Alarm Messages - Liebert Nfinity User Manual

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 in the back of this manual.
Alarm Message
Power Module not ready
Control Module not ready
Battery Module not ready
Load exceeds battery
capacity
Battery Module Failure
Power Module Failure
General UPS Failure
Battery Test Failed
Redundant Power Alarm
Maximum Load Alarm
System Control
Module Failure
On Battery
Low Battery
UPS on Bypass (auto)
UPS on Bypass (manual)
Transformer fan failure
UPS CanBus Failure
UPS Shutdown Imminent
Wrong Voltage

Alarm Messages

Cause
Power Module is not properly installed
Control Module is not properly installed
Battery Module is not properly installed
Battery Modules are overloaded
Battery Module is no longer working
properly.
A Power Module is no longer working
properly.
The UPS is operating on bypass.
Unit has detected a Battery Module problem.
The UPS is no longer redundant.
Maximum load has been exceeded.
System Control Module no longer working
properly.
Load is currently being supplied from UPS.
Battery power is low.
UPS switched to auto bypass.
User switched UPS to manual bypass.
The transformer cooling fans are no longer
working properly.
The internal communications are not
working properly.
The UPS is about to shut down
The input voltage configuration and bypass
jumper settings DO NOT MATCH.
Action
Ensure lever is in the locked position
Ensure lever is in the locked position
Ensure module is fully inserted and
fastener is secured.
Add extra Battery Modules or
decrease load
Refer to Module LED indication section
for corrective action.
Refer to Module LED indication section
for corrective action.
Contact qualified assistance.
Verify the battery status via the display
and perform self-battery test.
Replace faulty module to regain
redundancy.
Insert additional modules to increase
load capacity or reduce current load.
Replace faulty module.
Wait for input mains to return.
Allow batteries time to recharge.
Alarm screen should indicate reason
for auto bypass.
When ready, switch back to UPS.
Contact qualified assistance.
Contact qualified assistance.
Check for faulty modules, output
overloads, or contact qualified
assistance.
Check to make sure the bypass
voltage matches the input voltage and
ensure the input voltage configuration
matches the bypass jumper setting.
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