Compaq ProLiant 6400R Compaq ProLiant 6400R Servers - Page 28

Hot-Plug Dual Redundant CPU Fan Assembly

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Removal and Replacement Procedures 2-11 Hot-Plug Dual Redundant CPU Fan Assembly CAUTION: If you must remove the hot-plug dual redundant CPU fan assembly while the server is powered up, you have 5 minutes to change it before shutdown (Windows NT, UNIX, and Novell NetWare). Removal of both fans will cause overheating and subsequent server shutdown. NOTE: An amber LED fan indicator indicates the fan has failed. If the LED indicator is green, the fan is working properly. See the section "Hot-Plug Fan LED Indicators" in Chapter 4. To remove the hot-plug, dual-redundant CPU fan assembly, 1. Remove the top access panel. See "Top Access Panel" earlier in this chapter. 2. Loosen the thumbscrew located at the top of the fan . 3. Lift the fan straight out of the chassis . 1 2 Figure 2-7. Removing the hot-plug, dual-redundant CPU fan assembly Reverse steps 1 through 3 to replace the hot-plug, dual-redundant CPU fan assembly. IMPORTANT: It is not necessary to turn off the server to replace hot-plug devices, such as power supplies, fans, or PCI Hot Plug boards.

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Removal and Replacement Procedures
2-11
Hot-Plug Dual Redundant CPU Fan Assembly
CAUTION:
If you must remove the hot-plug dual redundant CPU fan assembly while the server
is powered up, you have 5 minutes to change it before shutdown (Windows NT, UNIX, and
Novell NetWare). Removal of both fans will cause overheating and subsequent server
shutdown.
NOTE:
An amber LED fan indicator indicates the fan has failed. If the LED indicator is green, the fan is
working properly. See the section “Hot-Plug Fan LED Indicators” in Chapter 4.
To remove the hot-plug, dual-redundant CPU fan assembly,
1.
Remove the top access panel. See “Top Access Panel” earlier in this chapter.
2.
Loosen the thumbscrew located at the top of the fan
.
3.
Lift the fan straight out of the chassis
.
1
2
Figure 2-7.
Removing the hot-plug, dual-redundant CPU fan assembly
Reverse steps 1 through 3 to replace the hot-plug, dual-redundant CPU fan assembly.
IMPORTANT:
It is not necessary to turn off the server to replace hot-plug devices, such as power
supplies, fans, or PCI Hot Plug boards.