IBM x3550 Problem Determination And Service Manual page 181

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 7978 and 1913 server," on page 29 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
System event/error log message
Power supply current exceeded max spec value 1. Make sure that two power supplies are installed, and that the
Front panel NMI
Software NMI
CPU n IERR detected, the system has been
restarted
n = the microprocessor number
CPU n IERR, the CPU has been disabled
n = the microprocessor number
CPU n over temperature
n = the microprocessor number
CPU n removal detected
n = the microprocessor number
Action
ac power cords are correctly connected to the power supplies
and to a working electrical outlet.
2. (Trained service technician only) replace the power backplane.
1. If the MEM LED on the light path diagnostics panel is lit,
complete the following steps:
a. Check the other system logs for related entries and actions.
b. Reinstall the server device drivers.
c. Reinstall the operating system.
2. If the error LED for PCI slot 1 or PCI slot 2 is lit, complete the
following steps:
a. Remove the adapter from the PCI slot that has the lit error
LED.
b. If the error continues, replace the riser-card assembly that
has the error LED lit.
c. (Trained service technician only) If the error continues,
replace the system board.
3. Remove all PCI adapters from the server. (Trained service
technician only) If the error continues, replace the system
board.
Information only
1. Make sure that you have installed the latest levels of firmware
and device drivers for all adapters and standard devices, such
as Ethernet, SCSI, or SAS.
2. Run the diagnostics programs for the hard disk drives and
other I/O devices.
3. (Trained service technician only) Replace microprocessor n.
1. (Trained service technician only) Reseat microprocessor n.
2. (Trained service technician only) Replace microprocessor n.
3. (Trained service technician only) Replace the system board.
1. Make sure that the fans are operating, that there are no
obstructions to the airflow, that the air baffles are in place and
correctly installed, and that the server cover is installed and
completely closed.
2. (Trained service technician only) Make sure that the heat sink
for microprocessor n is installed correctly.
3. (Trained service technician only) Replace microprocessor n.
(Trained service technician only) Reseat microprocessor n if it is
installed.
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Chapter 5. Diagnostics