Emerson 250-400kVA manual Observe the One-Line Display. To identify which

Page 51

 

 

 

UPS Alarm and Status Messages

 

 

 

 

Table 7

Liebert NXL alarm and status messages (continued)

 

 

 

Event Message

Event Definition

Recommended Action

 

 

 

Press “SILENCE” to silence the audible alarm.

 

 

 

Observe the One-Line Display. To identify which

 

 

 

battery cabinet is reporting the temperature

 

 

 

condition, press the “Battery Box” on the One-Line

 

 

 

Display to cycle through each battery compartment

 

 

One or more of the Battery Temperature Sensors

or string. The temperature display is located under

 

 

the voltage reading in the Battery Box.

 

 

is reporting a temperature above the limit

If the Common Battery Disconnect and/or the

 

 

setpoint.

 

 

individual battery cabinet or string reporting the over

 

 

There are two user-adjustable Battery

 

 

temperature condition is tripped, check the following

 

 

Temperature Setpoints: Battery Over

 

 

settings.

 

 

Temperature Warning and Battery

Batt Ovtemp Limit

Press “User Settings,” “Battery Management,”

Overtemperature Limit. The temperature in one or

 

 

“Battery Temperature” to check the current Battery

 

 

more battery compartments has risen above the

Temperature Setpoints. If none of the Battery Boxes

 

 

limit setpoint.

 

 

on the One-Line Display exhibit a temperature in

 

 

Depending on user settings, the controls may trip

 

 

excess of the temperature setpoint in the user

 

 

the battery breaker associated with the over

settings, contact your factory-authorized service

 

 

temperature condition.

 

 

provider.

 

 

 

 

 

 

If the overtemperature limit is being reported

 

 

 

correctly, investigate potential causes such as faulty

 

 

 

air conditioning, or air flow blockage and resolve.

 

 

 

Otherwise, contact your factory-authorized service

 

 

 

provider.

 

 

 

Press “SILENCE” to silence the audible alarm.

 

 

 

Observe the One-Line Display. To identify which

 

 

 

battery cabinet is reporting the temperature

 

 

One or more of the Battery Temperature Sensors

condition, press the “Battery Box” on the One-Line

 

 

is reporting a temperature above the warning

Display to cycle through each battery compartment

 

 

or string. The temperature display is located under

 

 

setpoint.

 

 

the voltage reading in the Battery Box.

 

 

There are two user adjustable Battery

 

 

Press “User Settings,” “Battery Management,”

 

 

Temperature Setpoints: Battery Over

 

 

“Battery Temperature” to check the current Battery

Batt Ovtemp

 

Temperature Warning and Battery

 

Temperature Setpoints. If none of the Battery Boxes

Warning

 

Overtemperature Limit. This alarm means the

 

on the One-Line Display exhibit a temperature in

 

 

temperature in one or more battery compartments

 

 

excess of the temperature setpoint in the user

 

 

has risen above the warning setpoint.

settings, contact your factory-authorized service

 

 

This alarm is self-clearing. When the condition is

 

 

provider.

 

 

no longer present, the alarm and any control

 

 

If the overtemperature warning is being reported

 

 

activity tied to the alarm reverts to normal

 

 

correctly, investigate potential causes, such as

 

 

 

 

 

 

faulty air conditioning or air flow blockage and

 

 

 

resolve. Otherwise, contact your factory-authorized

 

 

 

service provider.

 

 

The UPS is performing a battery self test.

 

 

 

The battery self test terminates automatically at

 

 

 

the end of the test.

During normal operation, no user response is

 

 

Battery test settings are adjustable and can be

 

 

required.

 

 

accessed by pressing “Config,” “User Settings,”

Batt Self Test

The battery test can be terminated at any time by

“Batt Mgt,” “Battery Test.”

 

 

the user by pressing “Batt Mgt,” “Manual Battery

 

 

This status message is self-clearing. When the

 

 

Test,” “Stop.”

