Section III
Operation
Page 3.13
BP
II S, 3.00
08/96
Table 3–1. Typical Alarm History Screens
Date
Time
Alarm
Screen Message
01/01
08:30:00
CPU Restarted
CPU Restart
01/01
08:35:09
Input Circuit Breaker Closed
inp bkr clsd
01/01
08:35:10
Input Voltage Normal
inp vol norm
01/01
08:36:00
DC Voltage Normal
dc volt norm
Table 3–2. Alarm History Messages and Descriptions with Corrective Actions
Screen Message
Description
Corrective Action
inp bkr open
Rectifier Input Circuit Breaker open
Follow System Startup procedure to
close Rct. Input Circ. Brkr
inp bkr clsd
∗
Rectifier Input Circuit Breaker closed Verifies that Rectifier Input Circuit
Breaker is closed
bat bkr open
Battery (DC Disconnect) switch
open
Follow System Startup procedure to
close Battery (DC Disconnect)
switch
bat bkr clsd
∗
Battery (DC Disconnect) switch
closed
Verifies that Battery (DC
Disconnect) switch is closed
inp vlt high
Input voltage too high
Verify correct UPS input voltage.
Decrease if necessary.
inp vlt low
Input voltage too low
Verify correct UPS input voltage.
Increase if necessary.
inp vlt norm
∗
Input voltage normal
No action required.
inp freq hi
Input frequency too high
Verify correct UPS frequency.
inp freq low
Input frequency too low
Verify correct UPS frequency.
inp freq norm
∗
Input frequency normal
No action required.
inp cur high
Input current too high
Reduce load on UPS output.
inp cur imbl
Input current out of balance
Verify correct UPS input voltage and
current.
inp cur norm
∗
Input current normal
No action required.
dc volt high
DC (battery) voltage too high
Verify correct battery voltage.
Decrease if necessary.
dc volt low
DC (battery) voltage too low
UPS is operating off the battery.
dc volt norm
∗
DC (battery) voltage normal
No action required.
rct fus norm
∗
Rectifier fuses normal
No action required.
* – Not an alarm condition.
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