Chapter 3
Maintenance
This chapter describes how to interpret the status of the LEDs on the pedestal and use them as a troubleshooting aid during a pedestal malfunction. Both the pedestal LEDs and the LEDs on the major components are covered. The chapter also describes how to replace a Field Replaceable Unit (FRU) and how to reconfigure the SCSI bus.
Troubleshooting the pedestal consists of monitoring the status of the external LEDs to determine if a major component is malfunctioning. The Field Replaceable Units (FRUs) in the pedestal are:
■Disk drives (SBBs)
■RAID array controller
■Power supplies
■Environmental Monitor Unit (EMU) circuit board
■Uninterruptable Power Supply (UPS)
