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Maintenance
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-03 B2 Issue B2 July 2018
123
Problem
Possible Cause
Required Action
Battery test will not run.
The cause indicated in Web
is "Alarms Active" but there
are no active alarms.
Battery test will not run if a
relevant alarm is active or
pending even if the alarm is
disabled. Examples of relevant
alarms are:
Battery Fuse Fail
,
Rectifier No Load
and
System
Overload.
Clear the cause of the alarm.
Battery test will not run if the
System Overload
alarm is set to
"Redundancy" and only one
rectifier is installed.
Set the
System Overload
alarm to "Total
Capacity" or install another rectifier.
SC300 or Web displays
???
or
N/A
Failed, disconnected or
unconfigured sensor.
Replace, connect or configure sensor.
Faulty or disconnected voltage
feed module.
Replace or connect voltage feed module.
Incorrect I/O board mapping.
Check I/O board mapping. See details on
page
Modem /RS-232
communications problem.
Incorrect, disconnected or faulty
cable.
Check an RS-232 straight-thru cable is
plugged into XS1 and the modem.
Replace faulty cable.
Access to RS-232 connector XS1
is restricted.
Use a DB9 ribbon cable extension (Farnell
part number 869-6411).
Incorrect communications
settings.
See PSTN Modem Communications on
page
Communications on page
Incorrect modem setup string.
Refer to the AT command section in the
modem's manual.
Modem not powered or other
modem problem.
Refer to the modem's manual.
Incompatible modem.
Contact your Eaton dc product supplier
or Eaton for advice. See Worldwide
Support on page
Password required to change
settings.
See Write Access Password on page
Serial communications are
disabled
S3P Access
is disabled.
Set S3P Access
to Enabled. See details in
the System Controller Operation
Handbook.
Ethernet communications
problem
Incorrect, disconnected or faulty
cable.
Check a network patch cable is connected
from XS31 to a live network outlet.
Replace faulty cable.
Ethernet link is not active.
On the Ethernet connector (XS31) check:
-
Yellow LED is continuously lit
to show link is active.
-
Green LED flashes to show
traffic is reaching the SC300.
See the diagrams on page 2 for position
of the Ethernet connector.
Incorrect communications
settings.
See Ethernet Communications on page