 

 

condition is no longer present, the message and

 

 

 

 

 

any control activity tied to the status event reverts

 

 

 

to normal.

 

 

 

The controls are sensing a failed Battery

Press “SILENCE” to silence the audible alarm.

 

 

Temperature Sensor.

 

 

If a sensor reports a value outside the normal

Try to identify which sensor has failed by observing

Batt Sensor Fail

operating range of the sensor, it is considered

the temperature reading inside the Battery Box on

failed.

the One-Line Display. Cycle through all connected

 

 

 

 

This alarm is self-clearing. When the condition is

batteries by pressing the Battery Box on the display.

 

 

no longer present, the alarm and any control

Contact your factory-authorized service provider.

 

 

activity tied to the alarm reverts to normal.

 

45

Image 51
Contents Liebert NXL Contacting Liebert for Support Battery Cabinet PrecautionsTable of Contents Specifications Figures Page Important Safety Instructions Normal Mode General DescriptionModes of Operation Options Bypass ModeBattery Mode Maintenance BypassIntroduction Main component locations FeaturesMimic display Monitor/mimic display example Utility fail Monitor/mimic display example Normal power flowMonitor/mimic display example Load on bypass, UPS On Menu tree Touchscreen Navigation Main Display ScreenRating Parameters Configurations Menu RatingSystem Settings parameters User SettingsAdjustable setpoints parameters Adjustable SetpointsCell Count Adjustment Event Management Status Reports MenuStartup Menu Shutdown menu Shutdown MenuTransfer Menu Transfer/retransfer commandsTime remaining display Battery Management MenuDisplay summary see Figure Silence ResetMetering HelpLoad on bypass, UPS available OK to TransferInput power fail, load on battery Input Power Failure-Load on BatteryEmergency Module Off Off BatteryRemote Emergency Power Off Manual ProceduresStartup Procedure Startup commands Maintenance Bypass Load Transfers Load Transfer ProceduresTransfer Procedure Re-Transfer ProcedureMaintenance Bypass Load Transfers-If Load is on UPS Bypass Automatic Operations Shutdown ProceduresUPS Shutdown Procedure System Shutdown ProcedureCurrent-versus-time curves of overload capacity Automatic Transfers to Bypass Overload ConditionAutomatic Retransfers to UPS Automatic Transfers to Bypass, UPS System FaultsSafety Precautions Routine Maintenance Liebert ServicesAir Filters Record LogComponent Expected Life Replace Battery MaintenanceUPS component service life Limited Life ComponentsBattery Safety Precautions Matching Battery Cabinets-Optional Battery voltage, nominal and floatBattery retorque values Torque Requirements Torque specifications, unless otherwise labeledDetecting Trouble Rack-Mounted BatteriesReporting a Problem Upstream Feeder Circuit Breaker Setting InspectionsCorrective Actions Environmental Conditions Battery OperationEnvironmental specifications Parameter SpecificationInput Parameters Electrical specificationsBattery & DC Parameters Liebert NXL Model Size 250Liebert NXL Model Size System ParameterPhysical Parameters & Standards, in mm Specifications Event Message Event Definition Recommended Action Liebert NXL alarm and status messagesObserve the One-Line Display. If the input line is Observe the One-Line Display. To identify which Do not Attempt to Close CB3 Until Reset Displayed on the Module Output Meter. If UPS controls monitor the DC Bus positive Resolve the issue that precipitated the EPO Check the One-Line Display for system status UPS, to transfer back to Inverter If this alarm occurs on an operational unit, it Attempt to manually close the disconnect by Module Output Meter. If the load is less than Output Power Factor. If the displayed power factor Until a service visit has been made and action taken When manual transfers are enabled Under normal conditions, no user action is required Observe the One-Line Display and the Active Event If the command to terminate Regeneration Mode If the alarm cannot be reset, or if the alarm condition UPS Alarm and Status Messages UPS Alarm and Status Messages Page That Ne tIti Ti n