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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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