E7B Drive Bypass

FAQs

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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?

09/16/2013

What settings are needed to configure the E7 Bypass for serial communication control in AUTO mode and keypad speed control in HAND mode?

06/11/2014

What is the purpose of the TEST switch on the front panel of an E7B bypass unit?

06/08/2007

UV3 -- Fault Code Description

11/16/2009

UV2 -- Fault Code Description

11/16/2009

UV1 -- Fault Code Description

11/16/2009

UL3 -- Fault Code Description

11/16/2009

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

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

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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.