Emerson 480V user manual UPS status messages, Event Message Description / Suggested Action if any

Page 101

UPS Status Messages

APPENDIX A - UPS STATUS MESSAGES

Table 36 shows all event messages as they appear in the current status area of the LCD and in the history log, along with a description and recommended actions, if any. For further information on the current status area and the history log, see 2.11 UPS Status Messages.

Table 36 UPS status messages

Event Message

Description / Suggested Action (if any)

 

 

Inverter Comm. Fail

The RS-485 communication between internal monitor and inverter has failed. Contact Liebert

Global Services at 800-543-2378 for assistance.

 

Rectifier Comm. Fail

The RS-485 communication between internal monitor and rectifier fails. Contact Liebert Global

Services at 800-543-2378 for assistance.

 

 

The CAN communication between different UPS units within a parallel system has failed.

 

Check if there are some UPS units not powered on in the parallel system. If so, power on these

Parallel Comm. Fail

UPS units and check if the alarm disappears.

 

Press Fault Clear push button.

 

If alarm does not clear, contact Liebert Global Services at 800-543-2378

Battery Overtemp.

The battery temperature is over limit. Check the battery temperature and ventilation

 

 

Ambient Overtemp.

The ambient temperature is over limit. Check the ventilation of UPS room.

 

 

Replace Battery

Battery should be replaced. Contact Liebert Global Services at 800-543-2378 for assistance.

 

 

 

Before the end of discharging, battery under-voltage pre-warning should occur. After this pre-

Battery Low Pre-warning

warning, battery should have the capacity for 3 minutes discharging with full load. The time is

user configured from 3 to 60 minutes.

 

 

Shut down the load in time to prevent damage to equipment and data.

 

 

Battery End of Discharge

Inverter turned off due to low battery voltage.

Check the utility failure and try to recover it.

 

Mains Volt. Abnormal

Mains voltage exceeds the upper or lower limit and results in rectifier shutdown.

Check the input line-to-line voltage amplitude of rectifier.

 

Mains Undervoltage

Mains voltage is undervoltage 288V~384V line to line voltage with derated load.

Check the input line-to-line voltage amplitude of rectifier.

 

Mains Freq. Abnormal

Mains frequency is out of limit range and results in rectifier shutdown.

Check the rectifier’s input voltage frequency

 

Rectifier Fault

Contact Liebert Global Services at 800-543-2378 for assistance.

 

 

 

The temperature of rectifier inductor of rectifier common mode inductor is too high to keep the

Input Inductor Overtemp.

rectifier running.

Check the ambient temperature and ventilation; contact Liebert Global Services at

 

 

800-543-2378 for assistance.

 

 

Rectifier Overtemp.

The temperature of the heat sink is too high to keep the rectifier running.

The UPS can recover automatically. Check the environment and ventilation.

 

Charger Fault

The charger has a fault. Contact Liebert Global Services at 800-543-2378 for assistance.

 

 

Control Power 1 Fail

Control Power 1 has failed or has been lost. Contact Liebert Global Services at 800-543-2378

for assistance.

 

Mains Phase Reversed

Input phase sequence is inverse. Contact Liebert Global Services at 800-543-2378 for

assistance.

 

Rectifier Overcurrent

The current of rectifier is over limit. Contact Liebert Global Services at 800-543-2378 for

assistance.

 

Soft Start Fail

Rectifier could not start due to low DC bus voltage. Contact Liebert Global Services at

800-543-2378 for assistance.

 

