Maintenance
Copyright © 2007-2010 Eaton Corporation. All Rights Reserved.
IPN 997-00012-52D July 2010
55
Problem
Possible Cause
Required Action
Incorrect, disconnected or faulty
cable.
Check an RS232 straight-thru cable is
plugged into XS1 and the modem.
Replace faulty cable.
Access to RS232 connector XS1
is restricted.
Use a DB9 ribbon cable extension (Farnell
part number 869-6411).
Incorrect communications
settings.
See PSTN Modem Communications or
GSM Modem Communications in the
System Controller Operation Handbook.
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
.
Modem/RS232
communications problem.
Password required to change
settings.
See Write Access Password in the System
Controller Operation Handbook.
Serial communications are
disabled (SC200 only)
S3P Access
is disabled.
Set S3P Access
to Enabled. See details in
the System Controller Operation
Handbook.
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 SC200.
See the diagrams on page
for position
of the Ethernet connector.
Incorrect communications
settings.
See Ethernet Communications in the
System Controller Operation Handbook.
SC200 serial communications
are disabled.
Check
S3P Access
is enabled. See details
in the System Controller Operation
Handbook.
Ethernet communications
problem (SC200 only)
Password required to change
settings (using DCTools or
PowerManagerII).
See Write Access Password in the System
Controller Operation Handbook.
