Emerson GXT3, 208V Audible Alarm, Audible alarm description, Troubleshooting, Condition Alarm

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Troubleshooting

7.1.2Audible Alarm

An audible alarm will be used in conjunction with the visual indicators to indicate to the user a change in UPS operating status. The audible alarm will enunciate as given in Table 9.

Table 9 Audible alarm description

Condition

Alarm

 

 

Battery discharge

half-second beep every 10 seconds

 

 

Low battery

Two half-second beeps every 5 seconds

 

 

UPS fault, load on bypass

1-second beep every 4 seconds

 

 

UPS fault, no power to load

Continuous

 

 

Overload

half-second beep every half second

 

 

Battery replacement

2-second beep every 60 seconds

 

 

Battery loss

Continuous

 

 

Wiring problem (including line-to-neutral reversal

Continuous

or a loss of proper grounding for UPS)

 

Bypass reminder

1-second beep every 2 minutes

7.2Troubleshooting

In the event of an issue with the UPS, refer to Table 10 to determine the cause and solution. If the issue persists, contact Emerson Channel Support.

Table 10

Troubleshooting

 

 

 

 

 

 

 

Problem

Cause

Solution

 

 

 

 

UPS fails to start when the

 

Ensure UPS is Off. Disconnect all loads and

 

ensure nothing is lodged in output receptacles.

On/Alarm Silence/Manual

UPS is short-circuited or overloaded

Ensure loads are not defective or shorted

Battery Test button is pressed

 

 

internally.

 

 

 

 

 

 

 

 

 

 

UPS is operating from battery mode, ensure

 

 

UPS not plugged in

UPS is securely plugged into the wall

 

 

 

receptacle.

 

 

UPS input protection circuit breaker

UPS is operating from battery mode. Save data

Battery indicator is illuminated

and close applications. Reset UPS input

has opened

 

 

breaker, then restart UPS.

 

 

 

 

 

 

 

 

 

 

UPS is operating from battery mode. Save data

 

 

Utility power is out of tolerance

and close applications. Ensure utility supply

 

 

 

voltage is within acceptable limits for UPS.

 

 

Batteries are not fully charged

Keep UPS plugged in continuously at least 24

 

 

hours to recharge batteries.

 

 

 

UPS has reduced battery

UPS is overloaded

Check load level indicator and reduce the load

on the UPS.

backup time

 

 

 

Batteries may not be able to hold a

Replace batteries. Contact your local dealer,

 

 

Emerson representative or Emerson Channel

 

 

full charge due to age

 

 

Support for replacement battery kit.

 

 

 

 

 

 

 

Fault and Bypass indicators and

 

Check load level indicator and remove non-

 

essential loads. Recalculate the load and reduce

all LED segments of battery

UPS overloaded or load is faulty

number of loads connected to UPS. Check load

level indicator are illuminated

 

 

for faults.

 

 

 

 

 

 

 

 

 

 

Ensure UPS is not overloaded, ventilation holes

Fault and Bypass indicators and

UPS shutdown due to

not blocked, or room ambient temperature is not

excessive. Wait 30 minutes to allow UPS to cool,

diagnostic A indicator are

overtemperature condition. Load is

then restart UPS. If UPS will not restart, contact

illuminated

 

on bypass power

 

your local dealer, Emerson representative or

 

 

 

 

 

 

Emerson Channel Support.

 

 

 

 

