HP rp8420 HP 9000 rp8420 Server - User Service Guide, Fifth Edition - Page 157

Removing and Replacing a PCI Smart Fan Assembly, Preliminary Procedures

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The critical resource analysis (CRA) performed while doing an attention button initiated replace action is very restrictive and the action will not complete-it will fail-to protect critical resources from being impacted. For finer control over CRA actions use pdweb or the olrad command. Refer to the Interface Card OL* Support Guide located on the Web at http://docs.hp.com for details. Removing and Replacing a PCI Smart Fan Assembly The PCI smart fan assembly is located in front of the PCI card cage. The fan assembly is a hot-swap component. See "Hot-Swap FRUs" (page 101) for a list and description of hot-swap FRUs. Figure 6-49 PCI Smart Fan Assembly Location Preliminary Procedures These procedures must be completed before removing the PCI smart fan assembly. 1. Identify the failed fan assembly. Table 6-4 (page 157) defines the fan LED states. 2. Connect to ground with a wrist strap. See "Electrostatic Discharge " (page 103) for more information. 3. Remove the top cover. See "Removing and Replacing Covers" (page 104). Table 6-4 Smart Fan Assembly LED Indications LED State On Green Flash Yellow Red Off Meaning Fan is at speed and in sync or not at speed less than 12 seconds. Fan is not keeping up with speed/sync pulse for greater than 12 seconds. Fan failed/stalled, has run slow, or fast for greater than 12 seconds. Fan is not present, or no power is applied to fan, or the fan has failed. Removing the PCI Smart Fan Assembly 1. Securely grasp the two thumb holds on the fan assembly. 2. Slide the fan upward from the chassis. Removing and Replacing a PCI Smart Fan Assembly 157

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The critical resource analysis (CRA) performed while doing an attention button initiated replace
action is very restrictive and the action will not complete—it will fail—to protect critical resources
from being impacted. For finer control over CRA actions use
pdweb
or the
olrad
command.
Refer to the Interface Card OL* Support Guide located on the Web at http://docs.hp.com for
details.
Removing and Replacing a PCI Smart Fan Assembly
The PCI smart fan assembly is located in front of the PCI card cage. The fan assembly is a hot-swap
component. See
“Hot-Swap FRUs” (page 101)
for a list and description of hot-swap FRUs.
Figure 6-49 PCI Smart Fan Assembly Location
Preliminary Procedures
These procedures must be completed before removing the PCI smart fan assembly.
1.
Identify the failed fan assembly.
Table 6-4 (page 157)
defines the fan LED states.
2.
Connect to ground with a wrist strap. See
“Electrostatic Discharge ” (page 103)
for more
information.
3.
Remove the top cover. See
“Removing and Replacing Covers” (page 104)
.
Table 6-4 Smart Fan Assembly LED Indications
Meaning
LED State
Fan is at speed and in sync or not at speed less than 12 seconds.
On Green
Fan is not keeping up with speed/sync pulse for greater than 12 seconds.
Flash Yellow
Fan failed/stalled, has run slow, or fast for greater than 12 seconds.
Red
Fan is not present, or no power is applied to fan, or the fan has failed.
Off
Removing the PCI Smart Fan Assembly
1.
Securely grasp the two thumb holds on the fan assembly.
2.
Slide the fan upward from the chassis.
Removing and Replacing a PCI Smart Fan Assembly
157