Delta Electronics AC Drive VFD-F Series Especificaciones descargar pdf (Pagina 144)

Chapter 7 Troubleshooting |VFD-S Series

Revision August 2008, SE09, SW V2.61 7-5

7.7 Keypad Display is Abnormal

Abnormal display or no display

Cycle power to AC motor drive

Ye s

Display normal?

AC motor drive works normally

Fix connector and eliminate noise

Check if all connectors are connect

correctly and no noise is present

AC motor drive has malfunction.

Please contact DELTA.

7.8 Phase Loss (PHL)

Phase loss

Yes

Check wiring at R, S and T terminals Correct wiring

Check if the screws of terminals are tightened

Tighten all screws

Yes

Please check the wiring

and power system for

abnormal power

Maybe AC motor drive has malfunction or misoperation

due to noise. Please contact DELTA.

Check if the input voltage of R, S, T is unbalanced

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Delta Electronics AC Drive VFD-F Series Especificaciones Pagina 144