Dell H950N, K803N, J728N, H967N manual Troubleshooting

Page 70

Table 16. Typical Alarms and Conditions (continued)

Alarm or Condition

Possible Cause

Action

 

 

 

Output Overload

The load level is at or has

The UPS can support the load indefinitely at

(Alarm 25)

exceeded the configurable

this load level.

threshold limit for a Level 1

 

Continuous Alarm

The alarm clears when the load drops below

Overload condition.

5% of the set point.

 

 

 

 

 

 

 

 

Output Overload Level 2

The load level is >101% and

Remove some of the equipment from the

(Alarm 159)

<110% of the UPS rating.

UPS. The UPS continues to operate, but

 

transfers to Fault mode in two minutes.

Continuous Alarm

 

 

The alarm clears when the load drops below

 

 

 

 

 

 

5% of the set point.

 

 

 

Output Overload Level 3

The load is >110% of the UPS

Remove some of the equipment from the

(Alarm 162)

rating.

UPS. The UPS continues to operate, but

 

transfers to Fault mode in 300 ms to one

Continuous Alarm

 

 

second.

 

 

 

 

 

 

The alarm clears when the load drops below

 

 

 

5% of the set point.

 

 

 

Battery DC Over Voltage

Battery voltage levels have

The UPS turns off the charger until the next

(Alarm 68)

exceeded the maximum

power recycle. Contact your service

allowable limits.

representative.

Continuous Alarm

 

 

 

 

 

Charger Failure

A battery charger fault has been

The UPS turns off the charger until the next

(Alarm 34)

detected.

power recycle. Contact your service

 

representative.

Continuous Alarm

 

 

 

 

 

 

Inverter AC Over Voltage

The UPS has detected

The UPS transfers to Bypass mode if

(Alarm 0)

abnormally high inverter

supporting the load.

voltage levels.

 

Continuous Alarm

 

 

 

 

 

 

Inverter AC Under Voltage

The UPS has detected

The UPS transfers to Bypass mode if

(Alarm 1)

abnormally low inverter voltage

supporting the load.

levels.

 

Continuous Alarm

 

 

 

 

 

 

Rectifier Input Over Current

The UPS has detected that

The UPS transfers to Bypass mode if

(Alarm 26)

rectifier input current limits

supporting the load.

have been exceeded.

 

Continuous Alarm

 

 

 

 

 

 

Inverter Output Over

The UPS has detected that the

The UPS transfers to Bypass mode if

Current

inverter output current limits

supporting the load.

(Alarm 27)

have been exceeded.

 

 

 

Continuous Alarm

 

 

 

 

 

 

70

Troubleshooting

 

 

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Contents Users Guide September 2009 S 164201788 Table of Contents RS-232 and USB Communication Ports Dell UPS Management SoftwareTesting Batteries UPS Status Menu Event Log MenuIntroduction Dell Online Rack UPSIntroduction Finding Information What are You Looking For? Find It HereSafety Warnings UPS Output PowerSafety Warnings Do not add weight to slide/rail mounted equipment Installation Inspecting the EquipmentUnpacking the Cabinet Unpacking the CabinetLifting the Cabinet Identifying the UPS Rear Panels 120V Rear PanelIdentifying the UPS Front Panel 230V Rear PanelRackmount Setup Opening the Metal Battery CoverIf installing additional UPSs, repeat for each cabinet Positioning the Rails Attaching the Rails to the Rack Installing and Securing the Cabinet Installing the Battery Tray Install the UPS front cover see Figure Installing the EBM Removing the Battery Connector CoverInstalling the Strain Relief Bracket Installing the UPS EBM InstallationInstalling Remote Emergency Power-off Repo Connections Wire FunctionRepo Connector Power Cord Ratings Minimum Upstream Circuit Breaker Rating UPS Output PowerUPS Initial Startup Installation UPS Startup and Shutdown OperationStarting the UPS Starting the UPS on Battery UPS ShutdownControl Panel Functions Control Button Functions Control Button SequenceDisplay Functions Changing the LanguageStartup Screen Screen Locked UPS StatusBad Battery Detected or Battery Disconnected Battery ModeBypass Mode UPS General Alarms ActiveHigh Efficiency Mode Status Summary Screens Description Battery Test StatusNormal Mode Converter ModeBattery Status Screens Description Event LogMeasurements Control Screens Control Screens DescriptionSettings Description Available Settings Default Setting SettingsIdentification Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Transferring from Normal to Bypass Mode Transferring the UPS Between ModesSetting Power Strategy Transferring from Bypass to Normal ModeRetrieving the Event Log Behavior on OverloadConfiguring Load Segments Controlling Load Segments Through the DisplayConfiguring Automatic Start Delay Configuring Automatic on Battery Shutdown Configuring Battery Settings Configuring the UPS for an EBMRunning Automatic Battery Tests Configuring Automatic RestartConfiguring Automatic Battery Tests Additional UPS Features RS-232 and USB Communication PortsRS-232 Communication Port Pin Assignment GNDDell Network Management Card Optional Dell Network Management CardDell UPS Management Software UPS and Battery Care UPS MaintenanceTransporting the UPS Remove the UPS front cover see Figure Disconnect the internal battery connectors see Figure When to Replace Batteries Storing the UPS and BatteriesTesting Batteries Updating the UPS FirmwareSpecifications Regulation Battery mode Power LevelsRated at nominal inputs Regulation Normal mode Environmental and SafetyVoltage Battery ConfigurationBattery Runtimes FusesAccessing Alarms and Conditions TroubleshootingUPS Status Menu Typical Alarms and Conditions Event Log MenuAction Troubleshooting Troubleshooting Silencing the Alarm

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