vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the Hardware Maintenance Manual to determine which components are customer replaceable units (CRUs) and which components are field replaceable units (FRUs).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Lit EasyLED; diagnostic LEDs with the

 

system-error or information LED also lit

Description

 

 

Hard-disk drive activity (green)

When this LED is flashing rapidly, it indicates that there is activity on a

 

hard disk drive.

 

 

System locator (blue)

Use this LED to visually locate the server among other servers.

 

 

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 diagnostic 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 diagnostic panel

The following illustration shows the front LEDs on the EasyLED diagnostic panel. The EasyLED diagnostic 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

20ThinkServer TD200 Types 3724, 3808, 3809, 3815, 3817, 3824, 3826, 3836: Installation and User Guide

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Lenovo 3815, 3836, 3809, 3826, 3724, 3824, 3808, 3817 manual EasyLED diagnostic panel, Vrm, Nmi