Powerflex 40 Fault Codes F071
The VFD is giving Ground Fault ... What might be the possible reasons ?
[FONT=times new roman, new york, times, serif]The VFD is Allen Bradley PowerFlex 400[/FONT]
[FONT=times new roman, new york, times, serif]
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[FONT=times new roman, new york, times, serif]1) Any Phase inside the terminal of motor is touching with the motor frame or body.[/FONT]
[FONT=times new roman, new york, times, serif]2) An phase inside the connection terminal strip of VFD is touching with metallic frame or metallic body of VFD.[/FONT]
3) Any phase is touching with other phase inside the motor terminal
4) Any phase is touching with other phase inside the VFD terminal connection strip
5) Any phase is touching with earth cable (wire) inside the motor terminal
6) Any of the phase is touching with earth cable (wire) inside the VFD
7) Motor's insulation becomes weak.
8) Motor's winding is touching the frame or body of the motor.
9) Any phase is touching the other metallic part or frame or body in between motor and VFD (somewhere).
Are these above mentioned reasons cause of Ground Fault ?
Are these all those possible reasons which cause the Ground Fault to display on VFD LCD ?
Is there any other possible reason of displaying Ground Fault on VFD display ?
[FONT=times new roman, new york, times, serif]The VFD is Allen Bradley PowerFlex 400[/FONT]
[FONT=times new roman, new york, times, serif]
[/FONT]
[FONT=times new roman, new york, times, serif]1) Any Phase inside the terminal of motor is touching with the motor frame or body.[/FONT]
[FONT=times new roman, new york, times, serif]2) An phase inside the connection terminal strip of VFD is touching with metallic frame or metallic body of VFD.[/FONT]
3) Any phase is touching with other phase inside the motor terminal
4) Any phase is touching with other phase inside the VFD terminal connection strip
5) Any phase is touching with earth cable (wire) inside the motor terminal
6) Any of the phase is touching with earth cable (wire) inside the VFD
7) Motor's insulation becomes weak.
8) Motor's winding is touching the frame or body of the motor.
9) Any phase is touching the other metallic part or frame or body in between motor and VFD (somewhere).
Are these above mentioned reasons cause of Ground Fault ?
Are these all those possible reasons which cause the Ground Fault to display on VFD LCD ?
Is there any other possible reason of displaying Ground Fault on VFD display ?
Allen Bradley Powerflex 40 Troubleshooting
This is a demonstration on how to setup communication network for 1734-AENT and Powerflex. For use on how to better use BOOTP, see the following videos: http. PLCS.net - Interactive Q & A PLCS.net - Interactive Q & A LIVE PLC Questions And Answers Powerflex 40 Devicenet PDA View Full Version: Powerflex 40 Devicenet.