IBM x3650 M3 Installation And User Manual page 35

Table 4. Power-supply LEDs
AC 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
The following table describes the problems that are indicated by various
combinations of the power-supply LEDs on a dc power supply and suggested
actions to correct the detected problems.
DC power-supply LEDs
IN OK OUT OK Error (!)
On On
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
ac power source
3. Turn the server off and then turn the
4. If the problem remains, replace the
No ac power to
1. Replace the power supply.
the server or a
2. Make sure that the power cord is
problem with the
ac power 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
1. (Trained service technician only)
not fully seated,
faulty system
2. If a power channel error LED on the
board, or faulty
power supply
3. If a power channel error LED on the
Faulty power Replace the power supply.
supply
Normal
operation
Power supply is Replace the power supply.
faulty but still
operational
Description
Off Normal operation
connected to a functioning power
source.
server back on.
power supply.
connected to a functioning power
source.
Reseat the power supply.
system board is not lit, replace the
power-supply (see the documentation
that comes with the power supply for
instructions).
system board is lit, (trained service
technician only) replace the system
board.
Action
Chapter 1. The System x3650 M3 server
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.
Notes
21