Liebert 30-130kVA manual Condition only causes an alarm, but should

Page 92

Operation

Table 7

Alarms, functions, and corrective actions (continued)

 

 

 

 

 

 

 

 

 

 

Actual

 

 

 

 

 

 

 

 

Alarm/fault

 

 

 

 

 

 

 

 

Name

 

 

 

 

 

 

 

 

Displayed

 

Description

Fault

 

 

 

 

 

On Front

 

of Alarm/

Or

Latch

Dial

Freeze

Event Log

 

Panel

 

Fault

Alarm

Mask

Mask

Mask

Mask

Meaning and Corrective Action(s)

 

 

 

 

 

 

 

 

With the Batt Gnd Fault option installed and

Batt Gnd

 

Battery ground

Alarm

NO

YES

NO

YES

the batt breaker closed, the DSP sees its

Fault

 

fault alarm

BGF input asserted by the SWGR. No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

action required.

 

 

 

 

 

 

 

 

 

Aux Ovtemp

 

Aux Overtemp

 

 

 

 

 

With the Auxiliary temp sensor installed, it

 

Alarm

YES

YES

NO

YES

is reading 85% or more of the specified

Warning

 

Warning

 

 

 

 

 

 

Maximum Aux temperature set point value.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Batt Ovtemp

 

Battery

 

 

 

 

 

With the battery breaker closed the battery

 

Overtemp

Alarm

NO

YES

NO

YES

has exceeded the “Battery Temperature

Warning

 

 

Warning

 

 

 

 

 

Alarm Threshold” set point value.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sensors on the power semiconductor

 

 

 

 

 

 

 

 

heatsinks detect temperatures above the

 

 

 

 

 

 

 

 

steady state limits for these components.

 

 

Heatsink

 

 

 

 

 

The control logic sets off the alarm but does

Heatsink

 

 

 

 

 

 

not shut down the UPS module if the

 

Overtemp

Alarm

NO

YES

NO

YES

Ovtemp

 

condition lasts less than 10 minutes. Check

 

Warning

 

 

 

 

 

 

 

 

 

 

 

 

the air intake, air exhaust, and filters.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reduce the load or transfer it to bypass.

 

 

 

 

 

 

 

 

Contact Liebert Global Services if the alarm

 

 

 

 

 

 

 

 

persists.

 

 

 

 

 

 

 

 

The intake air to the UPS module exceeds

 

 

Inlet Air

 

 

 

 

 

the specified maximum temperature. This

Inlet Air

 

 

 

 

 

 

condition only causes an alarm, but should

 

Overtemp

Alarm

NO

YES

NO

YES

be corrected immediately to prevent

Ovtemp

 

 

Warning

 

 

 

 

 

equipment overheating. Check to make

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sure nothing is blocking the inlet air and that

 

 

 

 

 

 

 

 

the air filter is clean.

Ups Ambient

 

UPS Ambient

 

 

 

 

 

The Outlet air temperature has exceeded

 

Alarm

NO

YES

NO

YES

85% of its “Maximum outlet air temperature”

OvTemp

 

OvTemp

 

 

 

 

 

 

limit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A fault in the designated Fan motor has

 

 

 

 

 

 

 

 

occurred. This condition only causes an

 

 

 

 

 

 

 

 

alarm, but if not promptly corrected it could

Pwr pole Fan

Power pole

Alarm

NO

YES

NO

YES

cause an equipment over-temperature

1 Fail

 

Fan 1 Fail

condition that would shut down the UPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Module. Check the Fans for proper

 

 

 

 

 

 

 

 

operation. Contact Liebert Global Services

 

 

 

 

 

 

 

 

if you require assistance or to replace a fan.

 

 

 

 

 

 

 

 

A fault in the designated Fan motor has

 

 

 

 

 

 

 

 

occurred. This condition only causes an

 

 

 

 

 

 

 

 

alarm, but if not promptly corrected it could

Pwr pole Fan

Power pole

Alarm

NO

YES

NO

YES

cause an equipment over-temperature

2 Fail

 

Fan 2 Fail

condition that would shut down the UPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Module. Check the Fans for proper

 

 

 

 

 

 

 

 

operation. Contact Liebert Global Services

 

 

 

 

 

 

 

 

to replace a fan.

 

 

 

 

 

 

 

 

A fault in the designated Fan motor has

 

 

 

 

 

 

 

 

occurred. This condition only causes an

 

 

 

 

 

 

 

 

alarm, but if not promptly corrected it could

Pwr pole Fan

Power pole

Alarm

NO

YES

NO

YES

cause an equipment over-temperature

3 Fail

 

Fan 3 Fail

condition that would shut down the UPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Module. Check the Fans for proper

 

 

 

 

 

 

 

 

operation. Contact Liebert Global Services

 

 

 

 

 

 

 

 

to replace a fan.

