the rated current limitation Although a special type of motor is being used the motor protection selection is set for a p purpose motor L1 01 1 Adjust the user set V f patterns E1 04 through E1 10 Parameters E1 08 and E1 10 may need to Voltage is too high for the V fcharacteristics be reduced If E1 08 and E1 10 arc set too hig little load tolerance at low speed The wrong motor rated current is set to Check the motor rated current E2 01 Enter the value written on the motor name arameter E2 01 e maximum frequency for the drive input Check the rated frequency indicated on the motor nameplate power is set too low Enter the rated frequency to El 06 Bas
54. Fault YASKAWA ELECTRIC SIEP C710608 15A YASKAWA AC Drive V1000 Technical Manual 233 D Troubleshooting 6 4 Fault Detection FLASH memory error ROM error Watchdog circuit exception self diagnostic error Clock error Possible Solution Hardware is damaged Replace the driv GU VLED Operator Displays 5 25 55 5 bes cunas e I FaultNamec ss 158 pires r Conversion Fault PUE ses Cycle power to the drive Refer to Diagnosing and Resetting Faults on page 254 If the problem continues replace the drive ESI i IEEE FaultName n 2 X T Mee angel s ID GIA Lx NM VVAME 8 x Or Display 5 5 v xs 0m wi PES Hd r PWM Feedback Fault tPFe3 CHE PWM feedback error Possible Solution Hardware is damaged Replace the drive L EET MERI RES E Pu XE mE p Fault EE EE ers F1 10 and F1 11 properi A To s J pee According to the pulse input RP the speed deviation is greater than the setting in F1 10 for longer than the time set to F1 11 Possible Solution Reduce the load U Acceleration and deceleration times are set lra rease the acceleration and deceleration times C1 01 through C1 08 The load is locked up Check the machine gag the motor brake releases pg STE VDCLu 25 E Jay ss SC EH BEAR EE i ED a cate IESU
55. HonsEHE 3 en RE TTNUNN sf Si Chak cas aioe 2 ausa EUR 2 7 5j Ute 4 uit EI Drive reached the slip compensation limit eck yr od recep C3 03 The input voltage for the drive determines the maximum output voltage A drive with an input of 200 Vac can only output a maximum of 200 Vac Open Loop Vector Control sometimes calculates an output voltage reference value that exceeds the maximum drive cutput voltage level resulting in a loss of speed control accuracy Use a motor with a lower voltage rating a vector control motor Increase the input power voltage Motor rated voltage is set too high in Open Loop Vector Control RD the Stall Prevention Level during deceleration L3 04 Ifa braking resistor option has been installed disable Stall Prevention during deceleration Assuming parameter settings are normal and that no overvoltage occurs when there is Insufficient motor torque insufficient torque it is likely that the demand on the motor has exceeded the motor capacity Use a larger motor Check the settings for the torque limit L7 01 through L7 04 Ifthetorque limit is enabled leration might take longer than expected because the drive end ee ien more torque than the limit setting Ensure the torque limit is set to a large enou uc Reaching the torque limit Increase the torque limit setting If multi function analog input terminal A1 or A2 is set to torque limit H3 02 or H3 10 equals
56. N A ii Encoder Output Pulse The encoder output pulse Pn212 is outside the setting Gr N A w Setting Error range or does not satisfy the setting conditions Parameter Combination Combination of some parameters exceeds the setting Gri NA Error range i Semi closed Fully closed A044 i Loop Control Parameter Modena ie oe module and Pn00B 3 N A 1 2 x Setting E n AS ii Parameter Setting Error 2 Bank membez bank data setting is incorrect Gri N A The SERVOPACK and the servomotor capacities do Combination Error til m tch cach otber Grl Available Unsupported Device Alarm The device unsupported was connected N A After executing the utility function to tum ON the aar power to the motor the servo ON command SV_ON Available was sent from the bost controller Overcurrent or Heat Sink An overcurrent flowed through the IGBT or the heat Gr1 N A Overheated sink of the SERVOPACK was overheated g A300 Regeneration Error Regenerative circuit or regenerative resistor is faulty Available Q g Q 9 1 Alarm Displays TN i fia oa Bee Seer i MEA oo SS ts Am Moaq nho ud X 1 Regenerative Overload pee energy exceeds regenerative resistor Available A339 Main Circuit Power Setting of AC input DC input is incorrect flab Fut Supply Wiring Error Power supply wiring is incorrect Available A 400 Overvoltage Main circuit DC voltage is excessively high Gri Available Eres LS 5410 F
57. P C710606 16A YASKAWA AC Drive V1000 Technical Manual 239 Check braking transistor wiring for errors Properly rewire the braking resistor device Review the list of possible solutions provided for controlling noise 2 Review the section on handling noise interference and check the control circuit lines main circuit lines and ground wiring o gt Troubleshooting 6 4 Fault Detection Check the load inertia settings when using KEB overvoltage suppression or Stall Prevention during Load inertia has been set incorrectly deceleration Adjust L3 25 Load Inertia Ratio in accordance with the load Braking function is being used in PM Open Connect a braki g resistor Loop Vector Control Adjust the parameters that control hunting Set the hunting prevention gain n1 02 Adjust the AFR time constant n2 02 and n2 03 when in OLV Control Use parameters n8 45 PM Speed Feedback Detection Suppression Gain Pull In Current Compensation Time Constant arator Displ vs A SS ES ue CIE T s TT Input Phase Loss Drive input power has an open phase or has a large imbalance of voltage between phases Detected when L8 05 1 enabled Possible Solution Check for wiring errors in the main circuit drive input power Correct the wiring Ensure the terminals are tightened properly Apply the tightening torque specified in this manual to fasten the terminals Refer to Wire Gauges and Tightening T
58. RT Excessive PID Feedback The PID feedback input is higher than the level set in b5 36 for longer than the time set in b5 37 and 5 12 is set to 1 or 4 Mr Fait Possible Solutions quit a 10 a ea eese m incorrect Check minas b5 36 and b5 37 YES PID feedback wiring is faulty Feedback sensor has malfunctioned Check the sensor and replace it if damaged ae place the drive YES Minor Fant Name EE TUER PID Feedback Loss The PID feedback input is lower than the level set in b5 13 for longer than the time set in b5 14 and b5 12 is set to l or 4 X t Cause Possible Solutions EN p tti b5 13 14 Puce emp fOr sae ee RSS HORIS Check parameters b5 13 and b5 14 PID feedback wiring is faul D EHE Feedback sensor has malfunctioned Check the sensor and place it if damaged YES Feedback in put circuit is damag ed ERES T z RD EE 7 ok Both Safe Disable m put ARTE are open Miner fon Possible Solutions H 5 a Si Check if external safety circuit ee X egenis the aoe If the Safe Disable function is not utilized check if the terminals Hi of the Safe Diatr input channels is open Minor Fault Cause Possible Solutions an ut EC CEN One of the Safe Disable channels i is faulty R eplace the drive n rat T Me aa p DT 13 Drive current exceeded overcurrent warning level 150 of the rated current Minor Fault P
59. RVOPACK WDC sion cycle fluctuated transmission cycle setting cycle fluctuation at host controller error Turn the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK A SERVOPACK fault occurred BH Troubleshooting 2 The alarm that may occur in a SERVOPACK with Fully closed Module 9 19 9 20 9 Troubleshooting 9 1 2 Troubleshooting of Alarms cont d 1 nde iua The output signal circuits or devices for HWBB1 and HWBB2 or the SERVOPACK The lag between activations of Saf naan Signa e input signals HWBBI and cec ir cen the input signal circuits may be faulty ety gna HWBB2 for the HWBB function HWBB si Alternatively the input signal Input Timing Error is ien second or mere B2 signals cables may be disconnected Check if any of these items are faulty or have been disconnected Execute the SV_ON or SENS_ON Check the motor when the command only when the motor is AED1 A timeout error occurred when Command is executed not running Command Execution using an MECHATROLINK Timeout command Check the external encoder status Execute the SENS_ON command when the ca die executed my when an external scale is con The three phase power supply Be Confirm that the power supply is AF10 wiring is incorrect Check the power supply wiring correctly wired Main Circuit Cable The three phase power sup
60. Undervoltage Main circuit DC voltage is excessively low Gr2 Available Main Circuit The capacitor of the main circuit has deteriorated or is Grl N Capacitor Overvoltage faulty ur ea Kc Overspeed of Encoder The pulse output speed upper limit of the set encoder Output Pulse Rate output pulse Pn212 is exceeded 9155 Vibration Alarm Incorrect vibration at the motor speed was detected Available 7 Autotuning Alarm Trona was detected while performing tuning less Available TCR The motor was operating for several seconds to several Overload High Load tens of seconds under a torque largely exceeding rat Available E ings j Overtoad Low Load Hebraico ee e Available When the dynamic brake was applied rotational Dynamic Brake Overload energy exceeded the capacity of dynamic brake resis Available J tor Overtoad of Surge The main circuit power was frequently turned ON and Lumen na Rol eas Heat Sink Overheated The heat sink of the SERVOPACK exceeded 100 C Available a Built in Fan in nae SERVOPACK Stopped The fan inside the SERVOPACK stopped cet Available SP The power supplies to the encoder all failed and posi a Encoder Backup Error tion data was lost Gri N A zzii Encoder Checksum Error The checksum results of encoder memory is incorrect N A Absolute Encoder Battery The battery voltage was lower than the specified value Get Available vq Error after the contro power supply was turne
61. al 253 le Troubleshooting 6 8 Diagnosing and Resetting Faults Resetting Ea When a fault occurs and the drive stops follow the instructions below to remove whatever conditions triggered the fault then restart the drive Fault Occurs Simultaneously with Power Loss WARNING Electrical Shock Hazard Ensure there are no short circuits between the main circuit terminals R L1 S L2 and T L3 or between the ground and main circuit terminals before restarting the drive Failure to comply may result in serious injury or death and will cause damage to equipment 1l Tum on the drive input power 2 Use monitor parameters U2 LILI to display data on the operating status of the drive just before the fault occurred 3 Remove the cause of the fault and reset Note To find out what faults were triggered check U2 02 Fault History Information on drive status when the fault occurred such as the frequency current and voltage can be found in U2 03 through U2 17 Refer to Viewing Fault Trace Data After Fault on page 254 for Information on how to view fault trace data Note When the fauit continues to be displayed after cycling power remove the cause of the fault and reset If the Drive Still has Power After a Fault Occurs 1 Lookatthe LED operator for information on the fault that occurred 2 Refer to Fault Displays Causes and Possible Solutions on page 232 3 Reset the fault Refer to Fault Reset Methods on page 254
62. annot be solved by the described corrective action A 900 Position Error Overflow A901 Position Error Overflow Alarm at Servo ON A910 Overtoad Waming before alarm A 710 or A 720 occurs A911 Vibration A see uem Confirm that there is no contact fault in the motor wiring or encoder wiring Check the servomotor main circuit cable connection The servomotor U V and W wirings is faulty The SERVOPACK gain is too low Increase the servo gain by using the function such as advanced autotuning Check the SERVOPACK gain Apply the smoothing function such as using the position reference accelera tion deceleration time constant P216 The position reference acceleration is too fast Reduce the reference acceleration and operate the SERVOPACK Setting of the excessive position error alarm level Pn520 is low against the operating condition Check the alarm level Pn520 to see if it is set to an appropriate value Set the Pn520 to proper valuc Turn the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK Correct the excessive position error warning level at servo ON Pn528 Incorrect wiring or con e Confirm that the servomotor and tact fault of servomotor Check the wiring Operation beyond the Check the servomotor overload char Reconsider the load co
63. arm 2 occured N A Internal program error 3 of the SERVOPACK System Alarm 3 i N A 3 Internal program error 4 of the SERVOPACK System Alarm 4 i N A Servo Overun Detected _ The servomotor ran out oF comol Gri Aviabie Absolute Encoder Clear Error and Multiturn Limit e usd E absolute encoder was not prop Gr N A Setting Error y Iz Set Encoder Communications Communications between the SERVOPACK and the BE der i eps w Encoder Communications zx i Position Data Error An encoder position data calculation error occurred N A 1 Encoder Communications An error occurs in the communications timer between Grl N A Timer Error the encoder and the SERVOPACK Encoder Parameter Error Encoder parameters are faulty Gub N A Muititum Uit Different multiturn limits have been set in the encoder ER Disagreement and the SERVOPACK 4 Feedback Option Module Communications Error Reception from the Feedback Option Module is faulty N A Reception error Feedback Option Module Timer for communications with the Feedback Option Communications Error Module is faulty N A a Timer stop t Position Error Overflow Position errors exceeded parameter Pn520 Gri Available This alarm occurs if the SV ON command is received when the position error is greater than the set value of Available When the position error remain in the error counter Pn529 limits the speed if the SV ON command is received If Pn529 limits the speed in such a state
