IBM 7380E1U Installation And User Manual page 47

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 Problem Determination and Service Guide on the IBM Documentation CD 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 or
information LED also
lit Description
Power supply A power supply has failed or has
been removed.
Hard disk drive /RAID A hard disk drive, SAS adapter, or
RAID adapter error has occurred.
Notes:
1. This LED is lit also when a hard
2. The error LED on the failing
3. Check the system-event log for
NMI A hardware error has been reported
to the operating system.
disk drive is removed from the
server.
hard disk drive is also lit.
a RAID error.
Action
1. Check the individual power-supply LEDs.
2. Reseat the following components:
a. Power supply
b. (Trained service technician only) Power-supply
cage cables
3. Replace the following components one at a time,
in the order shown, restarting the server each time:
a. Power supply
b. (Trained service technician only) Power-supply
cage
1. Reinstall the removed drive.
2. Reseat the following components:
a. Failing hard disk drive
b. SAS hard disk drive backplanes
c. SAS signal and power cables
d. System board
e. ServeRAID-BR10i SAS/SATA adapter
3. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server each
time.
1. See the system-error log (see the Problem
Determination and Service Guide on the IBM
Documentation CD).
2. If the PCI LED is lit, follow the instructions for that
LED.
3. If the MEM LED is lit, follow the instructions for
that LED.
4. Restart the server.
Chapter 2. Installing optional devices
31