Active Alarms, User Interface Text Cause Action

Troubleshooting

4.0TROUBLESHOOTING

4.1Active Alarms

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 Lie- bert representative at the number listed on the back of this manual.

User Interface Text	Cause	Action

Main Control Failure	The Nfinity system has detected a	Identify and replace the failed System Control Module or
	System Control Module failure.	contact Liebert Global Services for support.
Power Module Fail	The Nfinity system has detected a Power	Identify and replace the failed Power Module or contact
	Module failure.	Liebert Global Services for support.
Battery Module Fail	The Nfinity system has detected a Battery	Identify and replace the failed Battery Module or contact
	Module failure.	Liebert Global Services for support.
Redun. Control Fail	The Nfinity system has detected a	Identify and replace the failed System Control Module or
	System Control Module failure.	contact Liebert Global Services for support.
Battery Card Failure	The Nfinity system has detected an	Identify and replace the failed Intellislot Battery Card or
	Intellislot Battery Card failure.	contact Liebert Global Services for support.
UPS On Battery	The Nfinity is drawing power from the	Verify input breaker is closed. Verify input voltage is
	batteries, not from utility.	present and correct voltage. Verify input frequency is
		correct.
Reminder alarm -	The fan filter reminder time has elapsed.	Check and clean the fan filter and acknowledge the alarm.
Check air filter		This alarm may be disabled or the interval between these
		alarms can be configured via the User Interface.
Short Circuit	User tried to turn the output on following a	Wait for at least 30 seconds and then turn the output on.
Recovery - Please	short circuit on the output without waiting
Wait	for the required 30 seconds to expire.
Power Module N+1	Number of power modules is not	Reduce the UPS’s load, add power modules to the frame
Redundancy Alarm	adequate to provide power redundancy.	or disable the alarm feature via the User Interface.
Output Off - Output	A short circuit was detected on the output.	Correct short (or extreme overload condition) and turn on
Short Circuit		the UPS’s output.
UPS Output	The load on the Nfinity exceeded the	Reduce the UPS’s load or add power modules.
Overload	capacity of the active power modules.
Output exceeds	This will occur if the max load alarm is	Reduce the UPS’s load, increase the Maximum Load
max load setting	enabled, and the measured load at the	Alarm limit via configuration or disable the Maximum Load
	UPS’s output is greater than the value	Alarm limit via configuration.
	set.
Output Off-	Normally a severe overload will cause the	Reduce the UPS’s output load and verify that the UPS’s
Overload, bypass	unit to go to automatic bypass. This event	bypass source is qualified (amplitude and frequency).
unavailable	informs the user that bypass was not	Verify that the configuration voltage and frequency
	qualified so the unit dropped the load to	settings are properly selected.
	protect itself.
Switch To	The Nfinity is on automatic bypass.	Transfer Nfinity to manual bypass and call Liebert service
Manual Bypass	Manual bypass switch should be	for assistance.
	activated before servicing.
Load Exceeds	The measured load on the output will	Reduce the UPS’s load or add battery capacity. If external
Battery Module	cause the battery modules to exceed their	non-modular battery cabinet(s) are added, verify that the
Capacity	limits if the UPS transfers to battery	UPS’s configuration is set to match the external battery
	mode.	amp-hour rating and charger rating.
Bypass source	The input voltage is not within the	Verify UPS’s configuration for voltage and frequency.
not qualified	specified voltage or frequency range so	Check UPS’s input breaker; disable this alarm if desired
	the UPS will not allow an automatic or	via configuration.
	manual transfer to bypass.
Load exceeds	Load is greater then the rated frame limit.	Reduce the UPS’s load.
frame limit