Emerson Troubleshooting Liebert GXT3 Beeping and Alarm Silence Instructions
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Troubleshooting

7.0TROUBLESHOOTING

This section indicates various UPS symptoms a user may encounter and troubleshooting steps in the event the UPS develops a problem. Use the following information to determine whether external factors caused the problem and how to remedy the situation.

7.1UPS Symptoms

The following symptoms indicate the Liebert® GXT3™ has malfunctions.

•The related indicators will illuminate, indicating the UPS detected a problem.

•An alarm will sound, indicating that the UPS requires attention.

7.1.1Indicators

In addition to the fault indicator being illuminated, one or more of LED segments of battery level indicator will also be illuminated to provide a diagnostic aid to the user, as shown in Figure 25. The descriptions are listed in Table 8.

Figure 25 Battery level indicator

 

 

 

 

 

 

 

 

 

 

 

 

A

B

C

D

E

 

Table 8

Indicator descriptions

 

 

 

 

 

 

 

 

 

 

 

 

Indicator

Diagnosis/Audible alarm

 

 

 

 

A - E

 

On bypass from output overload (half-second beep every half-second)

 

 

 

 

 

 

A

 

On bypass due to overtemperature condition (1-second beep every 4 seconds)

 

 

 

 

 

 

B

 

On bypass due to DC bus overvoltage (1-second beep every 4 seconds)

 

 

 

 

 

 

C

 

On bypass due to DC/DC power supply failure (1-second beep every 4 seconds)

 

 

 

 

 

 

D

 

On bypass due to PFC failure (1-second beep every 4 seconds)

 

 

 

 

 

 

E

 

On bypass due to inverter failure (1-second beep every 4 seconds)

 

 

 

 

 

 

A&B

 

UPS Failure (includes dual-fan failure, single-fan failure under certain conditions and battery

 

 

charger failure) and continuous alarm

 

 

 

A&C

 

UPS failed battery test (2-second beep every60 seconds)

 

 

 

 

 

 

A&E

 

Bypass feedback (1-second beep every 4 seconds)

 

 

 

 

 

 

 

 

 

 

 

B&E

 

Short circuit on the output

 

 

 

 

 

 

 

 

 

 

 

C&E

 

UPS shutdown by command from communication (USB port or Liebert IntelliSlot™ port) (no

 

 

audible)

 

 

 

 

 

Utility LED flash

L-N reverse

 

 

 

 

 

 

 

 

 

 

Battery Indicator

Battery not connected (continuous horn); check battery connection, power down and restart

Flashing

UPS

 

 

 

 

 

Bypass Indicator

Utility power voltage or frequency is out of tolerance; bypass is unavailable

Flashing

 

 

 

 

 

 

 

Indicators A - E are shown in Figure 25.

If the UPS experiences an overload, the UPS will transfer from bypass back to inverter approximately 5 minutes after the overload ends.

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Contents Liebert GXT3 UPS 120V/208V 500VA-3000VA Page Table of Contents Troubleshooting MaintenanceOperation CommunicationFigures Page UPS Safety Notes Important Safety PrecautionsInformation for the Protection of the Environment Battery SafetyGlossary of Symbols UPS models, power ratings FeaturesModel Nominal Power Rating Available ModelsAppearance and Components Rear Panel FeaturesFront Panel and Controls Ventilation Slots Operation Display Panel15R OutputLiebert GXT3 208V rack/tower models-rear panel components Major Components Rectifier/Power Factor Correction PFC CircuitInverter Operating Mode Battery Recharge Mode Battery ModeFrequency Converter Mode Installation Preparation for InstallationUnpacking and Inspection What’s IncludedTower Installation Mechanical InstallationConnectors Spacers Support Bases Front Plastic Bezel CoverLiebert GXT3 Operation and Display Panel Rotated Clockwise 90 DegreesLiebert UPS External CabinetPulling inner member from each slide rail assembly Rack InstallationInstalling front member of each slide rail assembly Installing rack-mount handles Connecting Battery Cables Connecting Input Plug and LoadsInput circuit breaker specification Cable ConnectionConnecting USB Communication Cables Connecting Communication Cables1 On/Alarm Silence/Manual Battery Test Button Controls and IndicatorsControl Buttons Standby/Manual Bypass ButtonLevel Indicators Battery Level Indicators IndicatorsLoad Level Indicators UPS status indicators UPS Status IndicatorsUPS Status Indicator Icon Color Description Manual Battery Test Startup Checklist for the Liebert GXT3Starting the UPS Manual BypassShut Down the Liebert GXT3 Disconnecting Input Power from the Liebert GXT3Communication Liebert IntelliSlot Communication CardsLiebert MultiLink Factory UPS Model Default, VAC Output Voltage Option, VAC Configuration ProgramUSB Port Communication Output voltage optionAny-Mode Shutdown Terminal Block CommunicationOn Battery Battery Mode ShutdownLow Battery Maintenance Replacing the Internal Battery PackBattery Replacement Procedures Replacement internal battery pack model numberBattery Connector Battery Door Screws Front BezelInternal Battery Pack Handle Pull Out with Battery Handle Precautions Battery ChargingChecking UPS Status Checking UPS FunctionsTroubleshooting UPS SymptomsIndicators Indicator Diagnosis/Audible alarmAudible alarm description Audible AlarmTroubleshooting Condition AlarmTroubleshooting Input Breaker Battery Connectors Battery CabinetSpecifications Weight, lb. kg Dimensions, D × W × H, in. mmEnvironmental Operating temperature parameters Battery cabinet specificationsVAC RT Battery run timesProduct Warranty Registration Specifications Page Is t Ne tTwor k 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.

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