Dell MD1280 manual Contents

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Contents
1 About the Dell Storage MD1280 Service Guide	5
Dell Storage MD1280 overview	5
Dell Storage MD1280 hardware	5
Dell Storage MD1280 monitoring	5
Front-panel features and indicators	5
Back-panel features and indicators	7
I/O EMM features and indicators	8
Fan module features and indicators	9
PSU features and indicators	10
DDIC indicator	11
2 Replacing Dell Storage MD1280 components	13
Safety precautions	13
Electrical safety precautions	13
General safety precautions	13
Electrostatic discharge precautions	14
Pre-replacement tasks	14
Turning off the EMMs and enclosure	14
Replacing PSUs	14
Identifying the failed PSU	14
Replacing a PSU	14
Replacing fan modules	16
Identifying the failed fan module	16
Replacing a fan module	16
Replacing hard drives	17
Numbering the hard drive	17
Identifying the failed hard drive	18
Replacing hard drives	18
Replacing I/O EMM modules	21
Identifying the failed EMM	22
Replacing an EMM	22
Replacing chassis	23
Replacing rack rails	23
Post-replacement tasks	24
Turning on the EMMs and enclosure	24
3 Troubleshooting Dell Storage MD1280 components	25
Troubleshooting fan modules	25

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Contents Dell Storage MD1280 Service Guide Page Contents Technical specifications Contacting Dell Dell Storage MD1280 hardware About the Dell Storage MD1280 Service GuideFront-panel features and indicators Dell Storage MD1280 overviewFront-panel features and indicators Back-panel features and indicators Back-panel features and indicators EMM features and indicatorsO EMM features and indicators Fan module features and indicatorsFan module features and indicators PSU features and indicatorsDdic indicator Ddic indicatorDdic indicator Replacing Dell Storage MD1280 components Safety precautionsElectrical safety precautions General safety precautionsReplacing PSUs Pre-replacement tasksRemoving a PSU Replacing fan modules Identifying the failed fan moduleReplacing a fan module Numbering the hard drive Replacing hard drivesReplacing hard drives Identifying the failed hard driveOpening a Ddic Ddic Closing a drive drawer Replacing I/O EMM modulesReplacing an EMM Identifying the failed EMMReplacing rack rails Replacing chassisTurning on the EMMs and enclosure Post-replacement tasksTroubleshooting DDICs Troubleshooting Dell Storage MD1280 componentsTroubleshooting fan modules Troubleshooting PSUsTroubleshooting I/O EMMs Technical specifications PSU Physical Depth front mounting bracket to rear surface Page Page Contacting Dell