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Light path diagnostics LEDs
LEDs on the light path diagnostics panel of an Storwize V7000 Unified file module
indicate the cause of a problem.
Table 15 shows suggested actions to correct detected problems.
Note:
Check the system-event log for additional information before you replace a
FRU.
Table 15. LED indicators, corresponding problem causes, and corrective actions
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 or PCI riser-card assembly (refer to the
“Troubleshooting the System x3650” in the
IBM Storwize
V7000 Unified Information Center
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.
CPU
When only the CPU LED is lit, a
microprocessor has failed.
When the CPU and CNFG LEDs are lit,
an invalid microprocessor configuration
has occurred.
1.
Determine whether the CNFG LED is also lit. If the CNFG
LED is not lit, a microprocessor has failed.
a.
Make sure that the failing microprocessor, which is
indicated by a lit LED on the system board, is installed
correctly. Refer to “Troubleshooting the System x3650”
in the
IBM Storwize V7000 Unified Information Center
for
information about installing a microprocessor.
b.
If the failure remains, call your next level of support.
2.
If the CNFG LED is lit, then an invalid microprocessor
configuration has occurred.
a.
Make sure that the microprocessors are compatible with
each other. They must match in speed and cache size.
To compare the microprocessor information, run the
Setup utility and select
System Information
, then select
System Summary
, and then select
Processor Details
.
b.
Replace an incompatible microprocessor.
c.
If the failure remains, call your next level of support.
Chapter 3. Getting started troubleshooting
37
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