HP rp8420 HP 9000 rp8420 Server - User Service Guide, Fifth Edition - Page 114

Replacing the Rear Smart Fan Assembly, Removing and Replacing a Disk Drive

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1. Identify the failed fan assembly. Table 6-2 defines the fan LED states. Table 6-2 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 or 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. 2. Loosen the two thumb screws securing the fan to the chassis. 3. Slide the fan from the chassis. Replacing the Rear Smart Fan Assembly 1. Position the fan assembly in the chassis. 2. Slide the fan into the connector. 3. Tighten the two thumb screws to secure the fan to the chassis. The LED should be on solid green. See Table 6-2 (page 114) for a listing of LED definitions. Removing and Replacing a Disk Drive The disk drive is located in the front of the chassis. Internal disk drives are hot-plug components. See "Hot-Plug FRUs" (page 101) for a list and description of hot-plug FRUs. The top drives correspond to the I/O for Cell 0 and the bottom drives correspond to the I/O for Cell 1. Figure 6-12 Disk Drive Location 114 Removal and Replacement

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1.
Identify the failed fan assembly.
Table 6-2
defines the fan LED states.
Table 6-2 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 or 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
2.
Loosen the two thumb screws securing the fan to the chassis.
3.
Slide the fan from the chassis.
Replacing the Rear Smart Fan Assembly
1.
Position the fan assembly in the chassis.
2.
Slide the fan into the connector.
3.
Tighten the two thumb screws to secure the fan to the chassis.
The LED should be on solid green. See
Table 6-2 (page 114)
for a listing of LED definitions.
Removing and Replacing a Disk Drive
The disk drive is located in the front of the chassis. Internal disk drives are hot-plug components.
See
“Hot-Plug FRUs” (page 101)
for a list and description of hot-plug FRUs. The top drives
correspond to the I/O for Cell 0 and the bottom drives correspond to the I/O for Cell 1.
Figure 6-12 Disk Drive Location
114
Removal and Replacement