Server Warnings And Cautions; Preparation Procedures - HP ProLiant ML30 Gen9 Maintenance And Service Manual

13.6 kg
29.92 lb

Server warnings and cautions

WARNING: To reduce the risk of personal injury, electric shock, or damage to the equipment,
remove the power cord to remove power from the server. Pressing the Power On/Standby
button does not shut off system power completely. Portions of the power supply and some
internal circuitry remain active until AC power is removed.
WARNING: To reduce the risk of electric shock, fire, or damage to the equipment, only
display devices that are qualified to be made of fire-retardant material must be connected to
the video connector (VGA) on the rear panel.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the
internal system components to cool before touching them.
CAUTION: To prevent improper cooling and thermal damage, do not operate the server with
the access panel and the M.2 SSD compartment cover open or removed.
CAUTION: To prevent improper cooling and thermal damage, do not operate the server or
the #*!<unassigned_variable>!*# unless all device bays are populated with either a component
or a blank.
CAUTION: To prevent damage to electrical components, take the appropriate anti-static
precautions before beginning any installation, removal, or replacement procedure. Improper
grounding can cause electrostatic discharge.

Preparation procedures

To access some components and perform certain service procedures, perform one or more of the
following procedures:
•
Unlock the tower bezel
•
Remove the tower bezel
•
Power down the server (on page 26).
Before removing the server from a rack or a non-hot-plug component from the server, power down
the server.
This symbol indicates the presence of a hot surface or hot component. If this surface
is contacted, the potential for injury exists.
WARNING: To reduce the risk of injury from a hot component, allow the surface to
cool before touching.
This symbol indicates that the component exceeds the recommended weight for one
individual to handle safely.
WARNING: To reduce the risk of personal injury or damage to the equipment,
observe local occupational health and safety requirements and guidelines for manual
material handling.
These symbols, on power supplies or systems, indicate that the equipment is
supplied by multiple sources of power.
WARNING: To reduce the risk of injury from electric shock, remove all power cords
to disconnect power from the system completely.
("Unlock and remove the
("Unlock and remove the
bezel" on page 26).
bezel" on page 26).
Removal and replacement procedures 25