64. ble not connected etc ORE Initialization failed because the motor was rotating Fe rd E Rotor rotation at initialization when the power was tumed on Vinc ad MECHATROLINK An error occurred with the MECHATROLINK communication ASIC error communication ASIC Red B9h ABS backup system error An error was occurred with ABS backup system 9 blinks Stored data for the driver was damaged D1h Nonvolatile memory error Rewrite life of the NV memory approx 100 000 times was reached Troubleshooting and remedia actions How to reset the alarm A Cycle the main power and control power supply MECHATROLINK communication will cut off B Reset the alarm using the MECHATROLINK communication command s ALM CLR C Reset the warning using the MECHATROLINK communication command s ALM CLR Alarm m Set a HOMELS signal between the LS signal and LS signal e Check the starting direction of return to home operation e Position the sensors so that the latch signal will be detected after the HOMELS signal is detected e Check the starting direction of retum to home operation After resetting the alarm pull out from the sensor position by referring Stop the motor to 12 2 Limit switch pull out sequence on p 67 Check the command position exceeds the soft limits e Check the final travel distance for return to home operation e Check the LS signals installation position Bito ALM 1 Turn off the power and ch
65. d ON E Encoder Data Ero NA Mp The encoder was rotating at high speed when the Encoder Overspeed power was 10N N A Encoder Overheaiad NA BA0 External Encoder Error External encoder is faulty Gri Available VATES Tin Encoder Error of Serial converter unit is faulty 94 Available o eo E o a External Encoder Error of encoder is fa ulty EN Available Ba3 External Encoder Error of The position data of external encoder is faulty Available His Position External Encoder The overheat from the extemal encoder occurred Grl Available 531 Current Detection Error 1 The current detection circuit for phase U is faulty Gri N A The alarm that may occur in a SERVOPACK with option module for fully closed loop control ee Troubleshooting 9 4 9 Troubleshooting 9 1 1 List of Alarms UEM T SP i Batty ce ping Re i NEEDS oma UE WO PELO Rrra fedi MENO S DNI Current Detection Error 2 The current detection circuit for phase Vis faulty Gr N A Current Detection Error 3 The detection circuit for the current is faulty N A 3j MECHATROLINK ASIC error occurred in the MECHATROLINK com Communications miunicztions N A ASIC Error 1 g TAR Internal program error 0 of the SERVOPACK System Alarm 0 occimed Gr 1 N A Internal program error 1 of the SERVOPACK System Alarm 1 occured N A Internal program error 2 of the SERVOPACK System Al
66. der is connected 94A Data Setting Waming 1 Parameter Num ber Error A 94B Data Setting Waming 2 Out of Range A 94C Data Setting Waming 3 Calculation Error The power supply volt age exceeds the speci fied limit Insufficient external regenerative resistance regenerative resistor capacity or SERVO PACK capacity Set the power supply voltage within the specified range Measure the power supply voltage Change the regenerative resistance regenerative resistor capacity or SER VOPACK capacity Reconsider the operating conditions using the capac Check the operating condition or the capacity using the capacity selection Software SigmaJunmaSizet etc Or regenerative power ity selection software SigmaJunma has been continuously Sizet etc flowing back Regenerative power continuously flowed Reconsider the system including back because negative E ae oa to tbe servomotor dur servo machine and operating condi load was continuously mg op tions applied The servomotor rotates Take measures to ensure the servorno because of external Check the operation status tor will not rotate because of external force force Reconsider the following The rotating energy at a Check the power consumed by DB eri she servomotor reference DB stop exceeds the DB Hacer ated eae id many Reduce the moment of inertia ratio Red
67. ditions set to L6 08 Possible Solution Undertorque was detected and matched the condition of mechanical loss detection Check the load side for any problems operation s 6 08 x3 fice Ra IDC Bus Undervoltage One of the following conditions occurred while the drive was stopped Voltage in the DC bus fell below the undervoltage detection level L2 05 For 200 V class approximately 190 V 160 V for single phase drives For 400 V class approximately 380 V 350 V when E1 01 is less than 400 The fault is output only if L2 01 0 or L2 01 1 and the DC bus voltage is under L2 05 for longer than L2 02 The main circuit drive input power is wired incorrectly Correct the wiring Ensure there are no loose terminals Apply the tightening torque specified in this manual to fasten the terminals Refer to Wire Gauges d Tightening Torque on page 51 There is a problem with the voltage from the Check the voltage drive input power Correct the voltage to within range listed in drive input power specifications The power has been interrupted Drive internal circuitry has become worn REIS ie manane spe cus Mec U4 05 Check the drive internal temperature Replace the drivc CUEEDOpgiorDBpay Ke a aN DI Y CT NSEDUEENENUR NU 2 va epl Power Supply Vota Fant T Correct parameter L2 02 setting or install optional Momentary Power Loss Ride Thru unit The wiring for
68. e 0 causing a PID fault and the drive to operate at max frequency PID control keeps the difference between target and detection values at 0 Set the input level for the values relative to one another Use analog input gains H3 03 11 to adjust PID target and feedback signal scaling INo PID feedback input The level of detection and the target value do not correspond with each other Reverse drive output frequency and speed detection When output frequency rises the sensor detects a peed decrease B Insufficient Motor Torque EE amp SB CaUSO oe AE Auto Tuning has not yet been performed required for OLV Control Perform Auto T one oe was changed after performing Perform Au io Tuning god Ony ne wlan Resistance Auto Tuning was Perform Rotational Auto Tuning mw Motor Rotates After the Drive Output is Shut Off e d s Adjust the DC Injection braking settings Low DC Injection Braking and the drive cannot Increase the value of b2 02 DC Injection Braking Current eceierate property Increase the b2 04 DC Injection Braking Time at Stop Im ov or Speed Loss Occurs When Starting into a Rotating Load i XU Ge CAUSE d A E A a e ROSSINS Olion oes dr using DC Injection braking lestart the motor The load is already rotating when the drive is trying PROTpASE he value of B2 03 OG Injection Braking Time at star Io SHE Set a multi f
69. e CLED Operatoe Display Se ee RN SU A d Pesta sues Fras Site eee cate ae Braking Resistor Overheat cH Braking resistor protection was triggered Fault detection is enabled when L8 01 1 disabled as a default Possible Solution Check the load deceleration time and speed Reduce the load CC HN abe proper braking resistor has not been Deceleration time is too short and excessive ms regenerative energy is flowing back into the e p DWET Then try reducing the braking load and checking the ote The magnitude of the braking load trips the braking resistor overheat alarm NOT the surface temperature Using the braking resistor more frequently than its rating trips the alarm even when the braking resistor surface is not very hot In ALED Operator Dis ES RS E TRA The built in dynamic braking transistor failed Cause Possible Solution The braking transistor is damaged Cycle power to the drive and check if the fault reoccurs Refer to Diagnosing and Resetting The control circuit is damnged pin on page 254 Ean SLED Operaton oy a AT a ite Ac E EE us 5Er Too Many Speed Search Restarts The number of speed search restarts exceeded the number set to b3 19 Possible Solution Reduce the detection compensation gain during Speed Search b3 10 Increase the current leve when attempting Speed Search b3 17 Increase th
70. e Frequency Multiple motors are running off the same Disable the Motor Protection function L1 01 0 and install a thermal relay to each motor e electrical thermal protection Reduce the load Increase the speed If the drive is supposed to operate at low speeds either increase the motor capacity or use a motor specifically designed to operate with the drive Set L1 01 2 Th dri The electri Check the motor characteristics characteristics and motor overload Correct the value set to L1 01 Motor Protection Function characteristics do not match Install an external thermal relay i i Check the current rating listed on the motor nameplate Check the value set for the motor rated current E2 01 Overexcitation increases the motor losses and the motor temperature If applied too long motor damage can occur Prevent excessive overexcitation operation or apply proper cooling to the moto Reduce the excitation deceleration gain n3 13 Check values set to Speed Search related arameters Adjust the Speed Search current and Speed Search deceleration times b3 02 and b3 03 respectively After Auto Tuning enable Speed Estimation Typ 24 The thermal sensor of the drive triggered overload protection Possible Solution i Reduce the load T the preset V f pattern E1 04 through E1 10 This will mainly involv
71. e ambient operating temperature perature around the servomotor must be 40 C or less bigh The servomotor load is greater Check the accumulated load ratio The servomotor load must be within than the rated load Un009 to see the load the specified range Pun the power supply OFF n en ON again If the alarm sti An encoder fault occurred occurs the servomotor may be faulty Replace the servomotor Turn the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK Before setting the zero point posi tion use the fully closed feedback pulse counter Un00E to confirm that the servomotor is not rotating A SERVOPACK fault occurred Setting the zero point position of external absolute encoder failed because the servomotor rotated An external encoder fault An external encoder fault Emme a enema A serial converter unit fault occurred The servomotor must be stopped while setting the zero point posi tion Replace the serial converter unit E nl IO ET An external encoder fault occurred The external absolute encoder may be faulty Refer to the encoder man ufacturer s instruction manual for corrective actions An extemal absolute encoder fault occurred The overspeed from the external encoder occurred Check the maximum speed of the external encoder Keep the external encoder below its maximum speed
72. e detection time during Speed Search b3 18 Repeat Auto Tuning Speed Search parameters are set to the wrong values 240 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 4 Fault Detection E SPSS LED Operator Display I ee PKRBENam Ix ERCIAT eS STO Enter the correct motor code for the PM being used into ES 01 less nt code has been set Yaskawa For special purpose motors enter the correct data to all E5 parameters according to the Test Report y provided for the motor Increase the value set to n8 55 d Inertia for PM Increase the value set to n8 51 l In Current during Accel Dece for PM Reduce the load Increase the motor or drive ca acity MEE HS EEUU is antec i ee Ce Undertorque Detection 1 Ut 3 UL3 The current has fallen below the minimum value set for torque detection L6 02 for longer than the allowable time L6 03 Cause O O Possible Solution Parameter settings are not appropriate for the Check the settings of parameters L6 02 and L6 03 ype of Check the load for any problems PEER as MOS f ay Undertorque Detection 2 UL ULA The current has fallen below the minimum value set for torque detection L6 05 for longer than the allowable time L6 06 Possible Solution ues vu Heman akening Detection 2 The operation conditions matched the con
73. e reducing E1 08 and 1 10 Be Aem not to lower E1 08 and E1 10 excessively because this reduces load tolerance at low Reduce the load when operating at low speeds Replace the drive with a model that is one frame size larger Lower the carricr freq C6 02 Overload occurred when operating at low speeds Check the settings for all Sp earch related parameters Speed Search related parameters are not set Adjust the current used during Speed Search and the Speed Search deceleration time b3 03 and b3 02 respectively After Auto Tuning the drive enable the S ced Search Estimation Typ The current has exceeded uc 6 03 Possible Solution Heber Ee ungs are not appropriate for the Check the settings of parameters L6 02 and L6 03 merme machine side c g the Check the status of the load Remove the cause of the fault NERD Display 5 3E 0 LU j ET I3 l DG UIBEDODGZGPDBRV ESEOSIONINU UU To aN a olJ E eg PGI YEE c ANA Y OREL em E AET i p A Overtorque Detection 1 oL3 the value set for torque detection L6 02 for longer than the allowable time 2 Lo en Mme ee Te Ea Ty ot NET the enD ARNT Overtorque Detection 2 oL oL4 The Sent has exceeded the value set for Overtorque Detection 2 L6 05 for longer than the allowable time Possible Solution t z dd ped i t are not appropriate for the Check the settings of parameters L6 05 a
74. ecause the servomotor speed put setting and servomotor speed 5 15234 the servomotor speed was too high Check for abnormal noise from the Abnormal vibration was detected servomotor and check the speed Reduce the servomotor speed or at the servomotor speed and torque waveforms during oper reduce the speed loop gain Pn100 A520 ation Vibration Alarm The moment of inertia ratio Pn103 value is greater than the PTUS Set the moment of inertia ratio actual value or is greatly Check the moment of inertia ratio Pn103 to an appropriate value changed 2 Reduce the load so that the moment 3 A521 of inertia ratio falls within the Autotuning Alarm Ey enG E Check the servomotor speed wave allowable value or raise the tuning brati tected form level using the tuning less levels 3 Mr NA tess function factory setting setting Fn200 or reduce the load E advanced autotuning level one parameter tuning The servomotor vibrated consid 2 EasyFFT or tuning less erably during advanced autotun Check the servomotor speed wave Check the hag elm be tH function ing one parameter tuning or form MUN AR mo cenon an a EasyFFT 9 11 9 Troubleshooting 9 1 2 Troubleshooting of Alarms AY Ue Incorrect wiring or contact fault T Confirm that the servomotor and tamer ecco Ost wing cw aly we Wet Sek d VET DI RA Eee cog Satan d Ws Check the servomotor overload Reconsider the load c
