Operations 36
4. Do one of the following:
o For tower models, place the server on a flat, level surface with the access panel facing up.
o For rack models, extend the server from the rack (on page 33).
5. Remove the access panel (on page 31).
6. Locate the fan to be removed ("Hot-plug fans" on page 26).
7. Remove a fan.
CAUTION: Do not operate the server for long periods with the access panel open or removed.
Operating the server in this manner results in improper airflow and improper cooling that can
lead to thermal damage.
IMPORTANT: For optimum cooling, install fans in all primary fan locations. For more
information, refer to the fan locations table ("Hot-plug fans" on page 26).
Remove the fan cage
IMPORTANT: When installing or replacing server components, one or more fans might need to
be removed. To prevent an orderly or immediate server shutdown, HP highly recommends
powering down the server during these procedures. To determine if powering down is required,
see the specific procedure.
IMPORTANT: For optimum cooling, install fans in all primary fan locations. For more
information, refer to the fan locations table ("Hot-plug fans" on page 26).
To remove the component:
1. Do one of the following:
o For tower models, open and remove the tower bezel ("Remove the tower bezel" on page 30).
o For rack models, if installed, remove the security bezel ("Remove the security bezel (optional)" on
page 30).
2. Power down the server (on page 29).