H3C UniServer R4900 G3, Руководство пользователя, Страница: 137 / 299

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CAUTION:
To avoid thermal damage to the server, do not operate the server for long periods with the access
panel open or uninstalled.
The fans are hot swappable. If sufficient space is available for replacement, you can replace a fan
without powering off the server or removing the server from the rack. The following procedure is
provided based on the assumption that no sufficient space is available for replacement.
Procedure
1.
Power off the server. For more information, see " Powering off the server ."
2.
Remove the server from the rack. For more information, see " Removing the server from a rack ."
3.
Remove the access panel. For more information, see " Replacing the access panel ."
4.
Pinch the latches on both sides of the fan to pull the fan out of the slot, as shown in Figure 159 .
Figure 159 Removing a fan
5.
Install a new fan. For more information, see " Installing fans ."
6.
Install the access panel. For more information, see " Replacing the access panel ."
7.
Rack-mount the server. For more information, see " Rack-mounting the server ."
8.
Connect the power cord. For more information, see " Connecting the power cord ."
9.
Power on the server. For more information, see " Powering on the server ."
Verifying the replacement
Log in to HDM to verify that the fan is in a correct state. For more information, see HDM online help.
Replacing the fan cage
WARNING!
To avoid bodily injury from hot surfaces, allow the server and its internal modules to cool before
touching them.
To replace the fan cage:
1.
Power off the server. For more information, see " Powering off the server ."