Table 2. Light path diagnostics panel LEDs (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", in the
Problem Determination and Service Guide
to determine which
components are customer replaceable units (CRU) and which components are field replaceable units
(FRU).
v
If a action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
LED
Description
Action
CNFG
A hardware configuration error
has occurred.
1. If the CNFG LED and the CPU LED are lit, complete the
following steps to correct the problem:
a. Check the microprocessors that were just installed to
make sure that they are compatible with each other
(see “Installing a second microprocessor and heat
sink” on page 73 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. If a
PCI Option ROM out-of-resource error log is present,
reduce the base system ROM or change the ROM
order. For detailed information, go to
http://www-947.ibm.com/systems/support/
supportsite.wss/docdisplay?lndocid=MIGR-5084743
&brandind=5000008.
b. Run the memory test exerciser to isolate the problem
(see the
Problem Determination and Service Guide
for
more information).
v
If the test reports that a memory error has occurred,
replace the failing DIMM, which is indicated by the
lit DIMM latch on the system board (the DIMM LED
is underneath the DIMM latch).
v
If the test reports the memory configuration is
invalid, repopulate the DIMMs to a supported
configuration. (See “Installing a memory module” on
page 52 about memory configuration.)
24
IBM System x3550 M2 Types 4198 and 7946: Installation and User’s Guide
Summary of Contents for 79463AU
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