HP StorageWorks 2405 Disk System - Manual (Page 104)

104 Troubleshooting
Isolating Causes
Table 13 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 13. 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 ■ The power supply is not plugged in.
■ 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 LCC
installed none LCC Fault
flashing Disk Not
Available LCC DIP switch settings do not match
peer LCC switch settings. Reset switches.
LCC Fault LED
is on Critical LCC Fault
on Critical LCC hardware is faulty. Replace the LCC.
Fan LED is
amber Critical Amber Critical Fan has slowed or stopped. Replace the
fan.