Dell H952N, K805N, J739N, K804N, 3750W, J730N, 4200W manual Action

Page 68

Table 15. Typical Alarms and Conditions (continued)

Alarm or Condition

Possible Cause

Action

Battery test did not run or was interrupted.

One of the conditions listed in

Resolve the condition, then restart the test.

“Running Automatic Battery

 

Tests” on page 53 was not

 

present.

 

The UPS does not transfer to Bypass mode.

The bypass utility does not qualify.

Check the bypass utility. The UPS is receiving bypass utility power that may be unstable or in brownout conditions.

Bypass mode is disabled.

Check that the Bypass settings are configured

 

correctly. See “Settings” on page 42.

UPS on Bypass

The UPS is operating from

(Notice 169)

Bypass mode.

 

Continuous Alarm

 

The equipment transferred to bypass utility power. Battery mode is not available and your equipment is not protected; however, the utility power continues to be passively filtered by the UPS. Check for one of the following alarms: overtemperature, overload, or UPS failure.

On Manual Bypass

UPS was manually commanded

None.

(Notice 143)

to transfer to Bypass mode and

 

will remain in bypass until

 

Intermittent Alarm

 

commanded.

 

 

 

 

 

 

UPS on Battery

A utility failure has occurred

The UPS is powering the equipment with

(Notice 168)

and the UPS is in Battery mode.

battery power. Prepare your equipment for

 

shutdown.

Intermittent Alarm

 

 

 

 

 

 

Battery Disconnected

The UPS does not recognize the

If the condition persists, contact your service

(Alarm 199)

internal batteries.

representative.

 

 

Continuous Alarm

Battery voltage is lower than the

Verify that all batteries are properly connected.

batteries disconnected level

If the condition persists, contact your service

 

 

defined for this UPS. This may

representative.

 

be due to a blown fuse,

 

 

intermittent battery

 

 

connection, or battery cable

 

 

being disconnected.

 

Low Battery Warning

(Alarm 56)

Continuous Alarm

Battery time remaining or battery capacity is lower than the battery low warning level defined for this UPS.

This warning is approximate. The actual time to shutdown may vary depending on the UPS load and presence of an External Battery Module (EBM).

68 Troubleshooting

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Contents Users Guide September 2009 164201789 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 Safety Warnings Installation Inspecting the EquipmentUnpacking the Cabinet Unpacking the CabinetLifting the Cabinet Identifying the UPS Rear Panels 208V Rear Panel230V Rear Panel Identifying the UPS Front Panel Dell Online Rack UPS Front PanelRackmount Setup Removing the Battery Retaining BracketRemoving the Battery Trays Installing the Rails Installing the Cabinet Install the UPS battery trays see Figure Installation Installing the EBM Installing the UPS Front CoverInstalling the UPS Installing Remote Emergency Power-offRepo Connections Wire Function Repo ConnectorHardwiring the UPS Input Circuit Breaker Diagram UPS Input Terminal Block UPS Wiring Specifications UPS Initial StartupInstallation Starting the UPS OperationUPS Startup and Shutdown Starting the UPS on Battery UPS ShutdownControl Panel Functions Control Button Functions Control Button SequenceStartup Screen Changing the LanguageDisplay Functions Screen Locked UPS StatusBattery Mode Bypass ModeBad Battery Detected or Battery Disconnected UPS General Alarms ActiveStatus Summary Screens Description Battery Test Status Normal ModeHigh Efficiency Mode Converter ModeBattery Status Screens Description Event LogMeasurements Control Screens Control Screens DescriptionIdentification Settings Settings Description Available Settings Default SettingSettings 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 EBMConfiguring Automatic Battery Tests Configuring Automatic RestartRunning 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 Transporting the UPS UPS MaintenanceUPS and Battery Care Remove the UPS front cover see Figure When to Replace Batteries Storing the UPS and BatteriesTesting Batteries Updating the UPS FirmwareSpecifications Efficiency Normal mode Power LevelsRegulation Normal mode Regulation Battery modeEnvironmental and Safety Operating TemperatureTemperature Relative Humidity Safety ConformanceBattery Configuration Battery TypeBattery Runtimes VoltageUPS Status Menu TroubleshootingAccessing Alarms and Conditions Typical Alarms and Conditions Event Log MenuAction Troubleshooting Troubleshooting Silencing the Alarm
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H952N, K804N, J739N, K805N, J730N specifications

The Dell J730N, K805N, J739N, 4200W, and 3750W are all high-performance server power supplies designed to provide reliable power solutions for various Dell server models. These power supplies are engineered to ensure maximum uptime, energy efficiency, and seamless operation in data center environments.

Starting with the Dell J730N, this power supply unit is known for its robust design and 730W output capacity. It features hot-swappable functionality, allowing for easy replacement without powering down the server. This is crucial for mission-critical applications where downtime can lead to significant operational challenges. The J730N is compatible with various Dell servers, making it a versatile choice for data centers looking to enhance their power management.

The K805N power supply is another excellent option with a power output of 800W. It incorporates advanced features such as Automatic Voltage Regulation (AVR), which ensures that the output voltage remains stable even during fluctuations in the input voltage. This technology is vital for protecting sensitive server components from potential damage caused by power inconsistencies. Additionally, the K805N is designed with a modular approach, allowing for easy integration and scalability.

The Dell J739N exemplifies Dell’s commitment to energy efficiency with its 750W rating. It meets stringent efficiency standards, making it an environmentally friendly option that helps reduce power consumption and operational costs. The J739N is often used in combination with other Dell equipment to create a cohesive and efficient power management strategy. Its reliability is bolstered by a combination of intelligent internal monitoring systems that detect and address power anomalies.

The 4200W and 3750W power supplies represent higher capacity options for larger, more demanding server environments. These units are equipped with multiple redundant power circuits, ensuring that if one circuit fails, others will continue to supply power without interruption. The advanced cooling technologies utilized in these models also enhance performance and reliability by preventing overheating.

Overall, these Dell power supplies reflect the highest standards in design and technology. They are integral to maintaining the health and efficiency of server operations, contributing significantly to the resilience and effectiveness of data-centered environments. With a focus on compatibility, energy efficiency, and reliability, the J730N, K805N, J739N, 4200W, and 3750W power supplies remain essential components in modern IT infrastructures.
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