Problem diagnosis, Important safety information, Symbols on equipment – HP ProLiant DL120 G6 Server User Manual
Page 55
Troubleshooting 55
Problem diagnosis
This section covers the steps to take in order to diagnose a problem quickly.
To effectively troubleshoot a problem, HP recommends that you start with the first flowchart in this section,
"Start diagnosis flowchart (on page
)," 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
)." 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.