Dell E04J001, E04J Series, E03J001, E03J Series Troubleshooting Enclosure Management Modules

Page 52

Troubleshooting Enclosure Management Modules

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service

and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

CAUTION: It is recommended that you turn off the host server before turning off the enclosure to prevent loss of data.

If the EMM status LED is solid or blinking amber (2 or 4 times per sequence): a Turn off the server.

b Remove the EMM and verify that the pins on backplane and EMM are not bent. See "Removing an EMM" on page 37.

c Reinstall the EMM and wait for 30 seconds. See "Installing an EMM" on page 39.

d Turn on the server.

e Check the EMM status LED.

If the problem is not resolved, see "Getting Help" on page 57.

If EMM status LED is blinking amber (5 times per sequence), update the firmware to the latest supported firmware on both the EMMs. For more information about downloading the latest firmware, see "Downloading Firmware" on page 26.

If the link status LEDs are not green: a Turn off the server.

b Reseat the cables on the storage enclosure and the server.

c Restart the storage enclosure and wait until enclosure is fully booted. d Turn on the server.

e Check the link status LED. If the link status LED is not green, proceed to the next step.

f Replace the cables.

If the problem is not resolved, see "Getting Help" on page 57.

52

Troubleshooting Your Enclosure

Image 52
Contents Dell PowerVault MD1200 and MD1220 Storage Enclosures October Contents Installing Enclosure Components Troubleshooting Your Enclosure Contents Front-Panel Features and Indicators About Your EnclosureEnclosure power is on Front-Bezel Features and Indicators Connector Hard drives Enclosure mode switchIndicator, Button, or Icon Hard-Drive Indicator Patterns Hard Drive IndicatorsBack-Panel Features and Indicators Enclosure Management Module OUT Lights green when all the links out Enclosure Alarms Enclosure Failover When Two EMMs are InstalledEMM Thermal Shutdown Power Indicator Codes Other Information You May Need Before You Begin Operating Your Storage EnclosureCabling Your Enclosure Connecting the Enclosure Connecting a SAS Cable SAS cable Pull-tab Page Page Host controller Changing Your Enclosure’s Operating Mode Managing Your Storage Enclosure Downloading FirmwareInstalling Enclosure Components Recommended ToolsFront Bezel Optional Removing the Front BezelInstalling the Front Bezel Hard Drives Safety Models AMT, E03J, and E04JRemoving a Drive Blank Release tab Installing a Drive Blank Removing a Hard DriveInstalling a Hard Drive Removing and Installing a Hard Drive Release buttonRemoving a Hard Drive From a Hard-Drive Carrier Screws Installing a Hard Drive Into a Drive Carrier Removing an EMM BlankInstalling an EMM Blank Removing and Installing an EMM Blank Release latch EMM blankRemoving an EMM Removing and Installing an EMM Installing an EMM Power Supply/Cooling Fan ModuleRemoving a Power Supply/Cooling Fan Module Removing and Installing a Power Supply/Cooling Fan Module Installing a Power Supply/Cooling Fan Module 10. Securing the Power Cable Velcro strapControl Panel Removing the Control PanelRelease pin Backplane Installing the Control PanelRemoving the Backplane Page Captive screw Installing the Backplane Installing Enclosure Components Troubleshooting Loss of Communication Troubleshooting Your EnclosureTroubleshooting External Connections Troubleshooting Power Supply/Cooling Fan Module Troubleshooting Enclosure Cooling Problems Troubleshooting Enclosure Management Modules Troubleshooting Hard Drives Troubleshooting Enclosure Connections Troubleshooting a Wet EnclosureTroubleshooting a Damaged Enclosure Troubleshooting Your Enclosure Getting Help Contacting DellGetting Help Glossary Amperes AC Alternating currentCPU Central processing unit. See processor DC Direct current Page Page Mm Millimeters Ms Milliseconds Page System memory See RAM Watts Glossary Page Glossary Index Index