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Table 31. Light path diagnostic LED descriptions (continued)
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, Type 7998," on page 235 to determine which components are CRUs and which
components are FRUs.
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
Description
DIMM x error
A memory error occurred.
P1-C1 DIMM 3
P1-C2 DIMM 4
P1-C3 DIMM 2
P1-C4 DIMM 1
Hard disk drive
A hard disk drive error occurred.
error
P1-D1 SAS 0
PCIe high speed
An I/O expansion card option error occurred.
expansion card
error
P1-C7 PIOCARD
220
JS22 Type 7998: Problem Determination and Service Guide
Action
1. Verify that the DIMM indicated by the lit
LED is a supported memory module, as
described on the ServerProven Web site.
2. Reseat the DIMM indicated by the lit LED,
as described in "Installing a memory
module" on page 249.
3. Replace the DIMM indicated by the lit
LED, as described in "Removing a memory
module" on page 248 and "Installing a
memory module" on page 249.
Note: Multiple DIMM LEDs do not
necessarily indicate multiple DIMM failures. If
more than one DIMM LED is lit, reseat or
replace one DIMM at a time until the error
goes away. See the online information or the
Hardware Maintenance Manual and
Troubleshooting Guide or Problem Determination
and Service Guide for your BladeCenter unit for
further isolation.
1. Reseat the hard disk drive, as described in
"Installing the SAS hard disk drive" on
page 247.
2. Replace the hard disk drive, as described
in "Removing the SAS hard disk drive" on
page 246 and "Installing the SAS hard disk
drive" on page 247.
1. Make sure that the I/O expansion option is
supported.
2. Reseat the I/O expansion option, as
described in "Removing and installing an
I/O expansion card" on page 256.
3. Replace the I/O expansion option.
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