Lenovo THINKSERVER TS100 6434 Bedienungsanleitung PDF herunterladen (Seite 85)

Power 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 the parts listing in the Hardware Maintenance Manual 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 power-control button does

not work (the server does not

start).

Note: The power-control button

will not function until 20

seconds after the server has

been connected to ac power.

1. Make sure that the front-panel assembly power-control button is working

correctly:

a. Disconnect the server power cords.

b. Reconnect the power cords.

c. Press the power-control button.

Make sure that:

v The power cords are correctly connected to the server and to a working

electrical outlet.

v The server contains the correct type of DIMMs.

v The DIMMs are correctly seated.

v The LEDs on the power supply do not indicate a problem.

v The microprocessor is correctly installed.

Reseat the following components:

a. DIMMs

b. Power supply cables to all internal components

c. Power supplies (hot-swap models)

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

the server each time:

a. DIMMs

b. Power supplies (hot-swap models)

c. (Trained service technician only) Power supply (non-hot swap models)

If you just installed an optional device, remove it, and restart the server. If the

server now starts, you might have installed more devices than the power

supply supports.

6. See “Power-supply LEDs” and “Solving undetermined problems” in the

Hardware Maintenance Manual.

The server does not turn off.

1. Determine whether you are using an Advanced Configuration and Power

Management (ACPI) or a non-ACPI operating system. If you are using a

non-ACPI operating system, complete the following steps:

a. Press Ctrl+Alt+Delete.

b. Turn off the server by holding the power-control button for 5 seconds.

c. Restart the server.

d. If the server fails POST and the power-control button does not work,

disconnect the ac power cord for 20 seconds; then, reconnect the ac power

cord and restart the server.

(Trained service technician only) If the problem remains or if you are using an

ACPI-aware operating system, suspect the system board.

The server unexpectedly shuts

down, and the LEDs on the

front-panel assembly are not lit.

See “Solving undetermined problems” in the Hardware Maintenance Manual .

Chapter 5. Solving problems 71

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