System Pulse Leds - Lenovo System x3300 M4 Installation And Service Manual

Power-supply LEDs
AC DC Error (!)
On On
Off Off
Off Off
Off On
Off On
On Off
On Off
On On

System pulse LEDs

This section contains information about the system pulse LEDs.
The following LEDs are on the system board and monitor the system power-on and power-off sequencing
and boot progress: (see "System-board LEDs" on page 31 for the location of these LEDs)
22
System x3300 M4 Installation and Service Guide
Description
Off Normal operation
Off No ac power to the
server or a problem
with the ac power
source.
On Faulty
power-supply
Off Faulty
power-supply
Faulty
On
power-supply
Off Power supply
not fully seated,
faulty system
board, faulty power
supply, or system
not power-on
Faulty
On
power-supply
On Faulty
power-supply
Action
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. Replace the power-supply.
Replace the power supply.
Replace the power supply.
Replace the power supply.
1. Reseat the power supply.
2. Use the Power Configurator
utility to determine current
system power consumption.
For more information and to
download the utility, go to
http://www-03.ibm.com/
systems/bladecenter/
resources/powerconfig.html.
3. For hot-swap power-supply
systems, follow actions listed
in "Power problems" on page
139 and "Solving power
problems" on page 145.
Replace the power supply.
Replace the power supply.
Notes
This is a normal
condition when no ac
power is present.
Typically indicates a
power-supply is not
fully seated.