84

Image 92
Contents Npower UPS Page Table of Contents Maintenance Communication InterfacesFigures Page Tables Page Important Safety Instructions Overview of Manual System Description Safety Precautions Factory Backup and Service AssistanceReliability VersatilityInput Power Failure Modes Of OperationNormal Load On UPS RechargeSYS. Status Mimic DisplayCHG Operator Controls OptionsUPS Module Battery SystemGeneral Component Description Firmware Detailed Component DescriptionsControls Hardware Input Power Factor Battery Charging CircuitRectifier/Charger OperationBattery Disconnect Battery Charge Current LimitingBattery Equalize Charge Circuit Operation After End-of-dischargeNonlinear Load Characteristics Unbalanced Load CharacteristicsStatic Bypass Switch Static Switch Backfeed ProtectionTransfer and Retransfer Conditions Operation Operation Operator Control Panel Navigation ButtonsRotary Switch Rotary switchConfiguration User SettingsSecurity Access and Passwords Prev Cancel Save & ExitDisplay Screens and Procedures Menu TreePrimary Screens Secondary ScreensMain Menu Screen Mimic Display ScreenFaults Faults / AlarmsRect DischgMimic Display SYS. StatusDC BUS / Battery Status Input StatusFreq Temps DEG C Inlet AIR Outlet AIR Heat SinksOutput Load Status Freq .9 HZ 213 214 Phase DiffBypass Input Status Active Faults and Alarms Faults and AlarmsUser Shutdown EXI TSystem Ratings NextAuto Startup Manual StartupSecond Scenario Input Modify Current Limit Target and Ramp Values Modify DC BUS SET Point Target and Ramp ValuesServ Skip AbortSIB External Maintenance Bypass External maintenance bypass switch, dual-input UPSExternal maintenance bypass switch, single-input UPS Multiple Battery Cabinets External Maintenance Bypass Switch ConfigurationsUser Shutdown ShutdownStatus Reports System StatusHistory LOG Clear History Logs Clear Event LOG Status ReportsEvent Log Event LOGTotal History LOG 02 / 10OUT-V IN-V Load Freq OutputSBS Line Trap SBS Load Input of / UFConfiguration Screens ExitDC BUS Volts Input FrequencyOutput Frequency PrevSystem Settings Cancel Save & ExitSystem Settings Current DateNext PREV. Cancel Save & Exit Current TimeOrder Number TimeEnter Password Single / Dual InputDual Output Transformer Bypass WIND. no10% Passive Filter Settings OptionsActive Filter LBS Generator Auto Restart OptionsPulse Rectifier Battery GND Fault Green Machine Alternate Power Pole FAN noLine Drop Compensation Prev ExitNext Exit Communication OptionsAuto Dial Pager Support Configuration Pager Enabled Pager Number Pager PINModem Health Check Auto Dial YES Auto Dial OUT PagerPREV. Cancel Next PREV. Cancel Next Cancel 10 % Passive Filter SettingsFactory Settings Alarm Mask LatchingDial FreezeAlarm / Fault Name Alarm / Fault Name Battery Fuse FailAlarm / Fault Name F E Save & Exit CancelCustomer Alarm Interface Auto DialRemote LED Board # Customer Alarm InterfaceProgrammable Output Relay Board # STD SET Relay AssignmentsSTD SET User Defined Prog Relay # UP Down ADD Remove Clear ExitNavigating Protocol Manual TransferBattery Management Battery TestAuto Test Battery Cycle Battery DurationBattery Equalizer MIN MAX WeeksEnabled Disabled AutoManual Stop StartBattery Temp Compensation Charge TemperatureBattery Temperature Compensation Charge Equalize Time PeriodBattery Temp Compensation Battery Cycle MonitorClear Summary YES / no Battery Cycle MonitorSummary Clear BCM Time Down Seconds Discharge CyclesSummary Battery Time Low Warning BATT. EOD Lower SET Point BATT. EOD Upper SET PointAuto Restart Battery SupplementBATT. Time LOW Warning Alarm Notifications Auto Restart Trigger ConditionSystem Status System Status MonitoringSystem Status Sign OFF Date 10/30/01Next Prev Save & Exit Sign OFF Date 10/30/02Accumulated Backup Hours Accumulated Operating Hours on UPSAccumulated Operating Hours on Bypass Accumulated # of Brown OutsFaults, Alarms, Status FaultsAlarm / Fault Name F E Delay On Battery Input Contact #1UP Down Description L Latching...D DialSummary Alarm Messages Alarms, functions, and corrective actionsContact Liebert Global Service to check Excess load from the UPS and attempt to EPO Maximum heat sink temperature limit This is a summary event based on Battery is discharging. This occurs RMS input current has reached Output kVA or kW or RMS current has With the load on UPS, PhaseB output KVA Condition only causes an alarm, but should Push-button switch located on See 3.3.7 Battery Management All of the alarms before attempting to Communication Interfaces StatusAuto-Dial 1 RS-232 Port Local Reporting TerminalWorldwide Reporting Requesting Information Dial Out PagerRemote Alarm Status Panel SiteScanOK to Transfer Setting Up External Communication DevicesLoad on Bypass Input Power Failure Load on Battery Momentary OverloadsAutomatic Operations OverloadsAutomatic Transfers to Bypass Automatic Re-transfers to UPSAutomatic Module Off Line Maintenance Routine Maintenance Battery MaintenanceRecord Log Air FiltersBattery Safety Precautions Battery voltage record Torque RequirementsReporting a Problem Detecting TroubleCorrective Actions Recommended Test EquipmentMaintenance 101 Maintenance 102 Page Ne t