Lenovo System x3650 M5 Installation And Service Manual page 86

AC power-supply LEDs
AC DC
On On/
Blinking
Off Off
Off Off
Off On/
Blinking
Off On/
Blinking
On Off
On Off
On On/
Blinking
DC power-supply LEDs
Use this information to view DC power-supply LEDs.
The following illustration shows the locations of the power-supply LEDs on the dc power supply.
74
Lenovo System x3650 M5 Installation and Service Guide
Error (!) Description
Off Normal operation.
Off No ac power to the
server or a
problem with the
ac power source.
On The power supply
has failed.
Off The power supply
has failed.
On The power supply
has failed.
Power-supply not
Off
fully seated, faulty
system board, or
the power supply
has failed.
The power supply
On
has failed.
The power supply
On
has failed.
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. If the problem remains,
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 ensure current
system power consumption
is under limitation. For more
information and to download
the utility, go to
http://
www.ibm.com/ systems/
bladecenter/ resources/
.
powerconfig.html
3. Check the error LEDs on the
system board and the IMM2
error messages. Follow steps
in "Power problems" on page
94 and "Solving power
problems" on page 106 until
the problem is solved.
Replace the power supply.
Replace the power supply.
Notes
When the DC LED is
blinking as a 1Hz rate,
the PSU is at
STANDBY mode, i.e.
no DC power output
from this PSU
This is a normal
condition when no ac
power is present.
Typically indicates a
power-supply is not
fully seated.