YASKAWA Servopack CACR-SR Series How To Check Download | Manualshive

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H

OW TO CHECK SERVOPACK

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Labels (models number)

1.

Write down the model number of the drive. The model number starts
with

CACR-SR*******

1

WWW.REDRIVE.ZOOVY.COM

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Summary of Contents for Servopack CACR-SR Series

Page 1: ...HOW TO CHECK SERVOPACK Labels models number 1 Write down the model number of the drive The model number starts with CACR SR 1 WWW REDRIVE ZOOVY COM...

Page 2: ...check what numbers or letters appear on the alarm display Alarm display 3 Fault Codes The fault code indicator is a LED display located on the control board There are eleven possible codes 1 7 A B C...

Page 3: ...or Goes ON when power is supplied to the main circuit Defective main circuit Thyristor diode module tripped MCCB trips Goes ON during operation Defective main circuit Goes ON when power is supplied to...

Page 4: ...trol circuit is turned OFF and them ON again the operation starts but the torque is still unavailable Motor circuit error connection such as U V V W W U or single phase connection Correct the connecti...

Page 5: ...FF in order to check out the servo chassis by using a multi meter 5 Test Equipment The basic tool used for troubleshooting a Yaskawa servo is Multimeter must be in Diode Position Digital Multimeter 5...

Page 6: ...cedure Checklist Completed Check RSTUVW on the terminal block Check the regen regenerative transistor Check the diode bridge 1 Check the diode bridge 2 Check the braking transistor Check the resistor...

Page 7: ...7 Resistor Module Braking Transistor Thyristor Module Capacitor Breaker Regen Transistor Power Transistor Module PTM Diode Bridge 1 Diode Bridge 2 7 WWW REDRIVE ZOOVY COM...

Page 8: ...e wrong with servo Place the positive lead of the meter onto the negative lead of capacitor Check R S T U V and W with the negative lead of the meter Then put the negative lead of the meter on the pos...

Page 9: ...of the servo Check for consistency 12 Remove all wires from bottom of terminal strip R W 13 Set your multimeter to a diode symbol and measure as follows your test leads form meter are the red and bla...

Page 10: ...Diode Check 1 Negative capacitor terminal R S T Approximately 0 5 Volts must be consistent with each other 2 Negative capacitor terminal U V W Approximately 0 4 Volts must be consistent with each othe...

Page 11: ...s dissipated across resistors 1 and 2 When checking the regen transistor you are making sure it hasn t been shorted across the emitter and collector Base Collector Emitter 17 Regen Transistor Check Te...

Page 12: ...is results in a smooth braking of the motor Module Terminal 1 Module Terminal 2 Module Terminal 3 19 Diode bridge 1 Check Test Equipment Digital Multimeter Step Multimeter Positive Lead Multimeter Neg...

Page 13: ...urther rectifies the voltage out of the Thyristor into DC voltage which is then sent to the power transistor module 2 2 3 3 1 1 21 Diode Bridge 2 Check Test Equipment Digital Multimeter Step Multimete...

Page 14: ...turn path through the braking resistor for the UVW voltage from Diode Bridge 1 T1 T2 Gate 23 Braking Transistor Check Test Equipment Digital Multimeter Multimeter must be in Ohm Position Step Multimet...

Page 15: ...it is cracked or physically damaged in a similar way 1 Divider Resistor P 1 3 2 2 Braking Resistor 25 Resistor Module Check Test equipment Digital Multimeter Multimeter must be set to 200k ohm and 200...

Page 16: ...wer the servomotor P N 27 Thyristor Module Check Test Equipment Digital Multimeter Multimeter must be in Diode position The Thyristor module is checked using the connector end of its wiring harness Ma...

Page 17: ...measured value is infinite ohms we can conclude that the motor is burned open If the fan is not working then replace the fan 29 Regen Resistor Check On some of the BB models only the Regen resistor i...

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