Frequently Asked Questions

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  Question Posted Date

When replacing the motor for the application and the heat sink cooling fans. How do I reset Cumulative Motor Operation Time U1-13 and Heat Sink Cooling Fan Operation Time U1-40?


When reading 42h it does not match U1-03? Using Ethernet or Modbus protocols.


When moving away from a overtravel condition, the Sigma V servo system seems to prevent torque or rapidly enable/disable as the axis is moving out of the overtravel region. Can this situation be prevented?


When is it necessary to connect an external regen resistor to the SGDG LEGEND amplifier?


When I install my serial communications option board onto the Z1000 drive in the Z1B cabinet, I recieve alarm OFA00. What am I doing wrong?


When entering Motor Rated Current (parameter E2-01) into an E7 drive, an OPE02 fault appears on the display. What can cause this, and how is the fault cleared?


When dealing with harmonic noise, which is better-- an AC or a DC reactor?


When configuring an IP address in the resource settings of MotionWorks IEC, what are the -TO and -P attributes?


When an MP940 with a 17-bit encoder is being operated, does the encoder resolution need to be reduced?


What Z1000 enclosure types are available?



Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not supersede it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ. All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.