Lenovo ThinkServer RD240 - Working Inside the Server with the Power on; Removing the Server Cover

Workinginsidetheserverwiththepoweron
Attention:
Staticelectricitythatisreleasedtointernalservercomponentswhentheserveristurnedonmightcausetheserverto
halt,whichmightresultinthelossofdata.Toavoidthispotentialproblem,alwaysuseanelectrostatic-dischargewrist
straporothergroundingsystemwhenyouworkinsidetheserverwiththepoweron.
Theserversupportshot-swapdevicesandisdesignedtooperatesafelywhileitisturnedonandthecoveris
removed.Followtheseguidelineswhenyouworkinsidetheserverwiththepoweron:
•Avoidwearingloose-ttingclothingonyourforearms.Buttonlong-sleevedshirtsbeforeworkinginside
theserver;donotwearcufflinkswhileyouareworkinginsidetheserver.
•Donotallowyournecktieorscarftohanginsidetheserver.
•Removejewelry,suchasbracelets,necklaces,rings,andloose-ttingwristwatches.
•Removeitemsfromyourshirtpocket,suchaspensandpencils.Theseitemsmightfallintotheserveras
youleanoverit.
•Avoiddroppinganymetallicobjectsintotheserver,suchaspaperclips,hairpins,andscrews.
Removingtheservercover
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstandingthe“Safetyinformation”
onpageiiiand“Guidelines”onpage19.
Thissectionprovidesinstructionsonhowtoremovetheservercover.
Toremovetheservercover,dothefollowing:
1.Removeallmediafromthedrives.Then,turnoffallattacheddevicesandtheserver.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnectthepowercord(s),Input/Output(I/O)cables,andallothercablesthatareconnectedto
theserver.
Chapter5.Installing,removing,orreplacinghardware21