IBM 72335LU - System x3850 M2 Installation Manual page 73

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the 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 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 with
the system-error LED
also lit Description
PS A power supply has failed or has
been removed.
Note: In a redundant power
configuration, the dc power LED on
one power supply might be off.
PCI A PCI adapter has failed.
Note: The error LED next to the
failing adapter on the I/O board is
also lit.
SP The Remote Supervisor Adapter II
has failed or is missing or the planar
cable is not connected.
FAN A fan has failed or has been
removed.
Note: A failing fan can also cause
the TEMP LED to be lit.
Action
1. Reinstall the removed power supply.
2. Check the individual power-supply LEDs to find the
failing power supply.
3. Reseat the following components:
a. Failing power supply
b. Power backplane
4. Make sure that the power cord is fully seated in
the power-supply inlet and the ac power source.
5. Replace the components listed in step 3 one at a
time, in the order shown, restarting the server each
time.
6. Disconnect the ac power cord for 20 seconds;
then, reconnect the ac power cord and restart the
server.
1. See the BMC log or the system-error log.
2. Reseat the following components:
a. Failing adapter
b. I/O board shuttle assembly
3. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server each
time.
1. Reseat the Remote Supervisor Adapter II and
planar cable.
2. Update the firmware for the Remote Supervisor
Adapter II.
3. Replace the Remote Supervisor Adapter II.
1. Reinstall the removed fan.
2. If an individual fan LED is lit, replace the fan.
Note: A failing fan might not cause the fan LED to
be lit.
3. Reseat the microprocessor board.
4. (Trained service technician only) Replace the
microprocessor board.
Chapter 6. Solving problems
61