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3-6 RAID Array 3000 Pedestal Storage Subsystem Hardware User’s Guide
Compaq Confidential – Need to Know Required
Writer: Bob Young Project: RAID Array 3000 Pedestal Storage Subsystem Hardware User’s Guide Comments:
Part Number: EK-SMCPO-UG. C01 File Name: d-ch3 Maintenance.doc Last Saved On: 12/4/00 1:50 PM
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
Replacing Components (FRUs)
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