V74X Drive

FAQs

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  Question Posted Date

OH -- Fault Code Description

06/08/2007

Off -- Fault Code Description

09/19/2013

Is a braking resistor internally installed?

06/20/2013

In troubleshooting LF fault the manual says the output current has exceeded 5% imbalance. How can I calculate this imbalance?

04/01/2014

In some pumping systems the motor speed is normally about 80% of rated motor speed. However, periodic purging of the pumping system requires the pump to go to full speed for a while, then return to normal. How is this done with the V7 Drive?

10/27/2005

How can I set this AC drive so my motor can't run below 20hz? Is it the Frequency min. parameter?

06/12/2014

FAN -- Fault Code Description

06/20/2013

F07 -- Fault Code Description

06/08/2007

F06 -- Fault Code Description

06/08/2007

F05 -- Fault Code Description

06/08/2007

F04 -- Fault Code Description

06/08/2007

F01 -- Fault Code Description

06/08/2007

F00 -- Fault Code Description

06/08/2007

EF -- Fault Code Description

06/08/2007

Do Yaskawa drives have a lock-out prohibiting setting or changing of parameters?

06/08/2007

Does the Modbus port on the V7 Drive need a termination resistor?

10/27/2005

Does installation of an AC Drive near a large capacitor bank (power-factor correction) require special consideration?

10/27/2005

CPF00 -- Fault Code Description

06/20/2013

Can the V7 provide an analog output signal programmed for motor output current?

06/20/2013

Can the speed reference to a V7 Drive be switched 'on the fly' between run and jog?

07/13/2004

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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.