Light Path Diagnostics - IBM eserver xSeries 350 User Reference Manual

Light Path Diagnostics

Table 17. Light Path Diagnostics.
System error Diagnostics
LED (on the panel LED on
information LED
panel)
On None
A system error
was detected.
Check to see
which of the
LEDs on the
diagnostics panel
inside the server
are on.
On NMI
On SP
On PCIA
3. The server supports a maximum of three power supplies.
You can use the Light Path Diagnostics built into your server to quickly identify the
type of system error that occurred. The LEDs remain illuminated when the server
shuts down, as long as the power supplies are operating properly. This feature helps
you to isolate the problem if an error causes the server to shut down.
The system error log is 75% or more
full or a predictive failure analysis
(PFA) alert was logged.
A nonmaskable interrupt occurred.
The PCIA or PCIB LED will probably
also be on.
The service processor has failed.
An error occurred on PCI bus A. An
adapter in PCI slot 1 or the system
board caused the error.
Cause
Check the system error log and correct
any problems. See "Choices available
from the Configuration/Setup Utility
main menu" on page 14 for
information about clearing the error
log. Disconnecting the server from all
power sources for at least 20 seconds
will turn off the system error LED.
1.
2.
If the problem persists, have the
system serviced.
Have the system serviced.
1.
2.
If the problem persists, have the
system serviced.
Action
If the PCIA or PCIB LED is on,
follow the instructions for those
LEDs.
If the PCIA or PCIB LED is not
on, restart the server.
Check the error log for additional
information.
If you cannot correct the problem
from the information in the error
log, try to determine the failing
adapter by removing one adapter
at a time from PCI bus A (PCI slot
1) and restarting the server after
each adapter is removed.
Chapter 6. Solving problems
109