v The server is restarted.
v A new error occurs, causing the system-error LED to be lit again.
Light path diagnostics LEDs
The following table describes the LEDs on the light path diagnostics panel and
suggested actions to correct the detected problems.
Note: Check the system-event log and the IMM event log for additional information
before you replace a FRU.
LED Problem Action
None, but
the
system-
error LED
is lit.
An error has occurred and cannot be
diagnosed, or the IMM has failed. The
error is not represented by a light path
diagnostics LED.
Use the Setup utility to check the system-event log for
information about the error.
BRD An error has occurred on the system
board.
1. Check the LEDs on the system board to identify the
component that is causing the error. The BRD LED can be
lit for the following conditions:
v Battery
v Missing PCI riser-card assembly
v Failed voltage regulator
2. Check the system-event log for information about the error.
3. Replace any failed or missing replaceable components,
such as the battery (see “Removing the battery” on page
229 for more information) or PCI riser-card assembly (see
“Removing a PCI riser-card assembly” on page 188 for
more information).
4. If a voltage regulator has failed, replace the system board.
CNFG A hardware configuration error has
occurred. (This LED is used with the
MEM and CPU LEDs.)
1. If the CNFG LED and the CPU LED are lit, complete the
following steps:
a. Check the microprocessors that were just installed to
make sure that they are compatible with each other
(see “Installing a microprocessor and heat sink” on
page 240 for additional information about
microprocessor requirements).
b. (Trained service technician only) Replace the
incompatible microprocessor.
c. Check the system-error logs for information about the
error. Replace any components that are identified in the
error log.
2. If the CNFG LED and the MEM LED are lit, complete the
following steps:
a. Check the system-event log in the Setup utility or IMM
error messages. Follow steps indicated in “POST error
codes” on page 28 and “Integrated management
module error messages” on page 114.
Chapter 3. Diagnostics 65
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