7 display of kpvl-cc01 is abnormal, 8 phase loss (phl), 7 display of kpvl-cc01 is abnormal -5 – Delta Electronics Elevator Drive VFD-VL User Manual
Page 172: 8 phase loss (phl) -5
Chapter 5 Troubleshooting|
Revision Nov. 2008, VLE1, SW V1.03 5-5
5.7 Display of KPVL-CC01 is Abnormal
Abnormal display or no display
Turn the power off and power
on again after display is off
No
Yes
Yes
Yes
No
Display normal?
AC motor drive works normally
Fix connector and
eliminate noise
Check if all connectors are connected
well and if there is no noise
AC motor drive has malfunction.
Please contact DELTA.
5.8 Phase Loss (PHL)
Phase loss
No
Yes
Check if the wiring of terminals R, S and T is OK
Connect all three
phase well
Check if the screws of terminals are tightened
No
Tighten all screws
Maybe AC motor drive has malfunction or misoperation
due to noise. Please contact DELTA.
No
Yes
Yes
Please check the wiring
and power system for
abnormal power
Check if the input voltage of R, S, T is unbalanced
Yes
Yes
Please check the wiring
and power system for
abnormal power
Check if the input voltage of R, S, T is unbalanced
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