Emerson 250-400kVA When manual transfers are enabled

			UPS Alarm and Status Messages
Table 7	Liebert NXL alarm and status messages (continued)
Event Message		Event Definition	Recommended Action
			The condition clears from the Active Event Window
			when manual transfers are enabled.
			A possible reason for this condition is an unstable
		This summary event means the conditions	generator. If the generator frequency is not stable,
			or not at 60 Hz, the Inverter may have difficulty
		required to perform a manual transfer to bypass
			maintaining synchronization with the bypass
		are not met (Inverter must be in sync with
			source.
		bypass).
Manual Xfer Inhibit			To check the synchronization of the Inverter to
		This status message is self-clearing. When the	bypass, click “Transfer” and observe the
		condition is no longer present, the message and
			synchroscope. A non-sync condition is indicated by
		any control activity tied to the status event reverts
			a varying phase angle error, rather than a stable “0”
		to normal	degree indication.
			If the unit is not on generator, and the bypass
			voltage otherwise appears normal, contact your
			factory-authorized service provider.
		The user adjustable maximum load alarm
		threshold was exceeded. This is a “notification	Press “SILENCE” to silence the audible alarm.
		only” type alarm, meaning the UPS takes no
			Check the kW load % displayed for A phase.
		action other than sounding an audible alarm
			To check the setpoint for the alarm, press “Config,”
		based on this setpoint. The setting allows the user
		to monitor the load status of the UPS.	“User Settings,” “Adjustable Setpoints,” “Max Load
			Alarm.”
Max Load Alarm		For example, if the current load on Phase A is
			Compare the setpoint to the displayed load
Ph A		50%, the user can set this setpoint to 80% and an
		alarm is received if the added load exceeds 80%.	percentage. If the load percentage displayed is
			correct and the value exceeds the setpoint, raise
		The alarm may also be configured with a delay, to	the setpoint to clear the alarm, or reduce the load
		prevent nuisance alarms due to cycling loads.	below the setpoint.
		The alarm is self-clearing. Once the load level
			Contact your factory-authorized service provider.
		decreases to less than 95% of the level setting,
		the alarm clears.
		The user adjustable maximum load alarm
		threshold was exceeded. This is a “notification	Press “SILENCE” to silence the audible alarm.
		only” type alarm, meaning the UPS takes no
			Check the kW load % displayed for B phase.
		action other than sounding an audible alarm
			To check the setpoint for the alarm, press “Config,”
		based on this setpoint. The setting allows the user
			“User Settings,” “Adjustable Setpoints,” “Max Load
		to monitor the load status of the UPS.	Alarm.”
Max Load		For example, if the current load on Phase B is
			Compare the setpoint to the displayed load
Alarm Ph B		50%, the user can set this setpoint to 80% and an
			percentage. If the load percentage displayed is
		alarm is received if the added load exceeds 80%.	correct and the value exceeds the setpoint, raise
		The alarm may also be configured with a delay, to	the setpoint to clear the alarm, or reduce the load
		prevent nuisance alarms due to cycling loads.
			below the setpoint.
		The alarm is self-clearing. Once the load level
			Contact your factory-authorized service provider.
		decreases to less than 95% of the level setting,
		the alarm clears.
		The user adjustable maximum load alarm
		threshold was exceeded. This is a “notification	Press “SILENCE” to silence the audible alarm.
		only” type alarm, meaning the UPS takes no
			Check the kW load % displayed for C phase.
		action other than sounding an audible alarm
			To check the setpoint for the alarm, press “Config,”
		based on this setpoint. The setting allows the user
			“User Settings,” “Adjustable Setpoints,” “Max Load
		to monitor the load status of the UPS.	Alarm.”
Max Load		For example, if the current load on Phase C is
			Compare the setpoint to the displayed load
Alarm Ph C		50%, the user can set this setpoint to 80% and an
			percentage. If the load percentage displayed is
		alarm is received if the added load exceeds 80%.	correct and the value exceeds the setpoint, raise
		The alarm may also be configured with a delay, to
			the setpoint to clear the alarm, or reduce the load
		prevent nuisance alarms due to cycling loads.	below the setpoint.
		The alarm is self-clearing. Once the load level
			Contact your factory-authorized service provider.
		decreases to less than 95% of the level setting,
		the alarm clears.
		The Module battery disconnect is open.	Press “SILENCE” to silence the audible alarm.
			Check the status of Module Battery Disconnect
MBD Open		This alarm is self-clearing. When the condition is
			(MBD). If it is open, the alarm is normal.
		no longer present, the alarm and any control
			If the Module Battery Disconnect is closed, contact
		activity tied to the alarm reverts to normal.
			your factory-authorized service provider.

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