Power-supply LEDs
Description Action NotesAC 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. Restart the server. If the error
remains, check the
power-supply LEDs.
4. Replace the power-supply.
This is a normal
condition when no ac
power is present.
Off Off On Faulty
power-supply
Replace the power supply.
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. 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.
Typically indicates a
power-supply is not
fully seated.
On Off On Faulty
power-supply
Replace the power supply.
On On On Faulty
power-supply
Replace the power supply.
22 System x3300 M4 Type 7382: Installation and Service Guide