Alarm Descriptions
Copyright © 2007-2011 Eaton Corporation. All Rights Reserved.
IPN 997-00012-50H November 2011
The total rectifier current is less than 2% of the maximum system output current or is
less than 2A.
Inhibited by: AC Fail. See details of Alarm Inhibiting on page 47.
Rectifier Over
Temperature
Rectifier(s) operating in temperature turndown mode, because of high ambient
temperature or low ac supply voltage.
The current, temperature or voltage sensing system is faulty, or the I/O board
mapping is incorrect.
The SC200 is on but inactive. Another system controller controls the dc power
system. If the other system controller fails or is disconnected then the SC200 in
Standby Mode will become active (after a short delay).
There is a voltage imbalance in one of the battery strings. See Battery Mid-point
Monitoring on page 57.
The power system is operating close to its maximum capacity and more rectifiers are
needed. The System Overload threshold is configurable. See System Overload Alarm
on page 47.
Inhibited by: AC Fail. See details of Alarm Inhibiting on page 47.
The SC200 has detected an unknown type of device on the RXP bus. Contact your
Eaton DC product supplier for advice.
An I/O board or SiteSure-3G module is connected to the SC200, but its serial number
is not in the I/O Board to Serial Number Mapping table. See I/O Board Mapping on
page 119.
An analog input with Function set to "Reverse Battery Detect" has a value above the
Bus Voltage.
This alarm indicates the battery is connected with wrong polarity. See Reverse
Battery Detection on page 64.
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