Emerson Series 610 manual Alarm messages meaning and corrective action

Page 71

Operation

Table 9

Alarm messages - meaning and corrective action

Alarm

 

 

Cabinet

Special

 

Message

 

Location

Functions

Meaning and Corrective Action

AC INPUT

 

 

 

 

 

 

 

 

 

 

The rectifier input line voltage is outside of specified limits or the input

 

 

 

 

 

circuit breaker is opened while the battery circuit breaker remains closed.

Input Fail

 

 

MMU

—

The battery supplies power to the critical load through the UPS inverter.

 

 

 

 

 

Provide an alternate source of AC power or prepare to initiate critical load

 

 

 

 

 

procedures when battery reserve time is low.

DC BUS

 

 

 

 

 

 

 

 

 

 

Either the positive (+) or negative (-) DC bus is grounded. No transfer or

DC Ground Fault

 

MMU

D, L, S

shutdown occurs.

 

Contact Liebert Global Services at once. Do not attempt to locate or repair

 

 

 

 

 

 

 

 

 

 

the fault.

 

 

 

 

 

At least one DC capacitor fuse has opened. The UPS module is taken off-

DC Capacitor

 

MMU

D, F, S

line and the input and battery circuit breakers trip open.

Fuse Blown

 

 

Contact Liebert Global Services at once. Do not attempt to reset the

 

 

 

 

 

 

 

 

 

circuit breakers.

 

 

 

 

 

The module battery circuit breaker (MBD) is open. This circuit breaker can

 

 

 

 

 

be opened either manually or automatically in a UPS shutdown

 

 

 

 

 

procedure. If the UPS is operating with this breaker open, the critical

Battery CB Open

 

MMU

D, R, S

load is not protected from loss of the utility source power.

 

 

 

 

 

After AC power is restored and the DC bus is at 100% operating voltage,

 

 

 

 

 

manually close the battery circuit breaker so the rectifier can charge the

 

 

 

 

 

battery.

 

 

 

 

 

The battery is discharging. This occurs whenever the battery supplies

 

 

 

 

 

power to the load for more than 5 seconds because of input power failure,

 

 

 

 

 

a rectifier problem or an overload condition. If the input power or a source

Battery

 

 

MMU

D, R, S

of auxiliary power is restored to the UPS module, the UPS automatically

Discharging

 

 

returns to normal operation.

 

 

 

 

 

 

 

 

 

Watch the battery voltage carefully. Reduce the load (begin controlled

 

 

 

 

 

shutdown) to extend the battery back-up time. Reset the UPS alarms after

 

 

 

 

 

the input power is restored. The message clears after 30 seconds.

 

 

 

 

 

The battery voltage is approaching the minimum discharge voltage

Low Battery

 

 

MMU

D, R, S

(approximately 5 minutes remaining).

Warning

 

 

Complete the controlled shutdown of the critical load. Reset the alarms if

 

 

 

 

 

 

 

 

 

the input power is restored before shutdown.

 

 

 

 

 

The battery voltage has decreased to the minimum discharge value. The

Low Battery

 

 

 

 

UPS module is taken off-line (no power to the critical load) and the

 

 

MMU

D, F, L, S

battery and input circuit breakers trip open.

Shutdown

 

 

 

 

 

 

Perform a UPS system start-up procedure when AC power becomes

 

 

 

 

 

 

 

 

 

 

available.

 

 

 

 

 

The maximum preset value of the DC Bus voltage has been exceeded.

DC Overvoltage

 

 

 

The UPS module is taken off-line and the input and battery circuit

 

MMU

D, F, L, S

breakers trip open.

Shutdown

 

 

 

 

 

 

Contact Liebert Global Services at once. A fault may have occurred within

 

 

 

 

 

 

 

 

 

 

the UPS. Do not attempt to reset the circuit breaker.

BYPASS

 

 

 

 

 

 

 

 

 

 

The critical load is being supplied power from the bypass line and is

Load On Bypass

 

SCC

D

therefore exposed to utility power disturbances.

 

Clear all of the alarms before attempting to retransfer the load from the

 

 

 

 

 

 

 

 

 

 

bypass line to the UPS.

Table 9 Abbreviations

 

 

D = auto-dial;

 

L = latches

 

 

E = logs only;

 

R = remote

 

 

F = freezes;

 

S = summary

 

 

D* = auto-dial initiated by Auto Transfer to Bypass if load is on UPS when alarm occurs

