HP Integrity rx2660 Server User Service Guide

Table 30 Server Power Button Functions When Server is On and at EFI
ReactionAction
System power turns off immediately (hard power off)1-3 seconds
System power turns off immediately (hard power off)5 seconds or longer
Table 31 describes what happens when the server is on with the operating system running, and
you press the power button.
Table 31 Server Power Button Functions When Server is On and OS is Running
ReactionAction
System power turns off (software controlled power off)1-3 seconds
System power turns off immediately (hard power off)5 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 32 describes what happens when the server is off, and you press the power button.
Table 32 Server Power Button Functions When Server is Off
ReactionAction
System power turns on1-3 seconds
Server Does Not Power On
The server power button on the front panel operates differently depending on how long the button
is held, and on what the system is doing when the button is pressed. You must be aware of its uses
to properly troubleshoot the system.
NOTE: If the server is off, and power is not connected to server power supplies, pressing the
power button has no effect.
Power problems during installation are usually related to the installation process. If the server does
not power on, check the LED indicators on the power supply rear panels and follow these steps:
• If the AC power LED on the power supply on the rear panel of the server is lit, power is
available to the server.
• If the AC power LED is not lit, the server is either in standby power mode, or there is a problem.
Re-seat the power supply. If the problem persists, remove and re-seat the board within the
server. If the problem persists, replace the power supply or the power supply interface board.
• If the console shows that the server is powered on, but server LEDs indicate that power is off,
remove and re-seat connectors on the LED status board. If the problem persists, replace the
LED status board. If the console shows that the server is not powered on (server is off), remove
and re-seat connectors on the system board. If the problem persists, replace the power supply
interface board, or the system board.
82 Installing the Server