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Quick Installation Guide 7
Power-up Diagnostics
The system runs diagnostic software at power up. This software verifies
that every component in the system is operating correctly.
If any component fails during power-up diagnostics, the system either
fails to power up or the faulty module comes up but all of its ports are
out of service. When the system comes up, verify which modules, if any,
have failed diagnostics by checking the module LEDs against the tables in
the module installation guides or by viewing the system configuration
display in the Administration Console (if you have connected the system
to a workstation) or in the System Summary form on the WebConsole.
During power up, the system processor LEDs provide information on
components in your system, as shown in Table 4.
Table 4
System Diagnostics — System Processor LED Activity
LED Name Color Description
PWR Steady green System is receiving power.
RUN Steady green System is running diagnostics.
Blinking green System is operational.
PSI or PS2 Steady yellow Additional power supply, if installed, is not
plugged in or is out of specification.
SYS Steady yellow System processor has failed.
Blinking yellow A hardware/software mismatch has occurred.