Liebert 30-130kVA User Manual

Page 94

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Operation

86

Delayed Batt

Charge

Delayed

Battery Charge Alarm

NO

NO

NO

YES

The generator option is installed, the

system is on generator and the “Delayed

Battery Charge” is suppressing battery

charging to reduce the load on the

generator.

Reduced I

Limit

Reduced

Current Limit

Alarm

NO

NO

NO

YES

The UPS recognizes that the source is a

generator and has reduced the current limit

setting to avoid generator overloading.

Event Log

Clear

Event Log

Clear

Alarm

NO

NO

NO

YES

Per the user request, all event logs have

been cleared. This will be the first alarm in

the new log. Momentary display. Sets flag

in the event history log.

Batt Not

Charging

Battery Not

Charging

Alarm

YES

NO

NO

YES

With the battery breaker closed, the battery

voltage has not reached 95% of the units

“DC Float Voltage” set point within a

calculated time (based on the test duration.)

This calculation will start immediately at the

end of a successful (“Passed”) battery self

test.

UPSC-MM

comm. Fail

UPSC-MM

Comm Fail

Alarm

YES

YES

NO

YES

The UPS has detected a communication

failure between its UPS controls and it

monitoring system. Contact Liebert Global

Service.

User

Shutdown

User

Shutdown

Alarm

YES

YES

NO

YES

The User has initiated an “Inverter Off” or

“System Shutdown” through the User

Shutdown screen.

Cant Exec

Batt Test

Cannot

Execute

Battery Test

Alarm

NO

NO

NO

YES

The battery test could not be performed.

See 3.3.7 - Battery Management.

Batt Not

Charged

Battery Not

Charged

Alarm

NO

NO

NO

YES

A battery test cannot be executed because

the battery charge is less than 90%.

Sys Time Set

By Op

System Time

Set By

Operator

Alarm

YES

YES

NO

YES

The User has changed the Date or Time

from the front Panel. Momentary display.

Sets flag in the event history log.

Manual XFER

Manual

Transfer

Alarm

NO

NO

NO

YES

The User has ordered a manual transfer

from UPS to Bypass from the front panel

controls. Momentary display. Sets flag in

the event history log.

Manual

ReXFER

Manual

Retransfer

Alarm

NO

NO

NO

YES

The User has ordered a manual transfer

from Bypass to UPS from the front panel

controls. Momentary display. Sets flag in

the event history log.

Batt Cycle

Buff Full

Battery Cycle

Buffer Full

Alarm

NO

NO

NO

YES

With batt breaker closed, Monitor has

determined that the buffer that keeps track

of the number of hits the battery has taken

is full. No action required.

Table 7

Alarms, functions, and corrective actions (continued)

Actual

Alarm/fault

Name

Displayed

On Front

Panel

Description

of Alarm/

Fault

Fault

Or

Alarm

Latch

Mask

Dial

Mask

Freeze

Mask

Event Log

Mask

Meaning and Corrective Action(s)

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