The information in this chapter is divided into the following major sections:
■Pedestal status and power supply LEDs
■SBB status LEDs
■Controller LEDs
■EMU error reporting
■Replacing an FRU
■Reconfiguring the UltraSCSI bus
■Replacing the controller memory cache modules
Pedestal Status and Power LEDs
The pedestal is equipped with two front panel LEDs that monitor the following error conditions (Figure
■A power supply fan that is not operating
■An
■A DC power problem
■External fault conditions
■Controller faults
When the pedestal is operating properly, the green power LED is on and the amber pedestal fault LED is off. Also, the green power supply LED on the rear of each power supply is on.