Rockwell Automation 20Y PowerFlex Active Front End - Manual (Page 123)

Rockwell Automation Publication 20Y-UM001E-EN-P - July 2014 123
Troubleshooting Chapter 5
Figure 40 - AFE Start Sequence Troubleshooting Diagram
Ready to
switch on
Software initialize complete
Charging the DC link
with external charging circuit
Run command from I/O,
keypad or Fieldbus (depends
on the selected control)
Init
DC link voltage
> 0.8*DC nominal?
Yes
No
Input Contactor
Close through Digital Out1,
should be set = ‘Contact Ctrl’
Sychronizing
OK?
Sychronizing
tries ≥ 5
Yes Yes
Ready to Run
(see P95 - [Cnvrtr Status1]
Ready bit = 1)
Synchronize
with input
Startup delay elapsed?
(see P087 - [Start Up Delay],
default = 0 secs)
Yes
No
No
Fault F10:
LineSyncFail
Input Contactor Ack
(Digital Input 4, should be
set = ‘Contactor Ack’; see
P102 - [Dig In Status] for
digital input status)
Yes
No
AFE Running
(Run LED is on)
Request to close
input contactor on
Digital In3?
Yes
No