Liebert Nfinity User Manual

36
ALARM MESSAGES
In the event of an alarm, the User Interface LCD will display the last message regardless of the default
screen. A list of possible alarm messages is displayed below. If you encounter one of these or other alarm
messages and are unsure of the corrective action to take, please contact a qualified Liebert representative
at the number listed on the back of this manual.
Alarm Message Cause Action
UPSShutdown-Endof
Discharge
Shutdown because there is not
enough battery power left to sup-
port the load.
Wait for return of AC Mains
Battery Module Fail A Battery Module has failed
Refer to Module LED indication section for correc-
tive action
Number of Battery Mod-
ules changed
The number of Battery Modules
in the system has changed
No action
Number of Power Mod-
ules changed
The number of Power Modules in
the system has changed
No action
Power Module Fail A Power Module has failed
Match module serial number to serial number in
Alarm Log or Event Log, replace module
Active control fail An ASC failure
Match module serial number to serial number in
Alarm Log or Event Log, replace module
Passive control fail A PSC failure
Match module serial number to serial number in
Alarm Log or Event Log, replace module
Power Module N+1
Redundancy Alarm
The UPS is no longer redundant
Insert more Power Modules or replace faulty Power
Module to regain redundancy
Output Off - Output
Short Circuit
There was a short circuit on the
output.
Investigate fault on load side of UPS
Low Battery Warning Battery power is low
No action, Set point for low battery time remaining
has been reached. Allow batteries time to recharge
UPS On Automatic
Bypass
UPS switched to auto bypass for
various reasons.
Determine reason from Alarm Log or Event History
logwhyUPSisonBypass
UPS Output Overload
Theloadexceedsthemaximum
load capacity of the active Power
Modules.
Reduce the amount of connected load or add
Power Modules
UPS On Battery
The unit is supporting the load
from its batteries.
Wait for return of AC Mains
Bypass source not qual-
ified
The unit will not transfer to auto-
matic bypass, instead the load
will be dropped
Investigate AC Mains supply
Transformer Fan Failure
There is a transformer in the unit,
and at least one of the fans is not
running
Investigate fans
Transformer tempera-
ture warning
The Transformer is slightly over
temperature.
Investigate possible airflow problem
Transformer tempera-
ture alarm
The Transformer is greatly over
temperature.
Investigate immediately
Input Voltage Setting
Error
The input voltage configuration
and bypass jumper settings do
not match.
Ensure that the bypass voltage matches the input
voltage and that the input voltage configuration
matches the bypass jumper setting

Liebert Nfinity Specifications

General

Brand	Liebert
Model	Nfinity
Category	UPS
Language	English