75. eck the motor cable and its connection to the driver Turn off the power and check the motor cable and its connection to the driver Prevent the motor output shaft from rotating due to an external force when the power is turned on The communication IC may be damaged Call our branch or sales office Cycle the power Initialize the parameter Cut off the motor current The NV memory may be damaged Cail our branch or sales office
76. edial actions How to reset the alarm A Cycle the main power and control power supply MECHATROLINK communication will cut off B Reset the alarm using the MECHATROLINK communication command s ALM CLR C Reset the warning using the MECHATROLINK communication command s ALM CLR Remedial action Check the command that has been sent Check the send condition of the command that has been sent Check the data that has been sent Check the ventilation condition inside the enclosure Reduce the load or increase the acceleration deceleration rate Check the command speed or electronic gear e Check the power supply voltage e For a lifting device reduce the load Check to see if the main power is input correctly Reduce the load or decrease the acceleration deceleration rate Check the motor cable and its connection to the driver Check if the watchdog timer is refreshed Set an appropriate transmission period within a range of 0 5 to 3 0 ms in 0 5 ms increment e Connect the MECHATROLINK communication cable correctly Connect a termination resistor correctly Implement the noise elimination measures The driver may be damaged Call our branch or sales office Charge the battery It takes approx 48 hours to fully charge the battery at an ambient temperature of 20 C 68 F e Reset the alarm using the absolute position loss error reset parameter 1005h If the alarm still generates after charg
77. een Sizet etc capacity selection software Sigma continuously flowing back JunmaSize etc Regenerative power continu ously flowed back because nega Check the load applied to the servo Reconsidet te Sysiem inching tive load was continuously motor during operation ditions applied The setting of parameter Pn600 is Check the external regenerative smaller than the external regener resistor connection and the value of Set the Pn600 to a correct value ative resistor s capacity the Pn600 Change the regenerative resistance to a correct value or use an external regenerative resistor of appropriate capacity The SERVOPACK may be faulty saeco EE When using a regenerative resistor built in the SERVOPACK The regenerative resistor discon Measure the resistance of the regen Replace the SERVOPACK nected when the SERVOPACK erative resistor using a measuring When using an external regenera power supply voltage was high instrument tive resistor Replace the external regenerative resistor In the AC power input mode DC Check the power supply to see if it Correct the settings to match the power was supplied is a DC power supply actual power supply specifications In the DC power input mode AC Check the power supply to see if it Correct the settings to match the power was supplied is an AC power supply actual power supply specifications Regenerative resistor cap Check if regenerative resistor is
78. er alarm When an alarm generates the OP LED red will blink At the same time the ALM signal output will turn OFF and bit 0 ALM of the status field will change to 1 If a warning is detected the OP LED will remain a steady green light and the ALM signal output will not turn OFF Only bit 1 WARNG of the status field will change to 1 and the operation will continue 1 2 3 1 2 3 EN S Interval tL ES Example An alarm that cuts off the main power is detected Number of OP LED blinks 3 M B Priority If an alarm generates whose priority is higher than that of the present alarm the current alarm code will be overwritten by the new alarm code of the higher priority Alarms of the same or lower priority than the present alarm will be ignored Alarms of priority are not saved in the alarm history U 2 Limit switch pull out sequence If a ZLS detection error or soft limit detection error alarm generates follow the procedure below to pull out from the limit 1 Reset the alarm by sending the alarm waming clear command ALM CLR 06h via MECHATROLINK communication with ALM_CLR_MOD 0 Use bit 0 ALM 70 to check if the alarm has been cleared 2 Pull out from the limit using one of the following methods Operate the motor in the direction in which it can be pulled out using a motion command INTERPOLATE POSING FEED LATCH EX POSING or ZRET Use bit 0 LSybit 1 LS 70 of the I O monitor field or bit 12 P SOT
79. er editing H1 01 through H1 07 B If the password entered to A1 04 does not match the password saved to A 1 05 then drive settings cannot be changed Reset the password If you cannot remember the password i Display parameter A1 04 Press the button while pressing at tbe same time Parameter A1 05 will appear Seta new password to parameter A1 05 Check the drive input power voltage by looking at the DC bus voltage U1 07 Check all main circuit wiring The wrong password was entered Undervoltage was detected Motor Does Not Rotate Properly after Pressing RUN Button or after Entering External Run Command B Motor Does Not Enn go SE eub Mode Stop the drive and check if the correct reference source is selected If the operator keypad shall be the source the LO RE button LED must be on if the source is REMOTE it must be off Take the following steps to solve the problem LET Push the WELES button If 02 01 is set to 0 then the LO RE button will be disabled When Auto Tuning has ap i Es the drive is switched back to the Programming Mode The Run command Auto Tuning has just completed will not be accepted unless the drive is in the Drive Mode Use the LED operator to enter the Drive Mode Refer to The Drive and Programming Modes on page 74 Check parameter b1 02 Run Command Selection Settings are incorrect for the Feria EA pes DORT with the cor
80. ethods are provided in 9 1 2 Troubleshooting of Alarms List of Alarms This section provides list of alarms Servomotor Stopping Method If an alarm occurs the servomotor can be stopped by doing either of the following operations Gr 1 The servomotor is stopped according to the setting in Pn001 0 if an alarm occurs Pn001 0 is factory set to stop the servomotor by applying the DB Gr 2 The servomotor is stopped according to the setting in PnOOB 1 if an alarm occurs PnOOB 1 is factory set to stop the servomotor by setting the speed reference to 0 The servomotor under torque control will always use the Gr method to stop By setting Pn00B to 1 the servomotor stops using the same method as Gr 1 When coordinating a number of servomotors use this stopping method to prevent machine damage that may result due to differences in the stop method Alarm Reset Available Removing the cause of alarm and then executing the alarm reset can clear the alarm N A Executing the alarm reset cannot clear the alarm NS io E ath LAU Gr Parameter Checksum The data of the parameter in the SERVOPACK is ES X Error 4 incorrect The data of the parameter in the SERVOPACK is Parametar Format Error 1 interact N A System Checksum Error 1 Toi diis of the parameter in the SERVOPACK is N A KW ah ia Otc Erer Deesa a raae a Gri Avin A040 Parameter Setting Error 1 The parameter setting is outside the setting range
81. evel during run L3 06 The Stall Prevention level during 1713 06 is set 100 low i curing speed will drop as the drive outputs torque run has been set too low Increase the setting value org Although the drive is operating in Perform Auto Tuning Open Loop Vector motor control og culis motor Gata aad Tun reset motor parameters method Auto Tuning hasnot Switch to the V f motor control method A 1 02 0 The motor cable may be long enough over 50 m to require Auto Tuning for line to line resistance Be aware that V f Control is comparatively limited when it comes to producing torque at low speeds Consider switching to Open Loop Vector Control ffers from the Controller Frequency Reference Command Tt we ee Possible Sollo nes LRL LE E UR EUM Check the main frequency reference terminal input gain level assigned to terminals Al and A2 as well as the frequency reference input bias to terminals Al and A2 parameters H3 03 H3 04 and H3 12 Set these parameters to the appropriate values If multi function analog input terminals Al and A2 are set for frequency reference 13 02 0 and H3 10 0 the addition of both signals builds the frequency reference Ensure that H3 02 and H3 10 are set appropriately Check the input level set for terminals Al and A2 U1 13 U1 14 The analog input frequency gain and bias are set to incorrect values To BSSIBeSoli
82. g around the side Malfunction of encoder because a eri eimi barbara The encoder malfunctioned of noise interference etc cuit cable or by checking the grounding and other wiring eris i cass ing at Check the motor rotating speed Reduce the servomotor speed to a 200 min or higher when the Un000 to confirm the servomotor value less than 200 mio and turn A 850 rcd power supply was tumed Speed when the power is tumed ON ON the control power supply Encoder Overspeed Detected when the con Tum the power supply OFF and again alarm ONT EM e An encoder fault occurred the servomotor may be Det lon the encoder faulty Replace the servomotor side Turn the power supply DH ani then ON again If the alarm sti faulty Replace the SERVOPACK B Troubleshooting 9 14 9 Troubleshooting 9 1 2 Troubleshooting of Alarms A 860 Encoder Overheated Only when an absolute encoder is connected Detected on the encoder side A 8A0 External Encoder Error A BA1 2 External Encoder Error of Module A BA2 2 External Encoder Error of Sensor Incremental A BA32 Extemal Encoder Error of Position Absolute A BA5 Extemal Encoder Overspeed A BAG External Encoder Overheated A b31 Current Detection Error 1 A b32 Current Detectlon Error 2 A b33 Current Detection Error 3 A b6A MECHATROLINK Communications ASIC Error 1 operating tem Th
83. he acceleration time C1 01 03 05 07 Increase the S curve characteristics C2 01 through C2 04 Increase the capacity of the drive The drive is attempting to operate a Check the motor capacity spectalized motor or a motor larger than the Ensure that the rated capacity ofthe drive is greater than or equal to the capacity rating found on the maximum size allowed motor nameplate Magnetic contactor MC on the output side Set up the operation sequence so that the MC is not tripped while the drive is outputting current Cy of the drive has tumed on or off Check the ratios between the voltage and frequency Set parameter E1 04 through E1 10 appropriately Set E3 04 through E3 10 when using a second motor Lower the voltage if it is too high relative to the frequen Check the amount of torque compensation Reduce the torque compensation gain C4 01 until there is no specd loss and less current Review the possible solutions provided for handling noise interference Review the section on handling noise interference and check the control circuit lines main circuit lines and ground wiring V f setting is not operating as expected Excessive torque compensation Drive fails to operate properly due to noise interference jai E Check if fault occurs simultaneously to overexcitation function operation Overexcitation gain is set too high Consider motor flux saturation a
84. he power supply voltage Increasc the power supply capacity operation i When the instantancous power cut hold time Pn509 is set decrease the setting Replace the SERVOPACK and con nect a reactor to the SERVOPACK The SERVOPACK fuse is blown out A SERVOPACK fault The SERVOPACK may be faulty occurred Replace the SERVOPACK Refer to 9 3 Troubleshooting Malfunc tion Based on Operation and Condi tions of the Servomotor Even if overtravel signals were not shown by the input signal monitor Un005 When the servomotor Check the input signal monitor momentary overtravel may have been power is ON over Un005 to check the status of the detected Do the following travel status is detected overtravel signals Do not specify movements that would cause overtravel from the host controller Check the wiring of the overtravel signals Take countermeasures for noise g Troubleshooting 9 25 9 Troubleshooting 3 ceti adl NER REIN EE RENDER ee La Ea 9 3 Troubleshooting Malfunction Based on Operation and Conditions of the Servomotor Troubleshooting for the malfunctions based on the operation and conditions of the servomotor is provided in this section Be sure to tum OFF the servo system before troubleshooting items shown in bold lines in the table able Cause 1E Investigative Actions i i Comective Actions control The control power supply is not Check voltage between m
85. heck the servomotor wining t Moves Instantaneously d os NE n on and then Stops le Check the encoder wiring Correct the wiring Servomotor Wiring connection to servomotor is Check connections of power line Tighten any loose terminals or con Speed Unstable ee and W andencoder f Sectors and correct the wiring Servomotor Rotates Without A SERVOPACK fault occurred Replace the SERVOPACK Reference Input Improper Pn001 0 setting Me e setting for parameter oe Setting for parameter Check if excessive moment of iner Dynamic Brake DB resistor disconnected tia motor overspeed or DB fre oe i sai ang Does Not Operate quently activated occurred Pier ates There is a defective component in DB drive circuit fault the DB circuit Replace the SER VOPACK s us 9 26 Abnormal Noise from Servomotor 9 3 Troubleshooting Malfunction Based on Operation and Conditions of the Servomotor the load so that the moment of inertia ratio becomes within the allowable value or increase the load level or Jower the rigidity level for the tuning less levels setting Fn200 at if there are unbalanced cou ery s movable parts The VO signal cable must be tinned annealed copper shiclded twisted pair or screened unshielded twisted pair cable with a core of 0 12 mm min Noise interference due to length of Check the length of the I O signal The UO signal cable length must be VO signal cable cable no more than 3 m The enc
