NEC Express5800/A1080a, User Manual, Page: 16 / 696

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Hot surface
Immediately after the server is powered off, its internal components such as hard disk
drives are very hot. Leave the server until its internal components fully cool down
before installing/removing any component.
Make sure to complete device installation.
Install the power cable, interface cable, board, and/or internal options firmly. An
incompletely installed component may cause a contact failure, resulting in smoking or
fire.
Protect the unused connectors with the protective cap.
The unused power supply cable connectors are covered with a protective cap to
prevent short circuits and electrical hazards. When removing the power supply cable
connector from the internal devices, attach the protective cap to the connector. Failure
to follow this warning may cause a fire or an electric shock.
Do not touch any electrical components inside the server during a hot-swap
replacement.
Power flows inside the server while the hot-swap replaceable components (hard disk
drive, cooling fan, and power supply). Do not touch the electrical components inside the
server to avoid an electric shock.
During Operation
Avoid contact with the server during thunderstorms.
Disconnect all the power plugs from the outlet when a thunderstorm is approaching. If it
starts thundering before you disconnect the all power plugs, do not touch any part of the
server including the cables. Failure to follow this warning may cause a fire or an electric
shock.
Do not place any object on top of the server.
An object placed on top of the server may fall down, resulting in damage to your
property around the server.