CAUTION:
Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with
metal, which might result in spattered metal, burns, or both.
S014
CAUTION:
Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is
authorized to remove the covers where the label is attached.
Attention:
• Read
“Installation Guidelines” on page 35 and “Safety inspection checklist” on page 36 to ensure that you
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 44.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
Operating the server with the top cover removed might damage server components. For proper cooling and
airflow, install the top cover before you turn on the server.
Note: A new top cover comes without a service label attached. If you need a service label, order it together
with the new top cover and attach the service label to the new top cover first.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
CTkyVDu-5Lhy1r9G-4PQGl
.
Procedure
Step 1. Check your server and ensure that:
• All cables, adapters, and other components are installed and seated correctly and that you have
not left loose tools or parts inside the server.
• All internal cables are connected and routed correctly. See
Chapter 6 “Internal cable routing” on
page 157
.
Chapter 5. Hardware replacement procedures 153
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