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Dell R720XD owner manual Electrical indicator Condition, See Getting Help

Models: R720XD R720

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Electrical indicator

Condition

The indicator blinks amber if the system experiences an electrical error (for example, voltage out of range, or a failed power supply or voltage regulator).

Corrective Action

See the System Event Log or system messages for the specific issue. If it is due to a problem with the power supply, check the LED on the power supply. Re-seat the power supply by removing and reinstalling it. If the problem persists, see Getting Help.

Temperature indicator

Condition

The indicator blinks amber if the system experiences a thermal error (for example, a temperature out of range or fan failure).

Memory indicator

Corrective Action

Ensure that none of the following conditions exist:

•A cooling fan is removed or has failed.

•System cover, cooling shroud, EMI filler panel, memory-module blank, or back-filler bracket is removed.

•Ambient temperature is too high.

•External airflow is obstructed.

See Getting Help.

Condition

The indicator blinks amber if a memory error occurs.

Corrective Action

See the system event log or system messages for the location of the failed memory. Reinstall the memory device. If the problem persists, see Getting Help.

PCIe indicator

Condition

Corrective Action

The indicator blinks Restart the system. Update any required drivers for the PCIe card. amber if a PCIe card Re-install the card. If the problem persists, see Getting Help. experiences an

error.

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Dell R720XD owner manual Electrical indicator Condition, See Getting Help

