Liebert 30-130kVA Operation And Maintenance Manual page 93

30-130kva, 60hz, single module system
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Table 7
Alarms, functions, and corrective actions (continued)
Actual
Alarm/fault
Name
Displayed
Description
On Front
of Alarm/
Panel
Fault
System Fan
System Fan
Fail
Fail
EPO Latched
EPO Latched
SBS
SBS Unable
Unable
Transfer To
Transfer To
Byp OK
Bypass OK
Reduced
Low batt
Battery
capacity
Capacity
Inv Off by
Inv Off by User Alarm
User
Batt Low
Battery Low
Warning
Warning
Batt Test
Battery Test
Failed
Failed
Batt Test
Battery Test
Passed
Passed
Config
Config
Modified
Modified
Fault
Or
Latch
Dial
Freeze
Alarm
Mask
Mask
Mask
Alarm
NO
YES
Alarm
NO
NO
Alarm
NO
NO
Alarm
YES
YES
Alarm
YES
YES
YES
YES
Alarm
YES
YES
Alarm
YES
YES
Alarm
NO
NO
Alarm
NO
NO
Event Log
Mask
Meaning and Corrective Action(s)
A fault in the designated Fan motor has
occurred. This condition only causes an
alarm, but if not promptly corrected it could
cause an equipment over-temperature
NO
YES
condition that would shut down the UPS
Module. Check the Fans for proper
operation. Contact Liebert Global Services
to replace a fan.
During start up the EPO switch is sensed as
being activated. Startup is inhibited until the
NO
YES
alarm is cleared. Clear the latched EPO via
the push-button switch located on the
SWGR Board, then perform start up.
The UPS output is not synchronized to the
bypass power source, the static bypass
switch is disconnected, or it has failed
internally. Emergency and overload transfer
to the bypass source is not available. If the
NO
YES
module does not have a manual disconnect
switch, open and re-close the static switch
fuseholder. If the alarm conditions are
automatically corrected, reset the alarm to
clear it. Contact Liebert Global Services if
the alarm stays on.
Shows after a successful transfer to
NO
YES
Bypass. Display is only momentary.
Occurs on systems with multiple battery
cabinets. Indicates that at least one battery
breaker is on and one or more battery
NO
YES
breakers in the string are off. In this state,
the calculations for battery time remaining
and End of Discharge are adjusted
accordingly.
The User has turned the inverter off through
NO
YES
the front panel. Puts data into the event
history log.
With the battery breaker closed, the UPS
has determined that the DC bus voltage
has reached the user settable "Battery Low
NO
YES
Warning" set point. Complete the controlled
shutdown of the critical load. Reset the
alarms if the input power is restored before
shutdown.
With the battery breaker closed, the battery
NO
YES
has failed the self-test. Momentary display.
Sets flag in the event history log
With the battery breaker closed, the battery
NO
YES
has passed the self-test. Momentary
display. Sets flag in the event history log
The User has modified and saved one or
more settings on the configuration screen.
NO
YES
Momentary display. Sets flag in the event
history log
85
Operation

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