Eaton SC200 - Troubleshooting

SC200 Handbook
100
Copyright © 2007-2011 Eaton Corporation. All Rights Reserved.
IPN 997-00012-50H November 2011
Troubleshooting
Use the table to troubleshoot minor installation and operational problems. For additional
assistance see contact details on page 125. Return items for replacement or repair with a
completed Equipment Incident Report on page 123.
Problem
Possible Cause
Required Action
SC200 displays a dc power
system alarm message.
See Alarm Descriptions on page 109.
SC200 LCD is blank and
green Power On LED is off.
RXP/power cable is
disconnected from the SC200.
Connect cable from connector YS11 to the
dc power system voltage feed module
(see Connections on page 3). Wait for
start-up to complete.
The ac supply is off and the
batteries are not connected
because the Low Voltage
Disconnect (LVD) has
disconnected.
None. The power system including the
SC200 will return to normal operation
when the ac supply is within its specified
voltage range.
Faulty Voltage Feed Module
(VFM) or faulty SC200.
Replace faulty unit.
SC200 LCD is blank and
green Power On LED is on.
SC200 is in start-up mode
Wait for start-up to complete. See
Starting the SC200 on page 6.
Faulty SC200
Replace faulty SC200.
SC200 Red LED or Yellow
LED is on.
An alarm is active.
Check the type of alarm on the LCD or
with DCTools/Web or PowerManagerII. See
Alarm Descriptions on page 109.
Unable to change settings
from SC200 keypad.
Keypad access is set to Read
Only or PIN Protected.
See Keypad Access Security on page 10.
Rectifier does not shutdown
when LBRS is enabled.
Load Based Rectifier Shutdown
is not available with APR48-3G
(prior to PR5), EPR48-3G,
APR24-3G and CR48-3G
rectifiers.
See Load Based Rectifier Shutdown on
page 35.
Monitor OK relay (RLY6) is
de-energized.
An active alarm, digital input or
analog input is mapped to this
relay.
Check relay mapping. See Digital
Outputs on page 75.
Problem with power or
communications to I/O board.
Check all connections (see Connections
on page 3).
SC200 or I/O board software
corrupt or hardware fault.
Replace faulty unit.
Incorrect battery or load
current readings.
Bus voltage sense polarity is
incorrect.
Check the bus voltage sense polarity and
correct if necessary.
Incorrectly configured shunt
inputs.
Check shunt mapping and gain is correct.
Current is within the Battery
State Threshold. See details on
page 56.
None, normal operation.