Troubleshooting Using The Server Power Button; Server Does Not Power On; Server Power Button Functions When Server Is On And At Bch; Server Power Button Functions When Server Is On And Os Is Running - HP rp4410 Service Manual

Troubleshooting is based on observation of server status indications and error messages, and by
checking system event logs. You can observe the LED indicators on the front and rear of the
server. Error messages are displayed on local and remote consoles. System history (console,
event, and history logs) is available through the iLO MP, and is accessed through the console.
Offline troubleshooting programs are available on the resource CD that is shipped with the
server. To troubleshoot the server, you must be familiar with the Offline Diagnostics Environment
(ODE) which runs in the Boot Console Handler (BCH). Descriptions and user information about
offline troubleshooting tools are available on the web at:
http://www.docs.hp.com.
The offline tools are available for downloading at:
http://www.software.hp.com.

Troubleshooting Using the Server Power Button

The server power button on the front panel operates differently depending on how long the
button is held in, and on what the system is doing when the button is pressed. To properly
troubleshoot the server, you must be aware of its uses.
Table 3-18 describes what happens when the server is at BCH, and you press the power button.
Table 3-18 Server Power Button Functions When Server is On and at BCH
Action
One to three seconds
Five seconds or longer
Table 3-19 describes what happens when the server is on with the operating system running,
and you press the power button.
Table 3-19 Server Power Button Functions When Server is On and OS is Running
Action
One to three seconds
Five seconds or longer
If the server is off, and power is not connected to server power supplies, pressing the power
button has no effect.
If the server is off, and power is connected to server power supplies, the front panel power LED
blinks at a 1 Hz rate. In this state, standby power is available to server circuits, but main power
is off.
Table 3-20 describes what happens when the server is off, and you press the power button.
Table 3-20 Server Power Button Functions When Server is Off
Action
One to three seconds

Server Does Not Power On

If the server is off, and power is not connected to server power supplies, pressing the power
button has no effect.
Reaction
System power turns off immediately (hard power off)
System power turns off immediately (hard power off)
Reaction
System power turns off (software controlled power off)
System power turns off immediately (hard power off)
Reaction
System power turns on
Troubleshooting 119