Dell PowerVault 200S (SCSI) - Manual (Page 6)

6 Dell PowerVault 2xxS Storage Systems SCSI Backplane Board Replacement Instructions
2. Holding the captive screws, carefully pull the cooling fan out of the cooling-
fan bay (see Figure 6).
Figure 6. Removing a Cooling Fan
3. Repeat steps 1 and 2 to remove the remaining cooling fans.
Remove the Enclosure Services Modules or
Enclosure Services Expander Modules
NOTICE: In a nonredundant system, note the location of the enclo-
sure services module, the enclosure services expander module, or
the terminator blank as you remove them from the module bays.
During the installation procedure (found later in this document), you
must return the enclosure services module, enclosure services
expander module, or the terminator blank to the same module bays
from which they were removed.
NOTICE: In a redundant system, note the location of the enclosure
services or enclosure services expander modules as you remove
them from the module bays. During the installation procedure (found
later in this document), you must return these modules to the same
module bays from which they were removed.
NOTE: A redundant storage system has two enclosure services or enclosure
services expander modules. A nonredundant storage system has one enclo-
sure services module or one enclosure services expander module and one
terminator blank. Because an enclosure services module, enclosure services
expander module, and a terminator blank are removed in the same manner, all
three components are referred to as an enclosure services module in this
procedure.
To remove the enclosure services modules, perform the following steps:
captive screws (2)