Lenovo TD100 User Manual download pdf (Page 201)

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 3, “Parts listing, TD100 Types 6398, 6399, 6419, 6429, 4203, and 4206,” on page 25 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.

Symptom Action

The server unexpectedly shuts

down, and the LEDs on the

control-panel assembly are not

lit.

See “Solving undetermined problems” on page 215.

Serial port problems

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 3, “Parts listing, TD100 Types 6398, 6399, 6419, 6429, 4203, and 4206,” on page 25 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.

Symptom Action

The number of serial ports that

are identified by the operating

system is less than the number

of installed serial ports.

1. Make sure that:

v Each port is assigned a unique address in the Configuration/Setup Utility

program and none of the serial ports is disabled.

v The serial port adapter (if one is present) is seated correctly.

2. Reseat the serial port adapter.

3. Replace the serial port adapter.

A serial device does not work.

1. Make sure that:

v The device is compatible with the server.

v The serial port is enabled and is assigned a unique address.

v The device is connected to the correct connector (see “Internal connectors,

LEDs, and switches” on page 10).

2. Reseat the following components:

a. Failing serial device

b. Serial cable

c. Remote Supervisor Adapter II SlimLine (if one is present)

3. Replace the following components one at a time, in the order shown, restarting

the server each time:

a. Failing serial device

b. Serial cable

c. Remote Supervisor Adapter II SlimLine (if one is present)

d. (Trained service technician only) System board

Chapter 5. Diagnostics 183

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