Lenovo ThinkServer RD240 - Page 78

e.Thetemperatureofthebatterycardassemblyisgenerally15-20°C(59-68°F)higherthanthe
ambienttemperatureduringfastcharge.Therefore,tocompleteafastchargecycle,theambient
temperatureshouldbelowerthan45°C(113°F).Iftheambienttemperatureexceeds45°C(113°F),
thefastchargecyclewillterminateprematurely,thuspreventingthebatterycardassemblyfrom
reachingafullychargedstate.
Attention:
•WhenattachingthebatterycardassemblytoaPCIExpressslot,centerthePhillips-headscrew
drivertoavoiddamagingthescrewheadanddonotover-tightenthescrewsasyoumightdamage
thebatterycardassembly.
•Thebatteryinthebatterycardassemblymustrechargeforatleastsixhoursduringfastcharge
undernormaloperatingconditions.
ToinstallthebatterycardassemblyontotheRAIDcontroller,dothefollowing:
a.Notethetopviewandbottomviewofthebatterycardassembly.Then,insertthebatterypack
harnessconnectorintotheJ4batterypackharnessconnectoronthebacksideofthebatterycard
assembly.Formoreinformation,refertothefollowingillustrations.
Figure40.Topviewofthebatterycardassembly
1Batterypackharness
Figure41.Bottomviewofthebatterycardassembly
1J4batterypackharnessconnector
2J5board-to-boardconnector
3J2connector
b.Withthefrontsideup,placetheRAIDcontrolleronaat,clean,static-freesurface.
66ThinkServerRD240HardwareMaintenanceManual