Replacing Components (Frus) - Compaq StorageWorks TM RAID Array 3000 Pedestal Storage Subsystem Hardware User's Manual

3-6 RAID Array 3000 Pedestal Storage Subsystem Hardware User's Guide

Replacing Components (FRUs)

Whenever any of the following error conditions occur, the amber fault LED on
the front of the pedestal will turn on. When alarm switch S1 on the rear panel
of the pedestal is in the up (enabled) position, the audible alarm will sound
whenever one of the following conditions occurs:
Loss of AC power to one of the power supplies
Failure of either power supply fan
UPS not connected
UPS power failure
UPS output too low
Temperature exceeds 123ºF (50ºC)
One of the +12 VDC outputs is less than + 9.85 VDC
One of the +5 VDC outputs is less than + 3.95 VDC
Miscellaneous error condition
A controller error condition exists
External fault
This section describes how to replace an FRU in the RAID Array 3000
pedestal. The information is divided into the following subsections:
Removing the pedestal door
Replacing an SBB
Replacing a power supply
Replacing the controller
Replacing the EMU board
Replacing the UPS
Replacing a controller memory cache module