IBM x3650 - System M2 - 7947, User Manual

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Table 2. Power-supply LEDs
Power-supply LEDs
Description Action Notes AC DC Error
Off Off Off No ac 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. Turn the server off and then turn the
server back on.
4. If the problem remains, replace the
power supply.
This is a normal
condition when no
ac power is present.
Off Off On No ac power to
the server or a
problem with the
ac power source
and the power
supply had
detected an
internal problem
1. Replace the power supply.
2. Make sure that the power cord is
connected to a functioning power
source.
This happens only
when a second
power supply is
providing power to
the server.
Off On Off Faulty power
supply Replace the power supply.
Off On On Faulty power
supply Replace the power supply.
On Off Off Power supply not
fully seated,
faulty system
board, or faulty
power supply
1. Reseat the power supply.
2. If the 240V failure LED on the system
board is lit, have the system board
replaced (trained service technician
only).
3. If the 240V failure LED on the system
board is not lit, replace the power
supply.
Typically indicates
that a power supply
is not fully seated.
On Off or
Flashing
On Faulty power
supply Replace the power supply.
On On Off Normal operation
On On On Power supply is
faulty but still
operational Replace the power supply.
Server power features
When the server is connected to a 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 power but is not turned on.
Turning on the server
Approximately 3 minutes after the server is connected to power, the power-control
button becomes active, and one or more fans might start running to provide cooling
while the server is connected to power. You can turn on the server and start the
operating system by pressing the power-control button.
The server can also be turned on in any of the following ways:
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System x3650 M2 Type 7947: Installation and User’s Guide