IBM System x3300 M4 Installation And Service Manual page 165

Power-supply LEDs
AC DC Error (!)
Off Off
Off Off
Off On
Off On
On Off
On Off
On On
Description
Off No ac power to the
server or a problem
with the ac power
source.
On Faulty
power-supply
Off Faulty
power-supply
On Faulty
power-supply
Off Power-supply not
fully seated, faulty
system board, or
faulty
power-supply
On Faulty
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 IBM Power
Configurator utility to
determine current system
power consumption. For
more information and to
download the utility, go to
http://www3.ibm.com/
systems/bladecenter/
resources/powerconfig.html
3. For hot-swap power-supply
systems, follow actions listed
in "Power problems" on
page 289 and"Solving power
problems" on page 296.
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.
Chapter 4. Troubleshooting
147