Question about Delta Vfd007b43a AC Drive VFD B Inverter

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I have a Delta VFD-B drive it shows a GFF graound fault error and a EF1 error too. Could you please tell me how to fix the problem?

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SOURCE: Delta Vfd220b43a Ac Drive Vfd B Inverter 30hp 22Kw

good day. I have a pump that i want to start / stop with a pressure switch. How will i connect this ?

Thank you

Posted on Apr 01, 2011

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When i turn on the drive it display it display code for ground fault. my wiring are correct. And i cannot use keypad of drive. how can i resolve the fault .


why cant you use the keypad/'display of drive, is it not lit up ? if so you most likely have a grounded phase on the load side (motor) I suggest disconnecting motor completely and measuring to ground with a high voltage tester (megger) if you have a phase to ground then all the power that drive puts on that wire will shunt to ground , causing infinite current , this will affect the power supply of drive and not allow drive to even power up correctly
also you failed to mention if motor was 3 phase if so , some drives require installer to remove shunt jumpers (see install directions) this will "Lift" the surge suppresors off earth ground and over to "virtual" ground that occurs at center of three phase power , this might be seen as a ground fault if this is not done correctly

Jun 12, 2015 | Delta Vfd750b43a Ac Drive Vfd B Inverter...

3 Answers

Password of inverter


forget the password how can i solve it

Oct 18, 2012 | Delta Vfd007b43a AC Drive VFD B Inverter

1 Answer

Were can i buy delta vfd at dubai


can u give ur tel no:i want to buy 1.5 kw delta vfd

Nov 14, 2011 | Delta Vfd750b43a Ac Drive Vfd B Inverter...

1 Answer

Were can i find delta vfd at dubai


Official Agents for Delta Electronics (VFD, PLC, Servo Motor, Servo Drives, Temperature Controllers, Communication modules and devices) in UAE, Dubai is ARPI Industrial Equipment.

Check the website.
http://arpiie.com/index.php/motorsdrives/acdrives

Nov 14, 2011 | Delta Vfd750b43a Ac Drive Vfd B Inverter...

3 Answers

How to reset delda vfd43a


pls. set paramter 00-02 to 10 to this is to reset delta vfd b-series

Nov 04, 2010 | Delta Vfd007b43a AC Drive VFD B Inverter

1 Answer

DELTA INVERTER VFD-B PROGRAM HAS BEEN LOCK THREREFORE WE CAN NOT CHANGE SPEED CONTROL NON AUTHERIZED PERSON PUT IN THE PASSWARD AND FORGET PASSWARD


First thee attempts will "lock" you out. you must restart drive to allow 3 more tries. If you can't get to programming funcitons to change password you should be able to connect via serial connection and reset the password funcitons to 0. See attached pdf file for directions to connect pc to drive: http://www.delta.com.tw/product/em/control/cm/download/manual/IFD9507_application_en.pdf

If you don't have your manual to expalin password functions you can also find it at:http://www.delta.com.tw/product/em/download/download_main.asp?act=2&pid=1&cid=1

Jul 20, 2010 | Delta Vfd007b43a AC Drive VFD B Inverter

1 Answer

I have a 15kw motor driven off a siemens micromaster 440. I cannot get the motor to run in delta. I have to run it in star. I have similar drives on site and these motors are connected in delta. what...


Why do you want to run the motor in the delta configuration? The VFD will change the speed to anything you want to do. The delta and Wye connections are normally used to change the speed of a motor. That's what the VFD is for...??

Sep 28, 2009 | Inverter Siemens Micromaster 440

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