86. hemmost perature by improving the SERVO PACK installation conditions The overload alarm has been Check the alarm history display reset by turning OFF the power Fn000 to see if the overload alarm Change the method for resetting the too many times was reported A TAQ Check the accumulated load ratio Heat Sink Overheated Excessive load or operation Un009 to see the load during oper F Detected when the heat beyond the regenerative energy ation and the regenerative load bero the load and operating sink temperature processing capacity ratio Un00A to sec the regenera exceeds 100 C tive energy processing capacity Incorrect SERVOPACK installa tion orientation or and insuffi Check the SERVOPACK installa Install the SERVOPACK correctly cient space around the tion conditions as specified SERVOPACK The SERVOPACK may be faulty rs E 35 A 7AB Remove foreign matter or debris Bullt in Fan in The fan inside the SERVOPACK Check for foreign matter or debris f0 the SERVOPACK If the SERVOPACK inside the SERVOPACK alarm still occurs the SERVO Stopped PACK may be faulty Replace the SERVOPACK 9 1 Alarm Displays Alarm occurred when the power MESS Check to see if the power was to the absolute encoder was ini Set up the encoder Fn008 tially tumed ON turned ON initially cs i The encoder cable disconnected Check to see if the power was Confirm thc connectio
87. ine occurred or servomotor installation is incorrect mounting surface accu racy fixing alignment etc Aiemwohr wkoamdi o CO Reduce vibration from the machine or secure the servomotor installa tion Excessive vibration and shock to the encoder le Troubleshooting 9 27 PTT cit c Rroblen Probable Cause 7 4 1 dnyestigatiie c ne Inestigative Actors i oi s SComective Acie ns ha Speed loop gain value Pn100 too Check the speed loop gain Pn100 Reduce the speed loop gain high Factory setting Kv 40 0 Hz Pn100 Servomotor Hon P Vibrates at Position loop gain value Pn102 et a postion HOOP gain Kates tie position loop gain Frequency of too high QU Sa n102 Approx 200 to Factory setting Kp 40 0 s Check the speed loop integral time constant Pn101 ANH Incorrect speed loop integral time constant Pa101 Factory setting Ti 20 0 ms Incorrect moment of inertia ratio Check the moment of inertia ratio Correct the moment of inertia ratio Pn103 Pn103 Pn103 Unbalanced servo gains RE erue gains have Execute the advanced autotuning Speed loop gain value Pn100 too Check the speed Joop gain Pn100 Reduce the speed loop gain FN hi Factory setting Kv 40 0 Hz Pn100 igh Un D eed Position loop gain value Pn102 i position loop gain Reduce the position loop gain Starting and too high Factory setting Kp 40 0
88. ing Motor data entered to T1 parameters does not match motor nameplate Enter the correct data was incorrect Start Auto Tuning over again and enter the correct information Auto Tuning did not complete within designated time frame Drive calculated values outside parameter setting range 252 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual URN ROTE Check and correct faulty motor wiring Disconnect the motor from machine and perform Rotational Auto Tuning 6 7 Auto Tuning Fault Detection er Tey Mannion Name gy gees E CERES y Re m E XE m Er05 No Load Current Error Cause Possible Solutions Motor data entered during Auto Tuning Motor data entered to T1 parameters does not match motor nameplate Enter the correct data was incorrect Restart Auto Tuning and enter the correct information Auto Tuning did not complete within designated time frame Drive calculated values outside parameter setting rangc LEDO B ME cc Error Name ie Operator Display 5 aaa E e SS eee ee Rated Slip Error Possible Solutions Motor data entered during Auto Tuning Motor data entered to T1 parameters does not match motor nameplate Enter the correct data was incorrect Restart Auto Tuning and enter the correct information Check and correct faulty motor wiring Disconnect the motor from machine and perform Auto Tuning I
89. ing regenerative energy to charge the DC bus Excessive braking load Reduce the braking torque use a braking option or lengthen decl time Sor Install a DC reactor Surge voltage entering from the drive input Note Voltage surge can result from thyristor convertor and phase advancing capacitor using same poya drive main input power supply Ground fault in the output Check the motor wiring for ground faults IDC bus capacitor to overc Correct grounding shorts and turn the power back on Check the settings for Speed Search related parameters Enable Speed Search Retry function b3 19 a than or equal to 1 to 10 Adjust t reed level during Speed Search and the deceleration time b3 02 and b3 03 respectively E Perform Line to Line Resistance Auto Tuning and then enable Speed Estimation Type Speed Searc b3 24 Excessive regencration when overshoot Enable the Overvoltage Suppression function L3 11 1 occurs after acceleration Lengthen the S curve at acceleration end Improper Saing of Speed Search related parameters Includes Speed Search after a momentary power loss and after a fault restart Drive input power voltage is too high Check the voltage Lower drive inp The dynamic braking transistor is damaged The braking transistor is wired incorrectly Drive fails to operate properly due to noise interference YASKAWA ELECTRIC SIE
90. ing the battery a consumed battery open cable or blown fuse may be the cause Purchase a replacement battery PAEZ BT2 Check the logic setting of the LS signals Check the LS signals wiring e Check the installing wiring the HOMELS signal and latch signal as well as return to home operation data An unanticipated load may have been applied during the return to home operation Check the load Alarm Rare Continue the operation The received command is ignored Cut off the motor current BitO ALM 1 Stop the motor Troubleshooting and remedial actions Number of jams OP LED COM LED Phenomenon Cause f code blinks ES F3h HOMELS signal non detection The HOMELS signal was not detected at a error position between LS signal and LS signal The latch signal was not detected at a position iu Latch signal non detection error between LS signal and LS signal Red Green solid hase 2 3 or The LS or LS signal detected in the LS 7 blinks p e or signal was detected in the in OFF Fen LS signals detection error sinalenbie mede Soft limit detection error The motor reached a soft limit position The LS signal was detected during operation FAh Deum diede final travel over the final travel distance for return to horne pe operation A sensor error was detected during operation Red A sensor error occurred when the power was 8 blinks om Sensoreror turned on motor ca
91. ip compensation will drop as the time constant is Auto Tuning has not yet been performed required for Set motor Tuning parameters after calculating the proper values Open Loop Vector Control Change the motor control method to V f Control A1 02 0 Reduce the gain D Troubleshooting Insufficient tuning in V f Control n1 02 Hunting Prevention Gain Setting n1 03 Hunting Prevention Timc Constant Setting Gain is too low when using PID control Ensure that noise is not affecting the signal lines The frequency reference is assigned to an external Deni main circuit wiring and control circuit wiring source and the signal is noisy Use twisted pair cables or shielded wiring for the control circuit ncrease the analog input time filter constant H3 13 The cable between the drive and motor is too long B eei e iir cable YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 259 6 9 Troubleshooting without Fault Display E PID output fault DN TENES MUR Se Rossible Sol ti ns Check the multi function analog input terminal settings Set multi function analog input terminal A1 or A2 for PID feedback H3 02 or H3 10 B A signal input to the termina selection for PID feedback is necessary Check the connection of the feedback signal Check the various PID related parameter settings No PID feedback input to the terminal causes the value detected to b
92. ith one another The correct current rating printed on the nameplate was not entered into T1 04 Sei LED OperaterDaphayne RD NI PONES Errors ye PEr O7 Erol Motor Data Error Possible Solutions Check the setting of parameter T1 04 Check the motor data and repeat Auto Tuning required when Auto Tuning for OLV Control or Stationary Auto Tunin 1 05 and T1 07 do not match Pee ED Operator Display 2 0 71850022783 20 ZUDITOXERFOENA G 70702 002 0 XOT 00 r b B jMmrRmh id Cause 5 Possible Solutions Motor data entered to the T parameters does not match the information written on the motor nameplate Enter the correct data Auto Tuning Start Auto Tuning over again and enter the correct information The wiring is faulty Check the wiring and correct defective connections Check around the machine Load is too heavy Check the load p5 Poe LED Operator Disp Aya ESL T 5 STI p Error Namek eee p ue es eR Reiss othe E c 03 Er 03 ___ STOP Button Input Possible Solutions Auto Tuning canceled by pressing STOP Auto Tuning did not complete properly and will have to be performed again button Sees D perator Display z Error Name i SESS c 0U Er04 Line to Line Resistance Error Possible Solutions Motor data entered during Auto Tun
93. larm still System Alarm 4 A SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK The order of phases U V and W 5 in the servomotor wiring is incor Check the servomotor wiring EEOAE er MP seruomibtor qon rect A C10 If the alarm still occurs after turning Servo Overrun the power OFF and then ON again Detected An encoder fault occurred even though the servomotor is cor Detected when the rectly wired th servomotor may be servomotor power is faulty Replace the servomotor ON Turn the power supply OFF and thea ON again If the alarm still A SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK Turn the power supply OFF and then ON again If the alarm stil A C80 An encoder fault occurred occurs the servomotor may be Absolute Encoder faulty Replace the servomotor Clear Error and Multi Turn the power supply OFF and turn Limit Setting Error then ON again If the alarm still faulty Replace the SERVOPACK dul Turn the power supply OFF and bF1 then ON again If the alarm still System Alarm 1 A SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK le Troubleshooting 9 15 9 Troubleshooting 9 1 2 Troubleshooting of Alarms e tj HEC Contact fault of encoder connec Check the encoder connector con ui mis reap Fassa tor or incorrect encoder wiring tact status wired Encoder cable discon
94. ler side or on the drive ve input power side Ensure that other equipment as switches or relays do not cause noise and use surge Suppressors A communications data error occurred due to req Separate all wiring for communications devices from drive input power lines Install an EMC noise filter to the input s side ot the drive i nput power oe EET B Amer ees En See Control Fault Doe E A torque limit was reached continuously for three seconds or longer during a ramp to stop while in op Vector Control Motor parameters are not set properly Que limit is too low Load inertia is too big Adjust the deceleration time C1 02 04 06 08 E lea frequency to the minimum value and interrupt the run command when the drive finishes dece eratin E current offset the calculated value exceeded Enable Speed Search at start 53 01 1 Use the multi function terminals to execute Extemal Speed the allowable setting range This problem Search I and 2 H O0 61 or lt may cone w when attempting to restart a Note When using a PM motor both External Speed Search 1 and 2 perform the same operation CRED ee Possible Solution Control circuit is damaged cle power to the drive If the problem continues replace the drive Control circuit inals have shorted out CK d e win Pa along the control circuit terminals V AC Control terminal input current has exceeded
95. ll the overtravel limit switch at the appropriate position E Troubleshooting 9 29 ds Investigative The encoder cable must be tinned annealed copper shielded twisted pair or screened unshielded twisted pair cable with a core of 0 12 mm min Noise interference due to length of Check the length of the encoder The encoder cable must be no more encoder cable cable than 50 m Noise influence duc to damaged Check if the encoder cable is bent Replace the encoder cable and mod encoder cable and its sheath is damaged ify the encoder cable layout Check if the encoder cable is bun Excessive noise to encoder cable dled with a high current line or near Change the encoder cable layout so that no surge is applied a high current linc Noise interference due to incorrect i able encoder cable specifications Dos the specified enlbodercable The FG potential varies because of R influence from machines on the be bp PA the machines are correctly opady EM the machines vomotor side such as the welder Bre SERVOPACK pulse count error due Check if the VO signal line from the Take measures against noise in the to noise encoder is influenced by noise encoder wiring Check if vibration from the machine Excessive vibration and shock to occurred or servomotor installation Reduce the machine vibration or the encoder is incorrect mounting surface accu mount the servomotor securely racy
96. ly closed Loop Control Parameter Setting Error A 04A Parameter Setting Error 2 A 050 Combination Error The SERVOPACK and servomotor capacities do not correspond A 051 Unsupported Device Alarm A 0b0 Cancelled Servo ON Command Alarm s Pn533 min x 2 The encoder output pulse Pn212 cont d is out of the setting range and does not satisfy the setting condi tions The speed of program JOG oper ation Fn004 is lower than the setting range after having changed the electronic gear ratio Pn20E Pn210 or the servomo tor The speed of program JOG oper ation Fn004 is lower than the setting range after having changed the setting of the pro gram JOG movement speed Pn533 The moving speed of advanced Check the parameter Pn212 Set Pn212 to a correct value Check that the detection condi tions are satisfied Decrease the setting of the elec tronic gear ratio Pn20E Pn210 Check that the detection condi tions are satisfied Increase the setting of tbe program JOG movement speed Pn533 fee cee irati m reden Check that the detection condi Decrease the setting of the elec 1 the el nic gear ratio Pn20E tions are satisfied tronic gear ratio Pn20E Pn210 Pn210 or the servomotor The setting of the fully closed The setting of fully closed module module does not match with that Check the settings of
