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Important safety information, Symbols on equipment – HP ProLiant DL120 G5 Server User Manual

Page 39

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Troubleshooting 39

To effectively troubleshoot a problem, HP recommends that you start with the first flowchart in this section,
"Start diagnosis flowchart (on page

42

)," and follow the appropriate diagnostic path. If the other

flowcharts do not provide a troubleshooting solution, follow the diagnostic steps in "General diagnosis
flowchart (on page

43

)." The General diagnosis flowchart is a generic troubleshooting process to be used

when the problem is not server-specific or is not easily categorized into the other flowcharts.

IMPORTANT:

This guide provides information for multiple servers. Some information may not

apply to the server you are troubleshooting. Refer to the server documentation for information
on procedures, hardware options, software tools, and operating systems supported by the
server.

WARNING:

To avoid potential problems, ALWAYS read the warnings and cautionary

information in the server documentation before removing, replacing, reseating, or modifying

system components.

Important safety information

Familiarize yourself with the safety information in the following sections before troubleshooting the server.

Important safety information

Before servicing this product, read the Important Safety Information document provided with the server.

Symbols on equipment

The following symbols may be placed on equipment to indicate the presence of potentially hazardous

conditions.

This symbol indicates the presence of hazardous energy circuits or electric shock

hazards. Refer all servicing to qualified personnel.

WARNING:

To reduce the risk of injury from electric shock hazards, do not open this

enclosure. Refer all maintenance, upgrades, and servicing to qualified personnel.

This symbol indicates the presence of electric shock hazards. The area contains no
user or field serviceable parts. Do not open for any reason.

WARNING:

To reduce the risk of injury from electric shock hazards, do not open this

enclosure.

This symbol on an RJ-45 receptacle indicates a network interface connection.

WARNING:

To reduce the risk of electric shock, fire, or damage to the equipment,

do not plug telephone or telecommunications connectors into this receptacle.

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.