Lenovo ThinkServer TD200 Installation And User Manual page 34

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 Hardware Maintenance Manual to determine which components are customer
replaceable units (CRUs) and which components are field replaceable units (FRUs).
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
DASD/RAID A hard disk drive, SAS controller, or
RAID adapter error has occurred.
Notes:
1. This LED is also lit 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.
18
ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Installation and User Guide
disk drive is removed from the
server.
hard disk drive is also lit.
a RAID error.
Action
1. Reinstall the removed drive.
2. Reseat the following components:
a. Failing hard disk drive
b. SAS hard disk drive backplane
c. SAS signal and power cables
d. System board
e. ServeRAID 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-event log (see "Event logs" on
page 117).
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.