Troubleshooting; Precautions; Troubleshooting Tools - HP D5970A - NetServer - LCII User Manual

6 Troubleshooting

Precautions

WARNING
Before removing the cover, always disconnect the power cord
and unplug telephone cables. Disconnect telephone cables to
avoid exposure to shock hazard from telephone ringing
voltages. Disconnect the power cord to avoid exposure to
high energy levels that may cause burns when parts are
short-circuited by metal objects such as tools or jewelry.
Note that the power switch does NOT turn off the standby
power. Disconnect the power cord from the HP NetServer
before handling components.
CAUTION
Replace ALL covers before operating the HP NetServer, even
for a short time. Otherwise, overheating can damage chips,
boards, and mass storage devices.

Troubleshooting Tools

If you are having problems installing your HP NetServer, there are a number of
different tools available for troubleshooting:
HP NetServer Information Assistant (see Chapter 3) contains the
following tools:
Troubleshooting Information
Parts Information
List of Error Messages and Beep Codes
HP Navigator contains HP NetServer Utilities. At the Main Menu, select
"NetServer Utilities" to use the following tools:
HP Diagnostic Assistant Utility: An easy-to-use hardware diagnostic
for system verification, burn-in, and rapid troubleshooting. The
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