Lenovo TS100 User Manual
Page 180
The following table describes the problems that are indicated by various
combinations of the power supply LEDs and the power-on LED on the front
information panel and suggested actions to correct the detected 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, ThinkServer TS100 Machine Types 6431, 6432, 6433,
and 6434,” on page 37 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.
power supply
LEDs
Front
information
panel power-on
LED
Description
Action
AC
DC
Off
Off
Off
No power to the
server, or a
problem with the
ac power source.
1. Check the ac power to the server.
2. Make sure that the power cord is
connected to a functioning power
source.
3. Remove one power supply at a
time.
Lit
Off
Off
DC source or
power supply
power problem.
1. Make sure that the power supply is
connected to the power backplane.
2. Remove and replace one power
supply at a time.
3. View the system-error log (see
Lit
Lit
Off
Standby power
problem.
1. View the system-error log (see
2. Remove one power supply at a
time.
3. (Trained service technician only)
Replace the power backplane.
Lit
Lit
Flashing
System
power-on
problem.
1. View the system-error log (see
2. Make sure that the power cables
are seated correctly.
3. Press the power-control button on
the control-panel.
4. Remove the optional Remote
Supervisor Adapter II SlimLine, and
try to turn on the server.
5. (Trained service technician only)
Reseat the system board.
6. (Trained service technician only)
Replace the system board.
Lit
Lit
Lit
The power is
good.
No action is necessary.
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ThinkServer TS100 Types 6431, 6432, 6433, and 6434: Hardware Maintenance Manual