Replacing A Hot-Swappable Fan Unit; I/O Baseboard Assembly; Removing The I/O Baseboard Assembly - HP rp4410 Service Manual

3. Grasp the fan unit locking handle, tilt it up, and pull the fan out from the chassis.
IMPORTANT:
operate at full speed for two minutes. After two minutes a soft-shutdown of the server
occurs.

Replacing a Hot-Swappable Fan Unit

To replace a hot-swappable I/O or power supply fan unit, follow these steps:
1. Orient the fan unit by aligning the appropriate icon on the fan unit handle to the identical
icon on the chassis wall.
2. Push the fan unit firmly into the housing and close the handle until flush to the top of the
chassis. The fan unit plugs into the power outlet on the system I/O board.
CAUTION:
fan unit and check that the alignment icons are oriented correctly.
3. Check the QuickFind diagnostic panel LED indicating the replaced fan unit. See
Diagnostic Panel LEDs" (page
• When the fan functions normally, the LED is off.
• When the fan fails, the LED is lit.
4. Replace the top cover. See

I/O Baseboard Assembly

WARNING!
from the server before removing or replacing the I/O baseboard assembly.
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 can result in personal injury or damage to equipment.
CAUTION:
behavior or system failure. For assistance with this procedure, contact your local HP Authorized
Service Provider.
Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD safety
precautions can result in damage to the server.

Removing the I/O Baseboard Assembly

CAUTION:
displayed by the BCH INFO ALL command. You might need to reset the values after replacing
the I/O baseboard assembly.
To remove the I/O baseboard assembly, follow these steps:
1. If rack-mounted, slide the server out from the rack until it stops. See
from the Rack" (page
2. Remove the top cover. See
3. Remove the three chassis fan units. See
4. Unplug all external cabling attached to the ports at the rear of the I/O chassis.
5. Unplug the internal SCSI cables attached to the top of the host bus adapter (HBA) board in
PCI slot 1.
When one fan unit is removed from the server, the remaining fan units
If the fan unit handle does not close completely, it is misaligned. Remove the
"Replacing the Top Cover" (page
Ensure that the system is powered off and all power sources have been disconnected
Failure to properly complete the steps in this procedure results in erratic system
Before removing the I/O baseboard assembly, record all boot configuration settings
58).
"Removing the Top Cover" (page
123).
"Removing a Hot-Swappable Fan Unit" (page
(Figure
"QuickFind
66).
"Extend the Server
65).
Installing Additional Components
3-15)
68).
69