D# = auto-dial initiated through Module N (1-6) off-line

65

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Contents Liebert Series 610 UPS Battery Cabinet Precautions Table of Contents Specifications MaintenanceFigures Tables Important Safety Instructions Multi-Module UPS, 100-500kVA System DescriptionMulti-Module UPS, 500-750kVA Designed for Success ReliabilityTypes of System Control Cabinets SCCs Other Factors to Consider Safety PrecautionsInput Power Failure Modes of OperationOperator Controls 1989-2003 Options BatteryTwo Breaker Maintenance Bypass Battery Racks or CabinetsModule Battery Disconnect Three Breaker Maintenance BypassSystem Control Cabinet General Component DescriptionsUPS Module Battery PlantSoftware Detailed Component DescriptionsControls Hardware Input Circuit Breaker Input Power FactorRectifier/Charger OperationBattery Equalize Charge Circuit Battery Charging CircuitBattery Disconnect Battery Charge Current LimitingOutput Regulation and Overload Performance Non-Linear Load CharacteristicsUnbalanced Load Characteristics InverterShorted SCR Monitoring Static BypassFuse Protection Load Transfers Static Switch IsolationPulsed Parallel Operation Transfer and Retransfer Conditions Retransfer Inhibited Redundant ModeDisplay Screen and Operator Controls FeaturesDescription Function 500kVA1000kVA Operation Description Location Function Refer to 3.4.5 Shutdown ProceduresNumbers are used as keys to data in , below Switches behind SCC control panel door Menu tree Menu Tree NavigationModule Master Menu Master Menu ScreenSCC Master Menu Operation Output Metering Displays SCC Monitor/Mimic Display ScreenInput Metering Displays Item 6 System Status Messages Status/Alarm Message AreasItem 7 Alarm Messages Item 5 Module Status MessagesModule Monitor/Mimic display screen Module Monitor/Mimic Display ScreenItem 5 Alarm Messages Alarm MessagesModule Display SCC DisplayMonitor/Mimic display example Utility fail 2700kVAKVA//2170 KWkW 325A0A 325A0A 325A0A Upsinputpwr Battery MOD 1 OFF Line SUM ALM MVODLTS2 OFF540 Line SUM ALM Walk-in display screen during start-up Walk-In Display ScreenPresent Status Status Reports ScreensModule Status Report Event HistorySCC Status Report History status report screens History StatusAlarm in SCC Alarm in Module Alarm conditions that freeze history data gatheringSystem Status Battery Cycle Monitor-Module OnlyBattery cycle monitoring summary screen SCC system configuration screen System Configuration ScreensDate screen DateTime screen TimeAuto Dial Auto dial setting screenMaximum Auto-Retransfer Attempts Modem Baud RateRetransfer Attempts System Current RatingLanguage Selection System OptionsContinuous Duty Static Switch Optional Battery test screen-MMU onlySCC and module remote monitor indications Remote MonitorModule alarm limit settings screen Alarm Limit Settings ScreenTemperature Limit Setting Optional Battery Float VoltageRefer to 3.4.3 Load Transfer Procedures for more details Load Transfer Procedures ScreenRefer to 3.4.1 SCC Start-Up Procedure for more details Start-Up Procedures ScreenModule start- up procedures screens Shutdown Procedures ScreenSCC shutdown procedures screen Battery time screen 15 minute discharge Battery Time Screen Module OnlyElapsed Time Minutes Upper Limit Actual Lower LimitOperation Meter calibration screen Meter Calibration ScreenBattery equalize screen Battery Equalize ScreenSystem Status Messages Alarm and Status Messages Module Status MessagesAbbreviation Definition Abbreviations used in alarm messagesLoad Block Messages Alarm messages meaning and corrective action Control Power Manual ResetStatic Switch Bypass PhaseModule N Off Reverse PowerInverter Fault TransferNew Alarm Battery OvertempOvertemperature TimeoutSpecial Functions Alarm messages summaryAlarm Message Requesting Information Communication InterfacesWorldwide Reporting Auto-DialSite Reporting SiteScan or Snmp Local Reporting to a TerminalLocal Reporting to a Monitor Separate / Simultaneous Outputs Liebert Series 610 terminal commandsRemote Monitor Panel Circuit breaker abbreviations Abbreviation Circuit Breaker OK to Transfer Load on BypassLoad on bypass, UPS available Momentary Overloads Momentary overload, pulsed static bypass switchInput power fail-load on battery Input Power Failure-Load on BatteryOne module off-line, load on UPS One Module Off-LineLoad on UPS-battery not available Off BatteryEmergency Modules Off Refer to 3.4.5 Shutdown ProceduresEmergency power off Remote Emergency Power OffSystem Shutdown Refer to 3.3.10 Maintenance BypassLoad on maintenance bypass, two breakers Refer to 3.5 Automatic Operations for more details Manual ProceduresSCC Start-Up Procedure Operation Operation SCC start-up procedures screen UPS Module Start-Up Module start-up procedures screen Operation Manual Transfer Instructions UPS Lead Load Transfer ProceduresIf the load is on the UPS System Bypass Maintenance Bypass Load TransfersIf the load is on Maintenance Bypass Shutdown Procedures System Shutdown Procedure Module Shutdown Procedure Local Emergency Modules Off Lemo Remote Emergency Power Off RepoAutomatic Operations 150% Overloads Without TransferAutomatic Transfers to Bypass 1000%Automatic Emergency Modules Off Automatic Retransfers to UPSAutomatic Module Off-Line Maintenance Training Liebert Global ServicesMaintenance Agreements The Signature Program Professional Start-UpAir Filters Routine MaintenanceRecord Log Limited Life Components Battery Safety Precautions Battery MaintenanceAvertissement Number of Cells Battery Voltage VDC Nominal Float Matching Battery Cabinets OptionalRack-Mounted Batteries Battery retorque valuesBattery voltage record Torque Requirements Torque specifications unless otherwise labeledDetection of Trouble Recommended Test Equipment Reporting a ProblemUpstream Feeder Circuit Breaker Setting Inspections Corrective ActionsKVA Power factor pf KVARating Environmental Conditions Specifications applicable to environmentBattery Operation AdjustmentsElectrical Specifications Specifications 112 Page Locations
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Series 610 specifications

The Emerson Series 610 is a cutting-edge solution for precise process measurement and control, designed specifically for industries where accuracy and reliability are paramount. This advanced instrument, often utilized in oil and gas, chemical processing, and water treatment sectors, combines innovative technology with robust features to meet the demanding requirements of modern industrial applications.

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