5.7 La visualización del teclado es anormal
Abnormal display or no display
Cycle power to AC motor drive
Display normal?
AC motor drive works normally
5.8 Pérdida de fase (PHL)
Check wiring at R, S and T terminals
Check if the screws of terminals are tightened
Check if the input voltage of R, S, T is unbalanced
Maybe AC motor drive has malfunction or misoperation
due to noise. Please contact DELTA.
Revisión abril 2008, 1ELE, V1.02
Yes
No
Yes
Phase loss
Yes
Yes
No
Capítulo 5 Detección y solución de problemas|
Fix connector and
Check if all connectors are connect
correctly and no noise is present
AC motor drive has malfunction.
Please contact DELTA.
No
No
Yes
eliminate noise
No
Yes
Correct wiring
Tighten all screws
Please check the wiring
and power system for
abnormal power
5-5