Lenovo THINKSERVER 3821 - Manual (Page 137)

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 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 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 EasyLED diagnostics LEDs with the
system-error or information LED also lit
Description
System information (amber) When this amber LED is on, it indicates that information about a
suboptimal condition in the server is available in the IMM-event log or
in the system-event log. Check the EasyLED diagnostics panel for
more information.
System error (amber) When this LED is lit, it indicates that a system error has occurred. Use
the diagnostic LED panel and the system service label to further isolate
the error.
EasyLED diagnostics panel
The following illustration shows the front LEDs on the EasyLED diagnostics panel.
The EasyLED diagnostics panel is located inside the front bezel.
Note: The EasyLED diagnostics LEDs remain lit only while the server is connected
to power.
1 Server processor bus 8 Power supply
2 Microprocessor 9 Fan
3 VRM 10 PCI bus
4 Microprocessor/memory configuration 11 System board
5 Memory 12 Temperature
6 NMI 13 System-event log
7 Hard disk drive/RAID 14 USB ports
For more information about the EasyLED diagnostics LEDs, see “EasyLED
diagnostics” on page 76
Chapter 6. Locating Server Controls and connectors 129