Liebert Nfinity 208 V / 240 V 60Hz - Manual (Page 34)

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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 Cause Action
Battery Module Failure Battery Module is no longer working
properly. Refer to Module LED indication section
for corrective action.
Power Module Failure A Power Module is no longer working
properly. Replace the faulty Power Module by
following the procedure in this manual.
General UPS Failure The UPS is operating on bypass. Contact a Liebert Global Services at
1-800- 543-2378.
Battery Test Failed Unit has detected a battery module problem. Verify the battery status via the display
and perform self-battery test.
Redundant Power Alarm The UPS is no longer redundant. Replace faulty module to regain
redundancy.
Maximum Load Alarm Maximum load has been exceeded. Insert additional modules to increase
load capacity or reduce current load.
System Control
Module Failure System Control Module no longer working
properly. Replace faulty module.
Firmware version error Firmware is incompatible. Download latest firmware version from
www.liebert.com.
On Battery Load is currently being supplied from UPS. Wait for input AC to return.
Low Battery Battery power is low. Allow batteries time to recharge.
UPS on Bypass (auto) UPS switched to auto bypass. Alarm screen should indicate reason
for auto bypass.
UPS on Bypass (manual) User switched UPS to manual bypass. When ready, switch back to UPS.
Transformer fan failure The transformer cooling fans are no longer
working properly. Contact a Liebert Global Services at
1-800- 543-2378.
UPS CanBus Failure The internal communications are not
working properly. Contact a Liebert Global Services at
1-800- 543-2378.
UPS Shutdown Imminent The UPS is about ready to shut down Check for faulty modules, output
overloads, or Contact a Liebert Global
Services at 1-800- 543-2378.
Wrong Voltage The input voltage configuration and bypass
jumper settings DO NOT MATCH. Check to make sure the bypass
voltage matches the input voltage and
ensure the input voltage configuration
matches the bypass jumper setting.
Alarm Messages