HP LH4r HP Netserver LPr Installation Guide - Page 103

Troubleshooting

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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 floppydisk based tool. When you select DiagTools from the Utilities menu, 95

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95
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,