IBM System x3755 Problem Determination And Service Manual page 134

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, System x3755 Type 8877 and 7163," on page 25 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units
(FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Lit light path
diagnostics LED with
the system-error or
system-information
LED also lit Description
BRD An error has occurred on the I/O
board.
PCI A PCI adapter has failed.
Note: The error LED next to one or
more adapters might also be lit.
118
IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide
Action
1. See the BMC log or the system-error log for the
source of the fault.
2. Check the LEDs on the I/O board to identify the
component that is causing the error.
3. (Trained service technician only) Replace the I/O
board, see "Removing the I/O board assembly" on
page 68 and "Replacing the I/O board assembly"
on page 69.
1. See the BMC log or the system-error log for the
source of the fault.
Note: The BMC log or system-error log might
point to more than one adapter as the source of
the fault.
2. Reseat the failing adapter.
3. Replace the failing adapter.
4. Repeat step 2 and step 3 for each failing adapter.