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Table 36. 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 7891," on page 225 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 1
P1-C2 DIMM 2
P1-C3 DIMM 3
P1-C1 DIMM 1
P1-C2 DIMM 2
P1-C3 DIMM 3
P1-C4 DIMM 4
P1-C5 DIMM 5
P1-C6 DIMM 6
P1-C7 DIMM 7
P1-C8 DIMM 8
P1-C9 DIMM 9
P1-C10 DIMM 10
P1-C11 DIMM 11
P1-C12 DIMM 12
P1-C13 DIMM 13
P1-C14 DIMM 14
P1-C15 DIMM 15
P1-C16 DIMM 16
P2-C1 DIMM 17
P2-C2 DIMM 18
P2-C3 DIMM 19
P2-C4 DIMM 20
P2-C5 DIMM 21
P2-C6 DIMM 22
P2-C7 DIMM 23
P2-C8 DIMM 24
P2-C9 DIMM 25
P2-C10 DIMM 26
P2-C11 DIMM 27
P2-C12 DIMM 28
P2-C13 DIMM 29
P2-C14 DIMM 30
P2-C15 DIMM 31
P2-C16 DIMM 32
Drive 1 error
An error occurred on drive 1.
P1-D1
P1-C18-D1
P2-D1
P2-C18-D1
214
Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)
Action
1. Verify that the DIMM indicated by the lit
LED is a supported memory module, as
described on the ServerProven website.
2. Reseat the DIMM indicated by the lit LED,
as described in "Installing a memory
module" on page 251.
3. Replace the DIMM indicated by the lit
LED, as described in "Removing a memory
module" on page 249 and "Installing a
memory module" on page 251.
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.
Reseat the disk drive or solid-state drive. If
that does not correct the problem, replace the
disk drive or solid-state drive. See "Removing
a hard-disk drive" on page 242 or "Removing
an SSD" on page 246.
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