Lenovo ThinkServer TD200x Hardware Maintenance Manual page 85

The following illustration shows the LEDs on the PCI-X extender card, if one is installed.
The following table describes the LEDs on the system board and extender card and suggested actions
to correct the detected problems.
• Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
• See Chapter 8 "Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823" on page 221 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.
Lit EasyLED
diagnostics
LED with the
system-error or
information LED
also lit Description
DIMM 1 to DIMM 16 A DIMM has failed or is incorrectly
error LEDs installed.
CPU 1 error LED Microprocessor 1 has failed, is
missing, or has been incorrectly
installed.
Note: (Trained service technician
only) Make sure that the
microprocessors are installed
in the correct sequence; see
"Installing a microprocessor and
heat sink" on page 208.
Action
a. Remove the DIMM that is indicated by a lit error
LED.
b. Reseat the DIMM.
c. Replace the following components one at a time,
in the order shown, restarting the server each
time:
1) DIMM
2) (Trained service technician only) System
board
a. Check the system-event log to determine the
reason for the lit LED.
b. (Trained service technician) Reseat the failing
microprocessor.
c. Replace the following components one at a time,
in the order shown, restarting the server each
time:
1) (Trained service technician only) Failing
microprocessor
2) (Trained service technician only) System
board
77
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Chapter 5 Diagnostics