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Contents Liebert GXT3 UPS 120V/208V 500VA-3000VA Page Table of Contents Operation MaintenanceTroubleshooting CommunicationFigures Page Important Safety Precautions UPS Safety NotesBattery Safety Information for the Protection of the EnvironmentGlossary of Symbols Model Nominal Power Rating FeaturesUPS models, power ratings Available ModelsFront Panel and Controls Rear Panel FeaturesAppearance and Components Ventilation Slots Operation Display PanelOutput 15RLiebert GXT3 208V rack/tower models-rear panel components Inverter Rectifier/Power Factor Correction PFC CircuitMajor Components Operating Mode Frequency Converter Mode Battery ModeBattery Recharge Mode Unpacking and Inspection Preparation for InstallationInstallation What’s IncludedConnectors Spacers Support Bases Mechanical InstallationTower Installation Front Plastic Bezel CoverLiebert UPS External Operation and Display Panel Rotated Clockwise 90 DegreesLiebert GXT3 CabinetRack Installation Pulling inner member from each slide rail assemblyInstalling front member of each slide rail assembly Installing rack-mount handles Input circuit breaker specification Connecting Input Plug and LoadsConnecting Battery Cables Cable ConnectionConnecting Communication Cables Connecting USB Communication CablesControl Buttons Controls and Indicators1 On/Alarm Silence/Manual Battery Test Button Standby/Manual Bypass ButtonLoad Level Indicators IndicatorsLevel Indicators Battery Level Indicators UPS Status Indicator Icon Color Description UPS Status IndicatorsUPS status indicators Starting the UPS Startup Checklist for the Liebert GXT3Manual Battery Test Manual BypassDisconnecting Input Power from the Liebert GXT3 Shut Down the Liebert GXT3Liebert MultiLink Liebert IntelliSlot Communication CardsCommunication USB Port Communication Configuration ProgramFactory UPS Model Default, VAC Output Voltage Option, VAC Output voltage optionTerminal Block Communication Any-Mode ShutdownLow Battery Battery Mode ShutdownOn Battery Battery Replacement Procedures Replacing the Internal Battery PackMaintenance Replacement internal battery pack model numberInternal Battery Pack Handle Pull Out with Battery Handle Battery Door Screws Front BezelBattery Connector Checking UPS Status Battery ChargingPrecautions Checking UPS FunctionsIndicators UPS SymptomsTroubleshooting Indicator Diagnosis/Audible alarmTroubleshooting Audible AlarmAudible alarm description Condition AlarmTroubleshooting Battery Cabinet Input Breaker Battery ConnectorsSpecifications Environmental Dimensions, D × W × H, in. mmWeight, lb. kg Battery cabinet specifications Operating temperature parametersBattery run times VAC RTProduct Warranty Registration Specifications Page Twor k Ne tIs t Care
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GXT3, 208V specifications

The Emerson 10-30 kVA, 208V uninterruptible power supply (UPS) solution is a robust system designed to provide reliable power protection for critical applications in commercial and industrial settings. This UPS is ideal for safeguarding IT equipment, communication systems, and other sensitive electronics against power disturbances and interruptions.

One of the standout features of the Emerson 10-30 kVA UPS is its modular design, allowing for flexibility and scalability. This means that as the power needs of a facility grow, the UPS can be easily expanded without requiring a complete system overhaul. This modularity contributes to a more efficient use of resources and minimizes operational costs.

The UPS also incorporates advanced technologies such as double-conversion online architecture, which provides the highest level of power quality. This technology ensures that the output power is consistently clean and stable, effectively eliminating harmful voltage fluctuations and frequency variations. Consequently, connected load receives a pure sine wave output, preventing potential damage or operational issues with sensitive equipment.

Another key feature is the high efficiency rating of the Emerson UPS, which exceeds 95 percent in typical operating conditions. This high efficiency translates to reduced energy costs and a smaller carbon footprint, aligning with modern sustainability goals. The cooling system is designed to be efficient as well, ensuring optimal performance while maintaining a compact footprint.

The user-friendly interface enhances operability, featuring an intuitive LCD display that allows for easy monitoring of critical power parameters. Users can access real-time data related to battery health, load levels, and operational status, which aids in effective management of the power supply.

Battery management is another critical aspect of the Emerson UPS. It employs advanced battery management technologies to ensure optimal battery life and performance. Features such as intelligent battery testing and monitoring help predict potential battery failures before they occur, allowing for proactive maintenance and minimized downtime.

In summary, the Emerson 10-30 kVA, 208V UPS offers a combination of modularity, high efficiency, advanced technologies, and effective power management features that cater to the demanding needs of critical applications. With its reliable performance and user-friendly operation, this UPS solution is an excellent choice for organizations looking to protect their valuable equipment from power disturbances.
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