Lenovo System x3550 M5, Инструкция по установке и обслуживанию

Страница: 76 / 1144

ac power-supply LEDs
ac dc Error (!) Description Action Notes
Off Off Off No ac power to the
server or a problem
with the ac power
source. 1. Make sure that the ac power
source meets the minimum
voltage requirement for the
installed power supplies.
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.
Off Off On The power supply
has failed. Replace the power supply.
Off On /
Blinking
Off The power supply
has failed. Replace the power supply.
Off On /
Blinking
On The power supply
has failed. Replace the power supply.
On Off Off
Power supply not
fully seated, faulty
system board, or
the power supply
has failed. 1. Reseat the power supply.
2. Use the Power Configurator
utility to ensure that current
system power consumption
is under limitation. For
more information and to
download the utility, go to
http://www-03.ibm.com/
systems/bladecenter/
resources/powerconfig.html.
Typically indicates a
power-supply is not
fully seated.
On Off On The power supply
has failed. Replace the power supply.
On On /
Blinking
On
The power supply
has failed. Replace the power supply.
Note: When the dc LED is blinking at a 1 Hz rate, the PSU is at STANDBY mode. That is, no dc power
output is from this PSU.
System pulse LEDs
Use this information to diagnose possible errors that are indicated by the system pulse LEDs.
The following LEDs are on the system board and help you to monitor the system power-on and power-off
sequencing and boot progress (see “System-board LEDs” on page 29 for the location of these LEDs).
62
Lenovo System x3550 M5 Installation and Service Guide