v
Power-supply error LED:
When the power-supply error LED is lit, it indicates
that the power supply has failed.
Note:
Power supply 1 is the default/primary power supply. If power supply 1
fails, you must replace the power supply immediately.
v
Power-on LED:
When this LED is lit and not flashing, it indicates that the server
is turned on. The states of the power-on LED are as follows:
Off:
Power is not present, or the power supply or the LED itself has failed.
Flashing rapidly (4 times per second):
The server is turned off and is not
ready to be turned on. The power-control button is disabled. This will last
approximately 5 to 10 seconds.
Flashing slowly (once per second):
The server is turned off and is ready to
be turned on. You can press the power-control button to turn on the server.
Lit:
The server is turned on.
v
System-locator LED:
Use this LED to visually locate the server among other
servers. You can use IBM Systems Director or IMM2 web interface to light this
LED remotely.
v
System-error LED:
When this LED is lit, it indicates that a system error has
occurred. An LED on the light path diagnostics panel is also lit to help isolate the
error.
AC power-supply LEDs
The following illustration shows the location of the power-supply LEDs on the rear
of the server. See the
Problem Determination and Service Guide
for additional
information about solving power-supply problems.
The following table describes the problems that are indicated by various
combinations of the power-supply LEDs on an ac power supply and suggested
actions to correct the detected problems.
AC power-supply LEDs
Description
Action
Notes
AC
DC
Error (!)
On
On
Off
Normal operation.
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. Restart the server. If the error
remains, check the
power-supply LEDs.
4. If the problem remains,
replace the power-supply.
This is a normal
condition when no ac
power is present.
Chapter 1. The System x3550 M4 server
23
Summary of Contents for Redboks System x3550 M4
Page 1: ...IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 2: ......
Page 3: ...IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 8: ...vi IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 46: ...30 IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 58: ...42 IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 88: ...72 IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 138: ...122 IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 142: ...126 IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 150: ...134 IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 156: ...140 IBM System x3550 M4 Type 7914 Installation and User s Guide...
Page 157: ......
Page 158: ...Part Number 00V9702 Printed in USA 1P P N 00V9702...