97. main circuit OPPed during operation a UM power supply section suntan When the instantaneous power cut 5 cs salt n of leg EE Measure the power supply voltage hold time Pn509 is set decrease the setting i Replace the SERVOPACK con Bi SERVOPACK fuse is blown nect a reactor and run the SERVO PACK A SERVOPACK fault i The SERVOPACK may be faulty Replace the SERVOPACK A 450 Main Circuit A SERVOPACK fault occurred Replace the SERVOPACK Capacitor Overvoitage The order of phases U V and W in the servomotor wiring is incor Check the servomotor wiring nnda dum the servomotor is cor tect y wired A 510 A reference value exceeding the Overspeed overspeed detection level was Check the input value ipd the reference value or adjust The servomotor rota input tional speed exceeds the Reduce the speed reference input maximum Je De speed exceeded the ig the servomotor speed wave gain adjust the servo gain or recon sider the operating conditions The SERVOPACK may be faulty rona ERE The encoder output pulse fro Check the encoder output pulse set Decrease the setting of the encoder A511 quency exceeded the limit ting output pulse Pn212 Overspeed of Encoder The encoder output pulse output Set the power supply voltage within Measure the power supply voltage the specified range Output Pulse Rate frequency exceeded the limit Check the encoder output pulse out M b
98. mmand 1 and KEB Command 2 65 66 vs 7A 7B FWD Run Command or REV and FWD REV Run Command 2 wire 40 41 vs 42 43 External DB Command and Drive Enable 60 vs 6A Motor Switch Command and Up 2 Down 2 Command 16 vs 75 76 Check for contradictory settings assigned to the multi function input terminals at the same time Correct setting errors YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 249 o gt Troubleshooting 6 6 Operator Programming Errors One of the following settings was entered while H1 O0 2 External Reference 1 2 b1 15 4 Pulse Train Input and H6 01 Pulse Train Input Function Selection not 0 Frequency Reference bl 15 or b1 16 set to 3 but no option card connected a Although b1 15 1 Analog Input and H3 02 or H3 10 are set to 0 Correct the settings for the multi function input terminal parameters requency Bias H1 00 7E Direction Detection although H6 01 is not set to 3 Simple V f with PG The drive control board or terminal board has been replaced and the To load the parameter settings to the drive that are stored in the terminal arameter settings between the control board and the terminal board no board set A 1 03 to 5550 Initialize parameters after drive replacement by TQ um oPEGS Run Command Frequency Reference Source Selection Error Possible Solutions
99. n and set up A810 and connected again tumed ON initially the encoder Fn008 f a The power from both the control rsen id usd power supply 5 V from the Replace the battery or take similar A hen an a n ute SERVOPACK and the batte ry eck the encoder connector bat measures to supply power to the encoder is connected power supply is not being sup tery or the connector contact status encoder and set up the encoder wo encoder fpj Fn008 side plied An absolute encoder fault ee occurred ting up the encoder again replace the servomotor A SERVOPACK fault oc i The SERVOPACK may be faulty Replace the SERVOPACK A820 Set up r co ere using Fn008 If the alarm still occurs the Encoder Checksum An encoder fault occurred servomotor may be faulty Replace ri eee the servomotor al ER side A SERVOPACK fault occurred The SERVOPACK may be faulty Replace the SERVOPACK A830 The battery connection is incor Check the battery connection Reconnect the battery Absolute Encoder Battery Error The battery voltage is lower than The absolute encoder the specified value 2 7 V Measure the battery voltage Replace the battery battery voltage is lower The SERVOPACK ma y be faulty Turn the power supply OFF and then ON again If the alarm still occurs the servomotor may be A 840 faulty Replace the servomotor Encoder Data Error DENN Detected on the encoder Correct the wirin
100. nd L6 06 z P 7 Ben ce WE kde Pr CERE ONUS T a j y DIS AUDI MES RUNG a er 2 Overtorque occurred matching the conditions specified in L6 08 238 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 4 Fault Detection Possible Solution Overtorque occurred triggering the mechanical weakening level set to L6 08 d Z LED Operator Display dep The output frequency stayed constant for longer than the time set in n3 04 during High slip Braking Possible Solution Excessive load inertia Excessive load inertia O Motor is driven by the load Reduce deceleration times using parameters C1 02 04 06 and 08 in applications that do not High slip Braking Something on the load side is restricting Use a braking resistor to shorten deceleration time deceleration The overload time during High slip Braking Increase paame n3 04 High slip Braking Overload Time is too short i ermal relay and increase the parameter setting of n3 04 to the maximum value SS cep aaa ane The external opera Note An oPr fault will occur when all of the following conditions are true Output is interrupted when the operator is disconnected 02 06 1 The run command is assigned to the operator 61 02 0 and LOCAL has been selected Possible Solution Check the connection between the operator and the drive
101. nd reduce the value of n3 13 Overexcitation Deceleration Gain Enable Speed Search at start b3 01 1 Rua command applied while motor was Program the Speed Search command input through one of the multi function contact input terminals Seu 1 00 61 or 62 The wrong motor code has been entered for T Open Loop Vector Yaskawa motors Enter the correct motor code to E5 01 to indicate that a PM motor is connected only Check which motor control method the drive is set to A1 02 doe meter control method and motor do not Eor IM motors set A 1 02 0 or 2 For PM motors set A1 02 5 The motor cable is too long Use a larger drive OEREN T c T EL I SLED Operator Dis pee ik eee ee POUR Name ee Ed BS EA x T5 Es DUE isplay E59 bees tion Card Fault Port A 2 0 oF ADO The option card is incompatible with the drive Possible Solution Use a compatible option card x ue 4 QEON IS ES FiulNam e Fe s PUER SN Replace the option card Possible Solution agri ty card is not connected properly to lr the power off and reconnect the option card D Operator Displays nori ee Eo SNMP n SEAN n GY oFA04 Option Card Fault port A An error occurred attempting to write to the option card memory oFf3 0ioFRH3 oFA3010 0FA43 OPlon Card Fault port A Communication ID error
102. nditions and overload protection acteristics and executed run com operating conditions Or increase the characteristics mand servomotor capacity Excessive load was applied during opera tion because the servo Check the executed operation refer motor was not driven ence and servomotor speed due to mechanical prob lems A SERVOPACK fault The SERVOPACK may be faulty occurred Replace the SERVOPACK Abnonmal vibration was Check for abnormal noise from the Reduce the servomotor speed or H reduce the servo gain by using the detected while the ser servomotor and check the speed and function such as one ter Dif A SERVOPACK fault occurred When the servomotor power tums ON the position error exceeded the parameter setting Pn526xPn528 100 Remove the mechanical problems vomotor is rotating torque waveforms during operation ing The moment of inertia ratio Pn103 value is Cr greater than the actual Check the moment of inertia ratio as ovde dion cae value or is greatly Pprop j changed 9 2 Waming Displays EE ale a A 920 Regenerative Overload Warning before the alarm A 320 occurs A921 Dynamic Brake Overload Warning before the alarm A 731 occurs A 930 Absolute Encoder Battery Error The absolute encoder battery voltage is lower than the specified value Only when an absolute enco
103. nection or short circuit Check the encoder cable decipi cable with the Or incorrect cable impedance P Corrosion caused by improper i temperature humidity or gas Improve the erme ni ona xs ser teased eit car ie operating environment ande and reises cate En cod connector contact fault caused by SERVOPACK vibration Correct the wiring around the encoder to avoid noise interference PAIN 0 CN OO EY DA Separate the encoder cable from imenerenca the servomotor main circuit cable improve grounding etc Communications Error Connect the servomotor to another SERVOPACK and tum ON the control power If no alarm occurs the SERVOPACK may be faulty A SERVOPACK fault occured The noise interference occurred Replace the SERVOPACK on the VO signal line because the encoder cable is bent and the Check the encoder cable and con Confirm that there is no problem nector with the encoder cable layout sheath is damaged A C91 The encoder cable is bundled i Encoder Confirm that there is no surge volt A with a high current line or near a Check the encoder cable layout Boston Oats ERE high current line EN EEA The FG potential varies because of infiuence from machines on Properly ground the machines to the servomotor side such as the Check the encoder cable layout separate from the encoder FG welder the LO signal line pma cn Take countermeasures against noise encoder for
104. ng or contact fault 2 zs mE NINE IUe ET of main circuit cable or servomo Tam Moe Refer to 3 7 Sande via tor main circuit cable aln Circuit Hiring Check for short circuits across the NA servomotor terminal phases U V beige Pone meo and W or between the grounding The cable may be short circuited niin circuit cable and servomotor terminal phases U Replace the cable V or W Refer to 3 7 Main Circuit Wiring Check for short circuits across the servomotor terminal phases U V Short circuit or ground fault and W or between the grounding The servomotor may be faulty inside the servomotor and servomotor terminal phases U Replace the servomotor V or W Referto 3 7 Main Circuit Viring Check for short circuits across the servomotor connection terminals U Short circuit or ground fault V and W on the SERVOPACK or The SERVOPACK may be faulty inside the SERVOPACK between the grounding and terminal Replace the SERVOPACK U V or W Refer to 3 7 Main Cir cuit Wiring Incorrect wiring or contact fault Check the wiring Refer to 3 7 Con T cing Roget er Comm wig p 1 Check the power consumed by DB Hades iri resistance Un00B to see how Change the SERVOPACK model SERVOPACK at entl many times the DB has been used operating conditions or the mecha activated or tbe DB plius cud Or check the alarm history display nism so that the DB does not need alarm occurred Fn000 to see if the DB overload to
105. nly Check the motor control method and the functions available Simple V f with PG was enabled while not in V f Control H6 01 3 Tose Simple vie PG ensure the motor control method has been se ue oni i i i i 3 In Open Loop Vector Control n2 02 is greater than n2 03 Correct parameter settings so that n2 02 is less than n2 03 In Open Loop Vector Control C4 02 is greater than C4 06 Correct parameter settings so that C4 02 is less than C4 06 Set the correct motor code in accordance with the motor being used E5 01 When using a en pude motor set E5 LIL in accordance with the Test Report provi In PM Open Loop Vector Control parameters E5 02 to E5 07 are set to 0 M deere esr dd truc in PM Open Loop Vector Control Set ES 09 or E5 24 to the correct value and set the other to 0 E5 09 and E5 24 are both equal to 0 or neither equals 0 Set thie motor tied current for PM to 9 E3103 Note Use U1 18 to find which parameters are set outside the specified setting range Other errors are given precedence over oPE08 when multiple at the same time RET rA LED Oper PID control function selection is incorrect Requires that PID control is enabled b5 01 1 to 4 The following simultaneous contradictory settings b5 15 not 0 0 PID Sleep Function Operation Level Thestopping method is set to either DC injection braking or coast to stop with a timer b1 03
106. nly dropped Measure the power supply voltage Replace the SERVOPACK System Checksum The power supply went OFF Check the circumstances when the The SERVOPACK may be faulty Error 1 while setting an utility function power supply went OFF Replace the SERVOPACK The parameter data in Tum the power supply ON and OFF er s LsERVOPACK fuit y several times If the alarm still The SERVOPACK may bc faulty occurs the SERVOPACK may be Replace the SERVOPACK faulty 030 Main Circuit Detector A SERVOPACK fault occurred E LLL Ronse Oe SERVOPAEK S T Error The SERVOPACK and servomo ie Select the proper combination of d capacities do not match each AE MM vencer eclia SERVOPACK and servomotor A 040 other capacities The SERVOPACK may be faulty Parameter Settin Enord g A SERVOPACK fault occurred Replace the SERVOPACK The parameter setting The parameter setting is outof Check the setting ranges of the Set the parameter to a valuc within was out of the setting the setting range parameters that have been changed the setting range range k the el ic I Check the electronic gear ratio The Set the electronic gear ratio in the The electronic ag ratio is out of rust satisfy ge 0 001 Pn20E Pn210 e setting rang 0 001 lt Pn20E Pn210 lt 4000 lt 4000 9 1 Alarm Displays Encoder Output Pulse Setting Error A 042 Parameter Combination Error A 044 Semi closed Ful
107. o has a short term overload rating in addition to the possible solutions provided below Reduce the load Increase the acceleration and deceleration times Check the values set for the motor protection L1 01 L1 02 as well as the motor rated current E2 01 Increase motor capacity F Check the ambient temperature The air around the motor is too hot e Cool the area until it is within the sp B ee Perform Auto Tuning The drive is o g in a vector control mode but Cal iip culate the motor value and reset the motor parameters Auto Tuning has not yet been performed Change the motor control method to V f Control A1 02 0 256 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 9 Troubleshooting without Fault Display When the ihe motor is connected to o terminals Um V T2 and WT npe surges occur E between the motor coils and drive switching Normally surges can reach up to three times the drive input power supply voltage 600 V for Insufficient voltage insulation between motor phases 200 V class and 1200 V for 400 V class Use a motor with voltage tolerance higher than the max voltage surge Use a motor designed to work specifically with a drive when using a 400 V class unit Install an AC reactor on the output side of the drive im drive is in the incorrect motor contral mi eth od for Rotational Check if the drive is
