Warnings And Cautions - HP Z400 Maintenance And Service Manual

Warnings and cautions

WARNING!
presence of a hot surface or hot component. If this surface is contacted, the potential for injury exists.
To reduce the risk of injury from a hot component, let the surface cool before touching.
WARNING!
presence of an electrical shock hazard. To reduce the risk of injury from electrical shock, do not open
any enclosed area marked with this symbol.
WARNING!
— Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
— Plug the power cord in a grounded (earthed) outlet that is easily accessible at all times.
— Disconnect power from the equipment by unplugging the power cord from the electrical outlet.
WARNING!
proper workstation setup, posture, health, and work habits for computer users, and provides important
electrical and mechanical safety information. This guide is located at http://www.hp.com/ergo.
WARNING!
always be lifted by two persons to avoid personal injury due to product weight.
CAUTION:
beginning these procedures, be sure you discharge static electricity by briefly touching a grounded
metal object.
CAUTION:
— Installing a processor incorrectly can damage the system board. Contact an HP authorized reseller
or service provider to install the processor. If you plan to install the processor yourself, read all of the
instructions carefully before you begin.
— Failure to follow the workstation preparation instructions can result in an improperly installed
processor, causing extensive workstation damage.
— Processor socket pins are delicate and bend easily. Use extreme care when placing the processor in
the socket.
CAUTION:
(ESD) precautions while performing the system parts removal and replacement procedures:
— Work on a static-free mat.
— Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your
body to the ground.
— Create a common ground for the equipment you are working on by connecting the static-free mat,
static strap, and peripheral units to that piece of equipment.
ENWW
Any surface or area of the equipment marked with this symbol indicates the
Any surface or area of the equipment marked with this symbol indicates the
To reduce the risk of electric shock or damage to your equipment:
To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes
If a product is shipped in packaging marked with this symbol,
Static electricity can damage the electronic components of the workstation. Before
Observe the following cautions when removing or replacing a processor:
To prevent damage to the workstation, observe the following Electrostatic Discharge
, the product must
Warnings and cautions
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