Lenovo System x3550 M3 Problem Determination And Service Manual page 402

Table 10. Light path diagnostics panel LEDs (continued)
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See "Parts listing" to determine which components are customer replaceable units (CRU) and which
components are field replaceable units (FRU).
• If an action step is preceded by "(Trained service technician only)", that step must be performed only by a
trained service technician.
Description
LED
CNFG A hardware configuration error
has occurred.
CPU An invalid microprocessor
configuration or a
microprocessor has failed (both
the CPU LED and the CNFG LED
might be lit).
VRM Reserved.
System x3550 M3Problem Determination and Service Guide
390
Action
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.
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 step:
a. Check the system-event log in the Setup utility or IMM
error messages.
3. If the CNFG LED and the PS LED are lit, the system issues
an invalid power configuration error. Make sure that both
power supplies installed in the server are of the same type.
1. If the CNFG LED is lit, the system issues an invalid
microprocessor configuration error. 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
and use the Setup utility and select System
Information ➙ System Summary ➙ Processor
Details to verify the microprocessors information.
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 a microprocessor failure occurs, complete the following
steps:
a. (Trained service technician only) Make sure that the
failing microprocessor, which is indicated by a lit LED
on the system board, is installed correctly.
b. For more information, go to
support/entry/portal/docdisplay?lndocid=SERV-CALL
http://www.ibm.com/
.