Cleaning And Working With Internal Devices - NEC Express 120Mf Service Manual

1-6 Notes on Using the Server

Cleaning and Working with Internal Devices

Do not disassemble, repair, or alter the NEC Express server.
Never attempt to disassemble, repair, or alter the NEC Express server on any
occasion other than described in this User's Guide. Failure to follow this
instruction may cause an electric shock or fire as well as malfunctions of the
s erver.
Do not look into the CD-ROM drive
A laser beam is used in the CD-ROM drive. Do not look into or insert a mirror
into the drive while the drive is powered. If a laser beam is caught in your
e yes, you may lose your eyesight (the laser beam is invisible).
Do not remove the lithium battery.
The NEC Express server contains a lithium battery. Do not remove the
battery. Placing the lithium close to a fire or in the water may cause an
e xplosion.
When the server does not operate appropriately due to the dead lithium
battery, contact your sales agent. Do not disassemble the server to replace
o r recharge the battery by yourself.
Disconnect the power plug before cleaning the NEC Express server.
Make sure to power off the NEC Express server and disconnect the power
plug from a power outlet before cleaning or installing/removing internal
optional devices. Touching any internal device of the NEC Express server
with its power cord connected to a power source may cause an electric shock
e ven of the NEC Express server is off-powered.
Disconnect the power plug from the outlet occasionally and clean the plug with
a dry cloth. Heat will be generated if condensation is formed on a dusty plug,
w hich may cause a fire.
High temperature
Immediately after the NEC Express server is powered off, its internal
components such as hard disks are very hot. Leave the server until its
internal components fully cool down before installing/removing any
c omponent.
Make sure to complete board installation.
Always install a board firmly. An incompletely installed board may cause a
c ontact failure, resulting in smoking or fire.
WARNING
CAUTION