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Contents Liebert NX UPS Page Table of Contents Operator Control and Display Panel UPS SpecificationsOptions Pop-Up Windows Operating InstructionsAppendix a UPS Status Messages Specifications and Technical DataTables Page Important Safety Instructions Battery Cabinet Precautions Glossary of Symbols External Inspections InstallationUPS Location Internal InspectionsPreliminary Checks Considerations in Moving the Liebert NX Battery LocationMechanical Considerations Special Considerations for Parallel SystemsClearances Floor InstallationCable Entry System CompositionCabinet arrangement-Liebert NX units and battery cabinets UPS Lug Size and Torque Requirements Power CablingCable Rating Cabling Guidelines UPS Input ConfigurationInput and output busbars Cable ConnectionsUPS Rectifier and Bypass Input Supply Safety GroundProtective Devices Output System Connections-Ensure Correct Phase Rotation Cabling ProcedureCommon Input Connections Dual Input ConnectionsControl Cables Frequency Converter ModeMonitor Board Features Dry Contacts Maintenance bypass cabinet interface Maintenance Bypass Cabinet InterfaceInput Dry Contacts Input dry contacts atBCB control interface BCB Control InterfaceMain input fault relay center Inverter mode relay centerOutput Dry Contacts Output dry contact relaysIndicates Pin EPO Input-OptionalEPO input contact relays Introduction SafetyBattery Cabinets External Battery Cabinet InstallationInsulated Post Tray Handle For Cabling Connecting the BatteriesInstallation Considerations BCB Shunt Trip Connecting the Battery Cabinet to the UPSNon-Standard Batteries Alber Monitoring System-Optional This power must be UPS protectedLoad Bus Synchronization LBS Cable and SettingsPerformance Requirements LBS CableGeneral Configuring Parallel System OperationFeatures of Parallel System Operation Modes Summary Installing Parallel SystemOperating Principles Redundancy Paralleling Power Cables Cabinet InstallationConditions for Parallel System Preliminary ChecksCables InterconnectingAuxiliary Dry Contact Cables To Load Q1Ext Q2ExtQByp Normally Closed EPO Normally Open EPOEnvironmental characteristics UPS Mechanical CharacteristicsUPS mechanical characteristics Conformity and StandardsUPS terminal UPS Electrical CharacteristicsLiebert approved replacement batteries Rectifier input powerRated Power kVA 100 120 Battery Manufacturer Models SuppliedBypass Input DC Intermediate CircuitInverter Output Left Side GND Left Side View Front View Max. Door Swing U3819205 530628 Pg , Rev BattExt Auxiliary Contacts External Battery CabinetBattery Breaker Top Top Front Right Side System Front RearRear FRONTOutput Run From Conductors Ph A, B, C UPS Inputs Ph A, B, C System InputPh A, B, C UPS Outputs AC OutputGround UPS Utility UPS #1-UPS #4 Module AC Ph A, B, C UPS InputsPh A, B, C System Outputs U3819301 Isometric ViewGeneral Description Single module block diagram dual input configurationBattery Mode Normal ModeBypass Mode Bypass SuppliesParallel Redundancy Mode System Expansion Maintenance ModeDisplay Panel Layout Operator Control PanelDetailed view of control panel Mimic indicators Control buttons Navigation keysMimic display status indicators Mimic Display IndicatorsControl buttons Control ButtonsLCD Overview Audible BuzzerUPS System Information Navigation KeysIcons for navigation keys Description of items in UPS system windowLCD Menus and Data Items Menu Type Item Type Explanation Descriptions of UPS menus and data window itemsMains InputTests Start/stop BatteryLanguage Selection Set date and time Current Date and TimeCurrent status and history log records UPS Status MessagesOpening Display Default ScreenTypes of LCD Screens Screen Saver Window UPS Help ScreenPop-Up Windows UPS operating modes Liebert NX Operating ModesCircuit breakers Circuit BreakersUPS Startup Startup ProcedureIndicator State Switch from Bypass Mode to Normal Mode Switch from Normal Mode to Bypass ModeMaintenance Bypass Procedure and Powering Down the UPS Emergency Shutdown With EPO Auto RestartMulti-Module System Procedures Battery ProtectionBattery Undervoltage Pre-Warning Battery End-of-Discharge EOD ProtectionTie breaker LED Function Status Inserting One Module into a Multi-Module SystemCommissioning a Parallel System Shutdown Procedure-Complete UPS and Load ShutdownParallel System Start Up Communication and Other User Terminals Power OutputAnalog Input Interface Liebert IntelliSlot CommunicationLiebert NX communication options See 10.1.5 ConfiguringComments Baud RatesConfiguring Baud Rates Liebert IntelliSlot Web card display Relay card jumper configuration Relay Card pin configurationRelay Card Pin Function OperationPin Description MultiPort 4 CardAssignment Replacing Dust Filters Remote Alarm MonitorLBS Mode-Load Bus Synchronization Battery torque rating Torque specificationsLug Size and Torque Requirements Cable Lengths Floor to Connection Point Inside UPSParallel system current table Distance to connection points on the Liebert NX UPSLead/Lag ratings External cabinet dimensions, including side panelsCable size and tightening torques 250 10 N*m Estimated battery run time, minutes Battery Run TimesEvent Message Description / Suggested Action if any Services at 800-543-2378 for assistanceUPS status messages Bypass voltage is beyond the normal range High ambient air temperatureBypass voltage exceeds the limit Software according to the customer’s agreementAlarm if applicable Error can also leads to the alarmInverter STS Fail Condition is removedEPO Emergency Power OffUPS status messages UPS Status Messages Page Iti Ne tTi n That
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