HP Netserver LPr Installation Guide

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Chapter 13 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. Note that standby current is present as long as the
power cord is connected to the rear of the chassis.
Note that the power switch does NOT turn off the standby
power. Disconnect the power cord from the HP NetServer LPr
before handling components.
CAUTION Replace ALL covers before operating the HP NetServer LPr,
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 LPr, there are a number
of different tools available for troubleshooting:
• HP NetServer Information Assistant (see Chapter 12) 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 DiagTools Utility: An easy-to-use hardware diagnostic for system
verification, burn-in, and rapid troubleshooting. DiagTools is a floppy-
disk based tool. When you select DiagTools from the Utilities menu,