108. o two multi function inputs Excludes Not used and External Fault The Up command was set but the Down command was not or vice versa settings 10 vs 11 The Up 2 command was set but the Down 2 command was not or vice Ensure all multi function inputs are assigned to different functions Re enter the multi function settings to ensure this does not occur Correctly set functions that need to be enabled in combination with other functions j a E d wa a an tae command for a 2 Wire sequence was set H1 O1D 42 but forward reverse command H1 LIL 43 was not Correctly set functions that need to be enabled in combination with othe D sry dd is set to multi function input S1 or S2 H1 01 6A or functions Two of the following functions are set at the same time Up 2 Down 2 Command 75 vs 76 Hold Accel Decel Stop A Analog Frequency Reference Sample Hold 1E et Frequency 1 2 3 Calculations 44 45 46 Checkifcontradictory settings have been assigned to the multi function input terminals at the same time Correct setting errors Settings for NC and NO input for the following functions were selected at the same time T WS Cu EE ey CE A vs Fast Stop N O and Fast Stop N C 15 vs 17 KEB for Momentary Power Loss and High Slip Braking 65 66 7A 7B vs 68 Motor Switch Command and Accel Decel Time 2 16 vs 1A KEB Co
109. oder cable must be tinned annealed copper shielded twisted pair or screened unshielded twisted Use the specified encoder cable pair cable with a core of 0 12 mm min Noise interference due to length of Check the length of the encoder The encoder cable must be no more encoder cable cable than 50 m Noise interference due to damaged Check if the encoder cable is bent Replace the encoder cable and mod encoder cable and the sheath is damaged ify the encoder cable layout Excessive noise to the encoder Check if the encoder cable is bun Correct the encoder cable layout so cable dled with a high current line or near that no surge is applied 8 high current line The FG potential varies because of tafiu nos fom machines on the der pass a machines are correctly Properly Lied ju mona to vomotor side such as the welder gro F Check if there i terfi m SERVOPACK pulse counting error Sn the UA signal line from M Take measures against noise in the The servomotor largely vibrated during execution of tuning less function Check the servomotor speed wave form Mounting is not secured Noise interference due to incorrect VO signal cable specifications Use the specified I O signal cable Noise interference due to incorrect encoder cable specifications due to noise interference encoder encoder wiring Check if vibration from the mach
110. onditions and A 710 t iei aene edic MER characteristics and executed run operating conditions Or increase A 720 air pido command the servomotor capacity Overload Excessive load was applied dur A 710 High Load ing operation because the servo Check the executed operation refer A 720 Low Load motor was not driven due to ence and servomotor speed Remove the mechanical problems mechanical problems The SERVOPACK may be faulty AsmomCKR nmi e be SPRVOPACK Take measures to ensure the servo He baec rotates because Check the operation status motor will not rotate because of kia external force A 730 Reconsider the following oras Ic Brake Reduce the servomotor reference ria m The rotating energy at a DB stop Check the power consumed by DB speed Y n exceeds the DB resistance capac resistance Un00B to see how Reduce the moment of inertia JAR ABEND DONET IA many times the DB has been used ratio Dace aay Reduce the number of times of s the DB stop operation The SERVOPACK may be faulty A SERVOPACK faat oema pepin ae SER OPAC A740 The inrush current limit resistor operation frequency at the main Overoad of Suge el pone ply ONOFF morgen sen ei Current Limit Resistor operation exceeds the allowable P pply The main circuit power range is tumed ON OFF too The SERVOPACK may be faulty Sear pence SE unding ai ioii Decrease the surrounding air tem Diah nS e usingat
111. onnected properly Remove and ground shorts and reconnect loose wires el Troubleshooting E m MEMOBUS Modbus Communication Error Contro data was not received correctly for two seconds lt aad Check options available to minimize the effects of noise Counteract noise in the control circuit wiring main circuit lines and ground wiring Reduce noise on the controller side Use surge absorbers on magnetic contactors or other equipment causing the A data error occurred due to noise disturbance Use cables recommended by Yaskawa or another type of shielded line The shield should be grounded on the controller side or on the drive input power side Separate all wiring for communications devices from drive EK power lines Install an EMC noise filter to the input side of the drive i Communication protocol is incompatible oe aid PATE er rid as well as the protocol setting in the controller YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 243 6 5 Alarm Detection Check the PLC Change the software settings in the PLC Set a longer CE detection time H5 09 The CE detection time H5 09 is set shorter than the time required for a communication cycle to take place Incompatible PLC software settings or Check the PLC ae isa hardware problem Remove the cause of the error on the controller side Sissons the connector for a signal through the cable
112. onsi GG AA E CEMRRINUE the multi function analog input settings Check if analog input A1 or A2 is set for frequency reference gain H3 02 10 1 If so check if the correct Seal is applied to the terminal The gain and the frequency reference will be 0 if no signal is applied to the gain inpu Check if H3 02 and H3 10 have been set to the p values Check if the analog input value has been set properly st OF button was pressed When the button is paa the drive will decelerate to stop when the drive was started from Switch off thc run command and then re enter a run command Execute Rotational Auto Tuning If the motor cables are replaced with longer cables after Rotational Auto Tuning was performed Auto Tuning may need to be repeated due to voltage drop across the line Check if the torque limit parameters have been set too low L7 01 through L7 04 Reset the torque limit back to its default setting 200 voltages E1 08 and E1 10 The drive is set for a 3 Wire sequence when one of parameters H1 03 through H1 07 is set to 0 The drive is set for both 2 Wi owe and 3 Wire sequence at the sima od Orve 18 Supposed to be set up for a 2 Wire sequence then ensure parameters H1 03 through H1 07 are not ame If the drive is supposed to be set up for a 3 Wire sequence then H1 O0 must be set to 0 e motor wiring Switch two motor cables U V and W to reverse motor direction Phase wiring between the
113. orque on page 51 Check the voltage from the drive input power Review the possible solutions for stabilizing the drive input power Disable Input Phase Loss Detection L8 05 0 PF is detected if DC bus ripple is too high If it is disabled there is no fault but the ripple is still too high thereby the capacitors are stressed more and lose lifetime Las poor balance between voltage Stabilize drive input power or disable phase loss detection Check the maintenance time for the capacitors U4 05 Replace the drive if U4 05 is greater than 90 Check for anything wrong with the drive input power f nothing is wrong with the drive input power try the following solutions if the alarm continues Disable Input Phase Loss Protection selection L8 05 0 PF is detected if DC bus ripple is too high If it is disabled there is no fault but the ripple is still too high thereby the capacitors are stressed more and lose lifetime Motor hunting occurs There is excessive fluctuation in the drive input power voltage S e ERES a ees LED Operator Dis Sp oes ee een anes TEE S ranlt di d P5o ao Pe Disconnect for Simple V f with PG INo PG pulses are received for longer than the time set to F1 14 ng is wron Motor brake engaged Ensure the motor brake releases properly Ge
114. ossible Solutions Output H a 10 Measure the current flowing through the motor Load is too heavy Reduce the load or increase the capacity of the drive YES Calculate the torque required during acceleration and for the inertia moment If the to level is not right for the load take the following steps Increase siste pingi dui o ecler times C1 01 through C1 08 apacity of the drive Check the motor capacity ada a motor appropriate for the drive Ensure the motor is within the allowable capacity o Troubleshooting Acceleration and deceleration times are too short A special purpose motor is being used or the drive is attempting to run a motor ande than the maximum allowable YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 245 6 5 Alarm Detection Heatsink Overheat The temperature exceeded the maximum allowable value Minor Fault Possible Solutions Output Check the surrounding temperature Improve the air circulation within the enclosure panel Install a fan or air conditioner to cool surrounding arca ing near drive that may cause extra heat Replace the cooling fan Refer to Cooling Fan Replacement on page 269 After replacing the drive reset the cooling fan maintenance parameter to 04 03 0 Provide proper installation space around the drive as indicated in the manual Refer to Correct Installation Orientation on page
115. ply is Measure the voltage at each phase Balance the power supply by chang Open Phase unbalanced of the three phase power supply ing phases With the main power A single phase power is input supply ON voltage was without setting Pn00B 2 low for more than 1 sec supply hm a for Pacha ile Check bs power supply and the Match the Pune setting to the ond in an R S or T SERVOPACK to 1 single phase P27 meter setting power supply phase wer supply Detected when the main ioe iid power supply was turned Tum the power supply OFF and ON A SERVOPACK fault occurred then E sd faulty Replace the SERVOPACK The contact between the digital mro CPF00 operator and the SERVOPACK is Check the connector contact ie P do ER er er Digital Operator faulty Tep Transmission Error 1 Malfunction caused by noise Keep the digital operator or the interference cable away from noise sources Disconnect the digital operator and A digital operato curred then re connect it 1f the alarm still CPFO1 pital FU oE occurs the digital Operator may be Digital Operator faulty Replace the digital operator Transmission Error 2 Tum the power supply OFF and then ON again If the alarm still occurs the SERVOPACK may be faulty Replace the SERVOPACK A SERVOPACK fault occurred 9 2 Waming Displays eee 92 Waming Displays 9 2 Warning Displays The following sections describe troubleshooting in response to warning di
116. ration will be completed after the unit power is turned OFF Disconnect the USB Memory Turn the power ON after 10 seconds When the screen is activated open Menu Version to confirm the current version 21k 12 Confirm that the version has been changed to 1 008 on the screen M softvare ecreen 2 2 3 Cancel 1 If the version upgrade has to be canceled press the key 2 13 3 Press the key to confirm that the graphic data is not updated MP software Ver PELA Screen Ver v8 004 t c IE ne ea ufi This completes the cancel operation 2 14 6 3 Drive Alarms Faults and Errors Types of Alarms Faults and Errors Check the LED operator for information about possible faults if the drive or motor fails to operate Refer fo Using the Digital LED Operator on page 70 If problems occur that are not covered in this manual contact the nearest Yaskawa representative with the following information Drive model Software version Date of purchase Description of the problem Table 6 4 contains descriptions of the various types of alarms faults and errors that may occur while operating the drive Contact Yaskawa in the event of drive failure Table 6 4 Blin of SM nouns and Errors _ Wien ihe ave detects a fault The digital operator displays text that indicates the specific fault and the ALM indicator LED remains lit until the faul is reset The fault in
117. rect run command source Source that provides the run i Control circuit terminal default setting 2 MEMOBUS Modbus communications Check for a short circuit between terminals H1 and HC One of the Safety Inputs is open See if one of the Safety Inputs is open Correct any faulty wiring There is faulty wiring in the Check the wiring for the control terminal neat n Correct wiring mistakes control circuit terminals Check the in a terminal status monitor U1 10 Check parameter b1 01 Frequency Reference Selection 1 Set b1 01 to the correct source of the frequency reference The drive has been set to accept 0 LED o r the frequency reference from the 1 Control circuit terminal default setting incorrect source 2 MEMOBUS Modbus communications 3 Option card 4 Pulse train input RF The terminal set to accept the If the frequency reference is set at terminal Al check parameter H3 01 for the correct signal level selection If main speed reference is set to the terminal A2 is used check DIP switch S1 Then select the correct input level for terminal A2 in parameter H3 08 incorrect voltage and or current Refer to DIP Switch S1 Analog Input Signal Selection on page 62 ency reference monitor U1 01 ency by changing the maximum ou YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 255 o Troubleshooting 6 9 Troubleshooting without Fault Display eee See TS V 4 PossibleSoluti
