Chapter 3
Troubleshooting
Troubleshooting Methodology
72
Troubleshooting Methodology
WARNING Ensure that the system is powered-down and all power sources have been
disconnected from the server prior to removing or replacing a removable media
drive.
Voltages are present at various locations within the server whenever an AC power
source is connected. This voltage is present even when the main power switch is in
the off position.
Failure to observe this warning could result in personal injury or damage to
equipment.
CAUTION Do not operate the HP server for more than 5 minutes with any cover (including disk drives)
removed. If you are hot-swapping a fan, reinstall the cover within 5 minutes to prevent
overheating. Damage to system components may result due to improper cooling airflow.
This chapter provides limited information to support troubleshooting during installation. Refer to the
HP 9000 rp3410 and HP 9000 rp3440 Operations Guide for detailed troubleshooting information and
instructions for using the MP and online or offline troubleshooting tools.
Using the Front Panel 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. You must be aware of its uses to properly
troubleshoot the system. Power button functions are described in the following table.
Table 3-1 Power Button Functions
System State Switch Pressed Time Result
Power connected to power
supplies—system power off
1 second or less
More than 1 second
System power on
No effect
System at ISL Less than 1 second
More than 1 second but
less than 5 seconds
More than 5 seconds
No effect
Not used. This selection initiates E-buzzer
functions that are not supported in the HP 9000
rp3410 and HP 9000 rp3440 servers
Hard shutdown
System at BCH Less than 1 second
More than 1 second but
less than 5 seconds
More than 5 seconds
Hard shutdown
Not used. This selection initiates E-buzzer
functions that are not supported in the HP 9000
rp3410 and HP 9000 rp3440 servers
Hard shutdown
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