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Frequently Asked Questions

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  Question Posted Date

The Hardware Configuration launches, but does not appear after using dual displays, is there a way to reset its position?

08/04/2014

The GPD 515/G5 displays a parameter, but does not let me change it. Why?

07/13/2004

The GPD/515G5 instruction manual (TOE-S616-10.13) (pages 21-22) specifies that input fuses should be used on the installation of these drives.--Is fusing required or is a circuit breaker sufficient protection for the inverter?--If fusing is not required, what characteristics of MCCB should used be to protect the drive adequately?

06/08/2007

The E7L will not run the motor in Hand or Auto mode. What can cause this?

10/27/2005

The E7 drive inside the bypass enclosure unit doesn't have the Hand, Off or Auto buttons that are shown in the E7 manual. How can the drive be run locally?

07/13/2004

The E7B bypass unit with the serial communications, option J or option L control comes set up for the start/stop as well as the speed reference to be controlled through serial communication. Is it possible to maintain start/stop control through serial communication while using an analog signal for speed reference?

06/11/2014

The Drive Wizard .PARMS file was edited with another program (ie. Microsoft Word, Notepad) and saved. When reopened with DriveWizard, an error code of "File Error" was displayed on-screen. What is the problem and how can this be corrected?

09/13/2012

The Alarm output on the CACR HR Servopack no longer works. It is always open (or closed) regardless if the servopack is in an alarm state or not. What causes this situation?

03/12/2002

The AC drive repeatedly displays an OV (Overvoltage) fault when the inverter is stopping. What causes this?

06/11/2014

The "sleep" function can only be used when PID is enabled. If an analog (0-10VDC or 4-20mA) signal for speed reference is used, is there any way to use "sleep" without enabling PID?

11/29/2005

SVE -- Fault Code Description

06/08/2007

Specification of 12 pulse input transformer for GPD505/506- PC5/P5 series AC drive.

06/12/2014

Sometimes my machine power-up position is incorrect even though I have an absolute encoder on the motor. What is causing this issue?

05/19/2015

Should motor cable length be a concern when installing an AC drive?, Is it ok to have a motor 300ft from the drive?

06/12/2014

Serial communication is lost intermittently between the building automation system (BAS) and a Lonworks board on the GPD506 / P5 drive. What might be causing this?

06/12/2014

SER - Fault Code Description

06/08/2007

SC - Fault Code Description

06/08/2007

RR -- Fault Code Description

11/16/2009

RR -- Fault Code Description

06/08/2007

RH -- Fault Code Description

06/08/2007

RH -- Fault Code Description

11/16/2009

PUF -- Fault Code Description

11/16/2009

PUF -- Fault Code Description

06/08/2007

Product Demo Documentation: Sigma FSP

06/26/2013

Product Demo Documentation: NS300/NS500

06/26/2013

Product Demo Documentation: MP940

06/26/2013

Product Demo Documentation: MP2300

06/26/2013

Power Line Harmonics and Installation Considerations for AC and DC Drives

06/22/2006

PGO -- Fault Code Description

06/08/2007

PF -- Fault Code Description

11/16/2009

PF - Fault Code Description

06/08/2007

OV -- Fault Code Description

06/08/2007

OV -- Fault Code Description

11/16/2009

OV -- Fault Code Description

06/08/2007

OV - Fault Code Description

06/20/2013

Other than OLV/PM parameters, is there other causes of OPE08?

11/27/2012

OS -- Fault Code Description

06/08/2007

OPR -- Fault Code Description

06/08/2007

OPR - Fault Code Description

02/17/2016

OPE -- Fault Code Description

06/08/2007

OPE11 -- Fault Code Description

06/08/2007

OPE10 -- Fault Code Description

06/08/2007

OPE08 -- Fault Code Description

06/08/2007

OPE07 - Fault Code Description

06/08/2007

OPE06 -- Fault Code Description

06/08/2007

OPE05 -- Fault Code Description

06/08/2007

OPE03 -- Fault Code Description

06/08/2007

OPE02 -- Fault Code Description

06/08/2007

oPA - Fault Code Description

06/08/2007

On what applications should the GPD 506/P5 be used?

11/29/2005

On the V7 Drive are the Logic inputs and the Logic Common terminal (SC) electrically isolated from the Frequency Reference Common (FC)?

07/13/2004

On the V1000 series drive, should the H1, HC circuit be used with an external 24V supply?

10/21/2013

On the J7 drive, can the input reference terminal FR still be used when the drive is programmed for Up/Down control?

06/20/2013

On the GPD 515/G5, If Terminal 1 to 11 are closed, but the GPD515/G5 inverter still does not run. What is wrong?

07/13/2004

On the GPD 515/G5, can the 15V at pin-15 power a proximity sensor?

07/13/2004

On the GPD503, why does the Stop LED continue to flash after the drive has stopped runnning?

06/20/2013

On the A1000 series, if a unidirectional 3-wire control is desired, can the directional digital input (H1-0X = 0) be disabled?

11/13/2013

On an MPiec Series Controller, what information is cleared when the "Initialize SRAM" feature is executed?

08/16/2013

On an MP2600iec, is it possible to use the CN-13 latch input instead of the CN-1 latch input?

02/28/2017

On a linear motor x-x'-y gantry system, what is the best method to control the two x-axes?

06/06/2003

On a GPD 506/P5 Bypass unit, what is the Normal/Test switch used for and when would it be needed in an operation?

07/13/2004

OL4 -- Fault Code Description

09/13/2012

OL3 -- Fault Code Description

06/08/2007

OL3 -- Fault Code Description

06/08/2007

OL3 -- Fault Code Description

06/08/2007

OL3 -- Fault Code Description

06/21/2010

OH -- Fault Code Description

06/08/2007

OH -- Fault Code Description

06/08/2007

OH4 -- Fault Code Description

11/16/2009

OH3 -- Fault Code Description

06/08/2007

OH3 -- Fault Code Description

11/16/2009

Off -- Fault Code Description

09/19/2013

My drive has a CPF25 fault on it, my V1000 manual has no information on this alarm. What are some troubleshooting techniques to apply?

10/29/2012

Must the data type be the same for every variable in a calculation? I get a compile error when I try (REAL := REAL * INT).

05/26/2009

Many new computers do not offer serial communication ports. How is communication possible to Yaskawa products if no serial port is available?

06/25/2013

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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.