118. ressing more than one time the operation will be cleared and the function will not move correctly wee ei Be Be ew eww wee a 4 Po a o wo we o am m P e c a a d o o o es oo oe a 4 Please press the DK ey The project password screen is shown in following picture appears Confirmation SN Tele reta ue Bs sd 3 Enter the Project meu 2 8 6 Please enter password by keyboard Caution Password is attached with program Password is attached with program SS E 7E Enter the Project password Caution Press each key at only one time firmly from next operation If pressing more than one time the operation will be cleared and the function will not move correctly 2 9 Paras duy PU 2 10 9 The screen shows transferring data as indicated below Now writing in flash memor TES 11 The transfer was completed CPU will run 12 Please press the key SEN zo Na 2 12 13 The transfer is completed 14 The transfer operation will be completed after the unit power is turned OFF Disconnect the USB Memory Turn the power ON after 10 seconds To turn the machine off please press the Key on Menu Screen 2 13 15 When the screen is activated open Menu gt Version to confirm the current version 17 This upgrade procedure is now completed 2 14 3 Cancel t w j lt
119. rial converter unit and Feedback Option SERVOPACK Module inati Cable between serial converter i Error nit and SERVOPACK is too Measure the length of this cable Use 20 m cable max long Confirm the extemal encoder wir ing specifications Use the specified cable Sheath of cable between serial converter unit and SERVOPACK Check the cable for damage Replace the cable o is broken Noise interferes with the cable F A CF2 2 between serial converter unit and s Feedback Option SERVOPACK B Module E Communications Error A serial converter unit fault Timer stop occurred A SERVOPACK fault occurred 2 The alarm that may occur in a SERVOPACK with Fully closed Module Replace the seria converter unit Correct the wiring around serial converter unit e g separating VO signal line from main circuit cable or grounding Replace the SERVOPACK 9 17 9 Troubleshooting 9 OUT e a 9 1 2 Troubleshooting of Alarms cont d Prin ative Actions i m NOR 2 Y uus 3 ar erie yal M z EE Confim that there i is no contact The servomotor U V and W wir Check the servomotor main circuit fault in the motor wiring or encoder ings is faulty cable connection wiring Reduce the position reference speed or acceleration of position refer ence Or reconsider the electronic gear ratio Reduce the reference acceleration Reduce the reference
120. ring citferent from the Check if vibration from the machine E position when the Excessive vibration and shock to occurred or servomotor installation Reduce Sasi from the machine power was next the encoder is incorrect mounting surface accu 9 Sour the servomotor installa turned ON racy fixing alignment etc non An encoder fault occurred pooo o ERUJ Replace the servomotor A SERVOPACK fault occurred Tbe pulse sount does o chaage Freee SERVOPACK Check the error detection section of Correct the error detection section the host controlier of the host controller d Check if the host controller is exe Execute a multiturn data parity eae multiturn data read ing data parity checks eck Check noise in the cable between Take measures against noise and the SERVOPACK and the host con again execute a multitum data par troller ity check Correct the speed loop integral time constant Pn101 Noise interference due to improper encoder cable specifications Use the specified encoder cable 9 28 Overtravel OT Improper Stop Position by Overtravel OT Signal 9 3 Troubleshooting Malfunction Based on Operation and Conditions of the Servomotor cont d 3studa A the external power supply 24 V voltage for the input signal 424 V voltage Check if the overtravel limit switch Forward or reverse run prohibited operates properly
121. river board Replace the drive Contact Yaskawa for assistance Motor impedance or motor phases uneven f Fee DED Operator Display ibe F oC ok c m sensors have detected an output current greater than the specified overcurrent level Possible Solution The motor has been damaged duc to Check the insulation resistance Heer or the motor insulation is Replace the motor Check the motor cables Remove the short circuit and power the drive back up One of the motor cables has shorted out or there is a grounding problem Check the resistance between the motor cables and the ground terminal Replace damaged cables Measure the current flowing into the motor Replace the drive with a larger capacity unit if the current value exceeds the rated current of the The load is too heavy drive Determine if there is sudden fluctuation in the current level Reduce the load to avoid sudden changes in the current level or switch to a Jarger drive Calculate the torque needed during acceleration relative to the load inertia and the specified acceleratio time Measure the line to line resistance for each motor phase Ensure all values are the same Replace the motor Contact Yaskawa for assistance are E s The acceleration or deceleration times are too If the right amount of torque cannot be set make the following changes short Increase t
122. set to V f Control liy accident A1 02 D Change the motor control method to Open Loop Vector Control A1 02 2 f Dr CEDSBOSSIDIe Solutlons Excess load i inertia can cause motor bunting in Open Loop Vector Control due to slow motor response Increase the speed feedback detection control time constant n2 02 from its default value of 50 ms to an appropriate level between 200 and 1000 ms Adjust this setting in combination with n2 03 Feedback Detection Control Time Constant 2 Leads UY a lot ofi inertia ppm etc can trigger an eee fault re operating i Loop Vector Control Switch to the V f motor control method Adjust the values set for the speed feedback detection control time constant Take tbe following fea to qium the problem Reduce the load Increase the acceleration time Increase motor capacity Although the drive has a Stall Prevention function and a Torque Compensation Limit pean accelerating too quickly or trying to drive an excessively large load can exceed the capabilities of the motor Check for low gain level set to terminals A1 or A2 H3 03 H3 11 Reduce the load so that the output current remains within the motor ated current Load is too heavy n extruder and mixer applications the load will sometimes increase as the tempera Check if the mechanical brake is releasing as it should The torque limit function is Check the to ete rque limit setting It may be
123. splays The warning name and warning meaning are listed n order of the warming numbers in 9 2 1 List of Warnings The causes of warnings and troubleshooting methods are provided in 9 2 2 Troubleshooting of Warnings 9 2 1 List of Warnings This section provides list of warnings Qui i j i Position error exceeded the parameter setting i Position Error Overflow PnS20xPn51E 100 PY Positlon Error Overflow When the servomotor power turns ON the position error exceeded the H Alarm at Servo ON parameter setting Pn 26xPn528 100 Overload This warning occurs before the overload alarms A 710 or A 720 occur If H the waming is ignored and operation continues an overload alarm may occur T Abnormal vibration at the motor speed was detected The detection level is H Vibration the same as A 520 Set whether to output an alarm or warning by the vibra tion detection switch Pn310 This warning occurs before the regenerative overload alarm A 320 occurs Regenerative Overload If the warning is ignored and operation continues a regenerative overload i alarm may occur SU This warning occurs before dynamic brake overload alarm A 731 occurs If Z Dynamic Brake Overload the warning is ignored and operation continues a dynamic brake overload a alarm may occur AS E av i pedis trier BAN Incorrect command parameter number was set ii Ou x oting Waming 2 Command input data is out of range e ut of Range 4 Data Set
124. stor is not Check the cxternal regenerative Connect the external regencrative connected i n aluc of resistor or set Pn600 to 0 if no e An external regenerative resis resistor connection and the v A tor is not comected to th i esis the Pn600 regenerative resistor is required SGDV 470 SGDV 550 SGDV 590 SGDV 780 SGDV 210 SGDV 260 SGDV 280 or SGDV 370 SERVOPACK The jumper between the power Confirm that a jumper is mounted supply terminals B2 and B3 is between the power supply terminals Correctly mount a jumper temoved B2 and B3 Merk cde ari cas Check the external regenerative Correctly connect the external Semavtd ur disconn mid 4 resistor connection regenerative resistor While the main circuit power sup ply is OFF tum the control power supply OFF and then ON again If A SERVOPACK fault occurred the alarm still the SERVO PACK may be faulty Replace the SERVOPACK The power supply voltage Set the power supply voltage within exceeds the specified limit Measure the power supply voltage the specified range Insufficient external regenerative Change the regenerative resistance resistance regenerative resistor egi the operating condition or regenerative resistor capacity or capacity or SERVOPACK capac the capacity using the capacity SERVOPACK capacity Reconsider ity selection Software SigmaJunma the operating conditions using the Or regenerative power has b
125. t dn jrveDiabed ves 240 d JRL dWAL jDrveWoksEZAlnm o o ves 2 4 EP EF RunCommandInputEmor OYES 24 Fb FOH Excessive PID Feedback ves m Hhb Heb SaeDisbeSipalhut 1 YES 24 HbbF HebF Safe Disable Signal Input O YES 25 oH oH Heatsink Overheat ves z6 ok oH2 DrveOvehet o ves 286 oHj s MeerOvea YES 24 246 ot ols Mechanical Weakening Detectiont ves 246 05 eS _ Overspeed for Simple VfwihPG YES 27 ov ov jOvmoge o S ves 27 230 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 3 Drive Alarms Faults and Errors VAS ASCESSRIEORGI E coc ioName cic iE Lo Miner Fal Output MEMOBUS Modbw Test Mode Complete Noowpt 247 rUn During Run 2 Motor Switch Command pu YES L vis 7 vis Undertorque 2 Mechanical Weakening Detection 2 2 2 247 247 247 247 247 48 41 248 oPEOI Drive Unit Setting Error oPEGe oPEO
126. ter sera are Pipes ETUR s the overspeed detection level and the overspeed detection time YES DC Bus pein ge The DC bus voltage exceeded the trip point For 200 V class approximately 410 V For 400 V class approximately 820 V 740 V when E1 01 lt 400 rcs a Possible Solutions mo ern Install a DC reactor or an AC reactor Sape volage present in the drive input Voltage surge can result from a thyristor convertor and a phase advancing capacitor power operating on the same drive input power system The motor is short circuited Ground current has over charged the Check the motor power cable relay terminals and motor termina box for short circuits main circuit capacitors via the drive Correct grounding shorts and tum ihe power back on Overshoot or undershoot is occurring Review possible solutions for handling noise interference Review section on handling noisc interference and check control circuit lines main circuit lines and ground wiring rhe mere contactor is identified as a source of noise instal a surge protector to e coil MEMOBUS Modbus Conn Test Mode Co m olete Miner Foni Possible Solutions cu ls 10 BASE PASS P5o Tee NT PG Disconnect for Simple V f with PG Detected when no PG pulses received for a time longer than setting in F1 14 ENS INNEN Possible Solutions Output H2 LIL 10 Pulse input RP is
127. terrupts drive output and the motor coasts to a stop Depending on the setting the drive and motor may sto m different methods than listed If a digital output is programmed for fault output H2 O0 E it will close if a fault occurs When the drive detects a fault it will remain inoperable unti that fault bas been reset Refer to Fault Reset Methods on pape 254 When the drive detects an alarm or a minor fault The digital operator displays text that indicates the specific alarm or minor fault and the ALM indicator LED flashes The motor does not stop One of the raul funem contact outputs closes if set to be tripped by a minor fault H2 00 10 but not by an alarm The digital opere di Jays text indicating a specific alarm and ALM indicator LED flashes is Remove the cause of an or minor fault to automatically reset i When parameter settings conflict with one another or do not match hardware settings such as with an option card it results jin an operation error When the ens detects an operation error Eo The digital operator displays text that indicates the specific error sid Multi function contact outputs do not operate siri When the drive detects an operation error it will not operate the motor until the error has been reset Correct the settings i jthat caused the operation error to reset Tuning errors occur while performing Auto Tuning When the drive detects a tuning error The digital operator displays te
128. the actual position exceeded the set value of the overfiow rotation amount of the motor output shaft Synchronous communication error The watchdog timer is not refreshed correctly Transmission period setting error Red MECHATROLINK The transmission period set by the master is not e supported 6 blinks Red solid communication error ppo MECHATROLINK communication error A CRC error or other communication error generated at least twice consecutively B7h Insufficient ABS battery voltage The ABS backup battery voltage dropped to or absolute specification only below the specified value Power was turned on for the first time after the battery was connected e Battery is not connected or has been consumed Absolute position loss The motor cable was disconnected when the absolute specification oniy main power was OFF The battery cable became open or a fuse was blown e The multi rotation operation range was Red Green sold exceeded phase 2 3 or 7 blinks OFF 7 Both the LS and LS sensors were detected in amp LS signals logic error the LS signals enable mode The LS signal on the side opposite to the operating direction was detected during a return to home operation in the 3 sensor mode or 2 sensor mode when the retum to home operation selection bit was set to 1 LS signals reverse connection error The retum to home sequence did not end property Return to home operation error Troubleshooting and rem
