HP StorageWorks 2300 - Disk System, User Manual, Page: 104 / 158

104 Troubleshooting
Isolating Faults
Table 12 lists the probable causes and solutions for problems you may detect on
the disk system. When more than one problem applies to your situation,
investigate the first description that applies. The table lists the most basic
problems first and excludes them from subsequent problem descriptions.
Table 12. Troubleshooting Table
Problem
Description
HW Event
Category
LED
State
STM
Status
Probable Cause/Solution
Installed
product does
not power on none System
power
LED off none Neither power cord is plugged in.
The power switch is not pressed.
AC breaker is tripped.
AC power source has failed.
The PDU/PDRU is defective.
Power switch is defective.
A faulty component is causing
power supplies to turn off. Remove
all components and reinsert one at
a time until the faulty component is
isolated.
System fault
LED is on none Power
supply
LED off Power
supply Not
Available One power supply is not functional.
The PDU/PDRU or primary power
source has failed.
Critical Part fault
LED on Critical A component has failed. See
problem descriptions below.
Audio alarm
when BCC
installed none BCC Fault
flashing Disk Not
Available BCC DIP switch settings do not
match peer BCC switch settings.
Reset switches.
Improper cable/terminator connections
BCC Fault
LED is on Critical BCC Fault
on Critical BCC hardware is faulty.
Replace the BCC.