Server Power Features; Turning On The Server - Lenovo ThinkServer TD200x Installation And User Manual

The following table describes the problems that are indicated by various
combinations of the power-supply LEDs and the power-on LED on the operator
information panel and suggested actions to correct the detected problems.
Table 5. Power-supply LEDs
Power-supply LEDs
ac dc Error
Off Off Off
Off Off On
Off On Off
Off On On
On Off Off
On Off or On
Flashing
On On Off
On On On

Server power features

When the server is connected to an ac power source but is not turned on, the
operating system does not run, and all core logic except for the integrated
management module (IMM) is shut down; however, the server can respond to
requests from the IMM, such as a remote request to turn on the server. The
power-on LED flashes to indicate that the server is connected to ac power but not
turned on.

Turning on the server

Approximately 3 minutes after the server is connected to ac power, the
power-control button becomes active, and one or more fans might start running to
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ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Installation and User Guide
Description Action
No ac power to
1. Check the ac power to the server.
the server or a
2. Make sure that the power cord is
problem with the
connected to a functioning power
ac power source
source.
3. Turn the server off and then turn the
server back on.
4. If the problem remains, replace the
power supply.
No ac power to
1. Replace the power supply.
the server or a
2. Make sure that the power cord is
problem with the
connected to a functioning power
ac power source
source.
and the power
supply had
detected an
internal problem
Faulty power Replace the power supply.
supply
Faulty power Replace the power supply.
supply
Power supply not
1. Reseat the power supply.
fully seated,
2. If the system board error LED is off,
faulty system
replace the power supply.
board, or faulty
3. (Trained service technician only) If the
power supply
system board error LED is on, replace
the system board.
Faulty power Replace the power supply.
supply
Normal operation
Power supply is Replace the power supply.
faulty but still
operational
Notes
This is a normal
condition when no
ac power is present.
This happens only
when a second
power supply is
providing power to
the server.
Typically indicates
that a power supply
is not fully seated.