129. the encoder wiring Excessive vibration and shocks Reduce the machine vibration or A C92 were applied to the encoder Check the operating enviroament correctly install the servomotor Encoder Turn the power supply OFF and Communications An encoder fault occurred then ON again If the alarm still Timer Error occurs the servomotor may be faulty Replace the servomotor Tum the power supply OFF and then ON again If the alarm still A SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK Tum the power supply OFF and then ON again If the alarm still An encoder fault occured occurs the servomotor may be A CAQ faulty Replace the servomotor Encoder Parameter Error kar on power ed OFF ns en again e alarm sti A SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK 9 16 9 1 Alarm Displays U MM ae jdn T nl A a sum Peer ea The encoder wirin and contact wr Check the encoder wiring Correct the encoder wiring Use tinned annealed copper shielded twisted pair or screened unshielded twisted pair cable with a core of at Jeast 0 12 mm Noise interference occurred due to incorrect encoder cable specifi cations Noise interference occurred because the wiring distance for the encoder cable is too Jong The wiring distance must be 50 m max The FG potential varies because
130. ting Waming 3 Calculation Error Calculation error was detected in Data Setting Warning 4 I Parameter Size Data size does not match OLINK Lach tous Peri 5 Latch mode error is detected uzism Command Warning 1 Command was sent although the conditions for sending a command were not Eck 3 Unsatisfying Command satisfied 34 Command Warning 2 174 Non supported Command Unsupported command was sent a Command Warning 4 z Command Interference Command especially latch command interferes lt 4 Command Warning 5 A Subcommand Disable Subcommand and main command interfere 4 Command Warning 6 Undefined Command Undefined command was sent j MECHATR ES Mn Communications Warning Communications error occurred during MECHATROLINK communications PSI Undervolta This warning occurs before undervoltage alarm A 410 occurs If the warn pco TOPEVOROON ing is ignored and operation continues an undervoltage alarm may occur AY Overtravel is detected while the servomotor power is ON Note If Pn008 2 1 does not detect warning is selected no warnings will be detected except for an undervoltage warn ing A 971 e amp 8 pd 2 2 3 2 LT 9 21 9 22 9 Troubleshooting 9 2 2 Troubleshooting of Wamings 9 2 2 Troubleshooting of Warnings Refer to the following table to identity the cause of a warning and the action to be taken Contact your Yaskawa representative if the problem c
131. tor cooling system CDESBSS Gee nl RENE i Minor Fault Names OE et Minor Fault Cause Possible Solutions utput H2 0 Inappropriate parameter settings Check parameters 16 02 and L6 03 There is a fault on the machine side e g Check the status of the machine the machine is locked up a cra Pecans Possible Solutions Parameter settings are not appropriate Check parameters L6 05 and L6 06 There is a fault on the machine side e g Check the status of the machine being used the machine is locked up Remove the cause of the fault ie oe er er Mechanical Weakening Detection 1 Overtorque occurred matching the conditions specified in L6 08 Minor Fault Possible Solutions Output H2 003 10 Overtorque occurred triggering the mechanical ES EET ce LED Operator Displays 7 e E 246 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 5 Alarm Detection S Overspeed for Simple V f with PG o Pulse input RP indicates that motor speed feedback exceeded F1 08 setting Mor rae Possible Solutions Adjust the gain Hc using ee Loci train input parameters H6 02 through H6 05 Adjust the speed feedbac Increase the sen for cai 01 Speed Control Proportional Gain 1 and reduce C5 0 Speed Contro Integral Time 1 i i Scaling 100 the number of pulses maximum PG pulse settings are incorrect eue D Train Input g en pulses during Parame
132. tor for information about possible faults if the drive or motor fails to operate Refer to Using the Digital LED Operator on page 70 If Posi occur that are not covered in this manual contact the nearest Yaskawa representative with the following information Drive model Software version Date of purchase Description of the problem Table 6 4 contains descriptions of the various types of alarms faults and errors that may occur while operating the drive Contact Yaskawa in the event of drive failure Table 6 4 Types of E re and Errors When the drive detects a fault The digital operator displays text that indicates the specific fault and the ALM indicator LED remains lit until the fault is reset The fault interrupts drive output and the motor coasts to a stop Depending on the setting the drive and motor may sto td different methods than listed Ifa digital output is programmed for fault output H2 D E it will close if a fault occurs b the drive detects a fault it will remain inoperable until that fault has been reset Refer to Fault Reset Methods on page 254 When the drive detects an alarm or a minor fault The digital operator displays text that indicates the specific alarm or minor fault and the ALM indicator LED flashes The motor doces not stop One of the multi function contact outputs closes if set to be tripped by a minor fault 12 00 10 but not by an alarm The digital operator displays
133. tum the power back on Check the resistance between the cable and the ground terminal Replace the cable The leakage current at the drive output is too Reduce the carrier frequency high Reduce the amount of stray capacitance The value set exceeds the allowable setting range while the drive automatically adjusts the current offset this happens only attempting to restart a PM motor that is coasting to stop Enable Speed Search at start 63 01 1 Perform Speed Search 1 or 2 H1 LIL 61 or 62 via one of the external terminals Note Speed lt Search 1 and 2 are the same when using PM OLV Phase loss on the output side of the drive Phase Loss Detection is enabled when L8 07 is set to 1 or 2 Possible Solution Check for wirin Correct the wiring Check the resistance between motor lines Replace the motor if the winding is damaged Apply the tightening torque specified in this manual to fasten the terminals Refer to Wire Size and Torque Specificadons on page 57 o gt Troubleshooting YASKAWA ELECTRIC SIEP C7 10606 16A YASKAWA AC Drive V1000 Technical Manual 235 6 4 Fault Detection Terminal wires on the output side ofthe drive Apply the tightening torque specified in this manual to fasten the terminals Refer to Wire Size and are loose Torque Specifications on page 57 INo signal displays from the gate d
134. tween 1 0 and 3 0 Hz Slipping wey occur when stopping because hysteresis is used in Frequency Reference 2 bero th cy agree setting in L4 02 is 2 0 Hz To prevent this change the setting s 0 1 Hs Do d use the multi function contact output setting During Run H2 01 0 for the brake Lower the carrier t Cea Install a noise filter on the input side of drive input power Relay switching in the drive Install a noise filter on the output side of the drive Place the wiring inside a metal conduit to shield it from switching noise Ground the drive and motor properly Separate the main circuit wiring and the control lines ncrease the GFCI mem or use GFCI with a higher threshold Excessive leakage current trips Lower the carrier cy C6 02 Reduce the length of the cable used between the drive and the motor Install a noise filter or reactor on the output side of the drive m Connected Machinery Vibrates When Motor Rotates Ee Mid and Erai notation Note The drive may have trouble assessing the status of the load duc to white noise generated when using Swing PWM C6 02 7 to A icri or E Punting dbe followed with an increase in the primary delay time constant n ion Primary Delay Time Insufficient tuning in Open Loop Vector Control n2 01 Speed F Feedback Detection Control AFR Time Constant 1 C3 02 Slip Compensation Primary Delay Time The response for torque compensation and sl
135. type of motor when attempting to operate at 1096 reference of the speed reference Set and carefully adjust the following parameters in the order listed n8 45 Speed Feedback Detection Suppression Gain n8 55 Load Inertia for PM Motors C4 02 Torque Compensation Primary Delay Time Increase the S curve time at the start of acceleration C2 01 DETIENE EET a SRN Motor hunting occurs 260 YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 6 9 Troubleshooting without Fault Display E Motor Does Not Operate When the RUN Button on the Digital Operator is Pressed CL ISO E Ca se Uu m eoru UNE Possible Solutions 1 3 5X cx The LOCAL REMOTE mode is not selected Press the LOCAL REMOTE button to switch The LO RE LED should be on for LOCAL properly mode The drive is not in drive mode A run command will not be issued Exit to the drive mode and cycle the run command If the frequency reference is set below the frequency set in E1 09 Minimum Output The frequency reference is too low Frequency the drive will not operate Raise the frequency reference to at least the minimum ou f the frequency reference is set below the frequency set in E1 09 Minimum Output Frequency the drive will not operate Raise the f reference to at least thc minimum outp is Connected Uic possible Sou Directi paren poly erse Prohibit Operation is
136. uce the number of times of the DB stop operation A SERVOPACK fault The SERVOPACK may be faulty occurred Replace the SERVOPACK The battery connection Check the battery connection Reconnect the battery is incorrect The battery voltage is lower than the specified Measure the battery voltage Replace the battery value 2 7 V A SERVOPACK fault The SERVOPACK may be faulty occurred Replace the SERVOPACK Disabled parameter ier neta ap E ni pum Attemp c ted to send val Set the value of the parameter within S ues outside the range to the allowable range 8 the command data S 5 3 Calculation result of set Set the value of the parameter within value is incorrect the allowable range 9 23 9 24 9 Troubleshooting 9 2 2 Troubleshooting of Wamings cont d EET Y A 94D Deta Setting Parameter size set in ihe cor e diraze Warning 4 command is incorrect Use thea F Parameter Size A S4E Change the setting value of Pn850 or Data come Latch mode error is the LT_MOD data for the Warning detected LTMOD_ON command sent by the Latch mode host controller to the proper value error A 95A Wana Command sending con Send a command after command AX dition is not satisfied sending condition is satisfied Unsatisfying Command A 95B Command Warming 2 SERVO ree Do not sent an unsupported command Non supported SUPP Command CE d Command sending con Warning 4 dition
137. unction input terminal for extemal Speed Search command H1 O00 61 or 62 during restart m Output Frequency is not as High as Frequency Reference EUR EOCHUSGC E RU ee iERossibis solutl Adjust the param for the Jump Frequency function d3 01 Bi Frequency reference is set within the range ofthe Enabling the Jump Frequency prevents the drive from outputting the frequencies specified Jump Frequency in the Jump Fre output freq limit for the frequency reference has been appropriate values E1 04 d2 01 co bias The following calculation yields the upper value for the output frequency E1 04 x d2 01 00 B Buzzing Sound from Motor at 2 kHz PIRE SC MeO a UU mum X Possible Sont ons ee o ERE men LA If me Lena Enid rises Z high at oy speeds the carrier frequency automatically reduces and causes a whining or buzzing soun Eee 10 of pippe DER n ofthe ifthe sound is coming from the motor disable carrier frequency derating L8 38 0 operating at lo Disabling the automatic carrier frequency derating increases the chances of an overload fau OL2 Switch to a larg pacity motor if oL2 faults occur too frequently Motor Speed when Using PM or IPM RU CSR PT YE IP o 2 nl The motor code for PM E5 01 is set incorrectly ci parameter ES 01 in accordance with the motor being used The drive is operating at less than 10 of the speed Consult with Yaskawa about using a different
138. ve at ON ences are input and the number of servo ON Pn529 position errors exceeds the valve set for the excessive position error alarm level Pn520 Install the external encoder in the Motor rotation direction and Check the servomotor rotation opposite direction or change the 2 external encoder installation direction and the external encoder setting of the external encoder A d10 lt direction are opposite installation direction usage method Pn002 3 to reverse Motor load Position the direction Error Overflow r Mounting of the load e g stage and external encoder joint instal Check the extemal encoder Check the mechanical joints lation are incorrect A parameter was changed by the Stop changing parameters using digital operator or the personal it the way the parameters are digital operator or personal com computer during MECHA puter during MECHATROLINK II A E02 TROLINK II communications communications MEOHATROLINK I MECHATROLINK IE transmis Remove tbe cause of transmission eect a sation sion cycle fluctuated cycle fluctuation at host controller Error 1 Turn the power supply OFF and then ON again If thc alarm still A SERVOPACK fault occurred occurs the SERVOPACK may be faulty Replace the SERVOPACK A E40 MECHATROLINK Setting of MECHATROLINI T Check the MECHATROLINK II Set the transmission cycle to the Transmission Cycle g cations ran dn P transmission cycle setting proper value
139. xt indicating the specific error Multi function contact outputs do not operate Motor coasts to stop e Remove the cause of the error and repeat the Auto Tuning Alarm and Error Displays B Faults When the drive detects a fault the ALM indicator LEDs remain lit without flashing If the LEDs flash the drive has detected a minor fault or alarm Refer to Minor Faults and Alarms on page 230 for more information Conditions such as overvoltage or external faults can trip both faults and minor faults therefore it is important to note whether the LEDs remain lit or if the LEDs flash Table 6 1E See P is fore fg eo ee FLASH Memory Fault m MES ME cE MEMOBUS Modbus Communication Error ae a xr EEEE eurer A D Conversion Bror _ 252 CPP id CPF14 Control Circuit Faut 233 CPFUJ CPFO3 PWM Data Faut 233 CPF IG BUE NEGOTIUM BAGNO TU UE Comi Circuit Fault CPF IS CPFI9 Control Circuit Fault 233 Drive specification mismatch during CPF B CPFO6 Terminal Board or Control Board placement CPFDS 0 peut Board Communication ES YASKAWA ELECTRIC SIEP C710606 16A YASKAWA AC Drive V1000 Technical Manual 229 B Troubleshooting Excerpted YASKAWA AC Drive V1000 Technical Manual 6 3 Drive Alarms Faults and Errors Types of Alarms Faults and Errors Check the LED opera

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