Contents

Regulatory Type: E14S001 Dell PowerEdge R720 and R720xd Owners ManualRegulatory Model: E14S Series Notes, Cautions, and Warnings 1 About Your System Contents2 Using The System Setup and Boot Manager Installing Memory Modules 3 Installing System ComponentsGeneral Memory Module Installation Guidelines Internal USB Memory Key Optional Removing The Optional Hard-DriveBackplane Back 4 Troubleshooting Your SystemInstalling The Optional Hard-DriveBackplane Back 7 Technical Specifications 5 Using System Diagnostics6 Jumpers And Connectors Disabling A Forgotten PasswordFront-PanelFeatures And Indicators About Your SystemItem Item LCD Panel Features View Menu Setup MenuHome Screen Set errorDiagnostic Indicators Electrical indicator Condition See Getting HelpHard-DriveIndicator Patterns Connector Back-PanelFeatures And IndicatorsIndicator, Button, or PowerEdge R720Connector NIC Indicator CodesIndicator, Button, or ItemPower Indicator Codes Other Information You May Need Using The System Setup and Boot Manager Choosing The System Boot ModeResponding To Error Messages Entering System SetupSystem Setup Options Using The System Setup Navigation KeysSystem Information Screen System Setup Main ScreenSystem BIOS Screen Memory settings screen Processor Settings ScreenMenu Item SATA Settings Screen Boot Settings Screen Integrated devices screenSerial Communications Screen System Profile Settings Screen System Security Screen Assigning A System And/Or Setup Password System And Setup Password FeaturesMiscellaneous Settings To assign a system and/or setup password Operating With A Setup Password Enabled Entering The UEFI Boot ManagerUsing Your System Password To Secure Your System UEFI Boot Menu Using The Boot Manager Navigation KeysBoot Manager Screen Changing The Thermal Settings iDRAC Settings UtilityEntering The iDRAC Settings Utility Embedded System ManagementFront Bezel Optional Installing System ComponentsRecommended Tools Removing The Front BezelOpening The System Installing The Front BezelOpening And Closing The System Inside The System Closing The Systemcooling-fanassembly Cooling Shroud Removing The Cooling ShroudInstalling The Cooling Shroud System memory•number of DIMMs populated per channel Processor General Memory Module Installation GuidelinesProcessor DIMM TypeMemory Optimized Independent Channel Mode Mode-SpecificGuidelinesAdvanced ECC Lockstep Memory SparingSample memory configurations Memory MirroringNumber of Removing Memory Modules 2.Open the system 3.Remove the cooling shroud Installing Memory Modules Hard Drives Removing A 2.5 Inch Hard-DriveBlank Back Installing A 2.5 Inch Hard-DriveBlankRemoving A 2.5 Inch Hard-DriveBlank Installing A 2.5 Inch Hard-DriveBlank Back Removing A 3.5 Inch Hard-DriveBlankRemoving A Hot-SwapHard Drive Installing A 3.5 Inch Hard-DriveBlankInstalling A Hot-SwapHard Drive Removing A Hard Drive From A Hard-DriveCarrier Removing The Optical Drive Installing A Hard Drive Into A Hard-DriveCarrierOptical Drive Optional Installing The Optical Drive Cooling Fans Removing A Cooling FanInstalling A Cooling Fan Removing The Cooling-FanAssemblyInstalling The Cooling-FanAssembly Internal USB Memory Key OptionalRemoving The PCIe Card Holder PCIe Card HolderReplacing The Internal USB Key Installing The PCIe Card Holder Opening And Closing The PCIe Card Holder Latch Installing The Top Cover Lock LatchTop Cover Lock Latch Cable Retention Bracket Removing The Cable Retention BracketExpansion Cards And Expansion-CardRisers Installing The Cable Retention BracketExpansion Card Installation Guidelines Riser Converged expansion card 7.Replace the expansion-cardlatch expansion-cardriser 1 cage Removing Expansion-CardRisers expansion-cardslot chassis intrusion switch Installing Expansion-CardRisers GPU Card Installation GuidelinesInstalling A GPU Card Removing A GPU Card SD vFlash Card Replacing An SD vFlash CardRemoving The vFlash Media Unit Installing The vFlash Media Unit Internal Dual SD Module Removing The Internal Dual SD ModuleInstalling The Internal Dual SD Module Integrated Storage Controller Card Installing An Internal SD CardInternal SD Card Removing An Internal SD CardRemoving The Integrated Storage Controller Card Removing The Network Daughter Card Installing The Integrated Storage Controller CardNetwork Daughter Card Installing The Network Daughter Card ProcessorsRemoving A Processor heat sink close-locksymbol Installing A Processor Power Supplies Hot Spare Feature Removing An AC Power SupplyInstalling An AC Power Supply Required Wires Wiring Instructions For A DC Power SupplyKit Contents Assembling And Connecting The Safety Ground WireAssembling The DC Input Power Wires Removing A DC Power Supply Installing A DC Power Supply Installing The Power Supply Blank System BatteryRemoving The Power Supply Blank Replacing The System BatteryHard-DriveBackplane Removing The Hard-DriveBackplane backplane power cable B backplane signal cablebackplane power cable A release tabscable retention bracket 5.SAS connectors on the backplaneSAS connector mini PERC SAS on the system boardcable retention bracket SAS connector on the system boardSAS connector on the backplane system boardhard-drivebackplane connectors backplane power cablesbackplane signal cable x16 hard-drivebackplanecable retention bracket 5.SAS connectors on the backplaneSAS connector on the system board system boardx8 hard-drivebackplane backplane power cablebackplane signal cable release tabsystem board backplane signal cable hard-drivebackplane connectorsbackplane power cable release tabcable retention bracket release tabs integrated storage controller card cable retention bracketsystem board 5.SAS backplanex24 hard-drivebackplane Installing The Hard-DriveBackplane Removing The Optional Hard-DriveBackplane Back pass-throughI2C cable Installing The Optional Hard-DriveBackplane Back Removing The Control Panel PowerEdge R720 Control Panel BoardInstalling The Control Panel PowerEdge R720 Removing The Control Panel PowerEdge R720xd Installing The Control Panel PowerEdge R720xd Removing The I/O Panel PowerEdge R720xd Removing The System Board Installing The I/O Panel PowerEdge R720xdSystem Board f.internal dual SD module Installing The System Board h.cooling shroud i.power supplys d.internal USB key if installedf.all expansion-cardrisers g.cooling-fanassembly 5.Replace the following a.cable retention bracketTroubleshooting System Startup Failure Troubleshooting Your SystemSafety First-ForYou And Your System Troubleshooting External ConnectionsTroubleshooting A Wet System Troubleshooting A Serial I/O DeviceTroubleshooting A NIC Troubleshooting A Damaged System Troubleshooting Cooling Problems Troubleshooting The System BatteryTroubleshooting Power Supplies Troubleshooting Cooling Fans Troubleshooting System MemoryTroubleshooting An Internal USB Key Troubleshooting An SD CardTroubleshooting A Hard Drive Troubleshooting An Optical DriveTroubleshooting A Tape Backup Unit Troubleshooting A Storage Controller Troubleshooting Expansion Cards Troubleshooting ProcessorsIf the problem persists, see Getting Help Dell Embedded System Diagnostics Using System DiagnosticsDell Online Diagnostics When To Use The Embedded System DiagnosticsSystem Diagnostic Controls Jumpers And Connectors System Board Jumper Settings1J_PS2 2J_SATA_CD 3J_SATA_TBU 4J_BP0 5J_TBU System Board ConnectorsRiser 3 connector USB connector 6J_PS1 7J_IDSDM 8J_NDC 9J_RISER_3A 10J_RISER_3B12J VIDEO REAR 13J COM1 14J IDRAC RJ45 15J CYC Backplane signal connector Disabling A Forgotten PasswordConnector ItemProcessor Technical SpecificationsExpansion slots using riser card Expansion BusMemory DrivesFront Connectors BackDrives InternalExpanded Operating Temperature Environmental TemperatureTemperature Continuous Operation Relative HumidityGaseous Contamination EnvironmentalParticulate Contamination LCD Messages System Error MessagesSystem Messages Viewing LCD MessagesError Code Error Code See Getting HelpError Code Error Code Error Code <location> Error Code<location> Error Code <location>Error Code HelpGetting Help Error Codesee Getting Help Error Code Getting HelpError Code see Getting HelpError Code see Getting HelpError Code See Getting HelpError Code Error Code Alert Messages Diagnostic MessagesWarning Messages Getting Help Contacting Dell