Access Power Solutions Installation Guide (APS3-400 Series)
50
Copyright © 2007-2010 Eaton Corporation. All Rights Reserved.
IPN 997-00012-52D July 2010
Troubleshooting
Use the table to troubleshoot minor installation and operational problems. For additional
assistance see contact details on page
. Return items for replacement or repair with a
completed Equipment Incident Report on page
.
System Problems
Problem
Possible Cause
Required Action
All rectifiers are off (no
LEDs on) and system
controller display is blank.
AC supply to the system is off
and batteries are not connected
or are fully discharged.
Restore ac supply.
AC supply to rectifier(s) off or
one or more phases are off.
Restore ac supply.
Rectifier(s) not fully inserted.
Insert rectifier and tighten retaining
screw.
Green LED of one or more
rectifiers is off.
Internal rectifier fault.
Remove the rectifier and insert another
one in the same slot. If second rectifier
fails to start, then there is a fault with the
rectifier position. Check ac connections.
If the second rectifier operates normally,
then the first rectifier is faulty and must
be returned for service.
All rectifier LEDs flash.
The rectifier is responding to an
Identify
command from the
system controller.
None, this is normal operation. See
details in the System Controller
Operation Handbook.
The system controller is starting. Wait for system controller to complete
start-up.
Rectifier yellow LED flashes
Rectifier has not registered with
the system controller.
Remove, and then re-insert the rectifier.
Replace the rectifier with another
rectifier. If second rectifier fails to
register, then there is a fault with the
rectifier position. Check rectifier comms
bus wiring.
If second rectifier registers, then first
rectifier is faulty and must be returned
for service.
