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support.dell.com Service Information for Technicians 7-9
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System messages alert you to a possible operating problem or to a conflict between
the software and hardware. If you receive a system message, see the HP OpenView
NNM SE x.x and Dell OpenManage HIP x.x documentation for suggestions on resolv-
ing any problems indicated by the message.
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This section provides information about the following procedures for removing and
replacing components and assemblies in the storage system:
Replacing the Power Supply
Replacing a Cooling Fan
Replacing an Enclosure Module
Removing and Reinstalling the Component Mounting Bracket
Removing the Dual-Bus Split Backplane Module
Removing the SCSI Backplane Board
Removing and Reinstalling the Lock Bar
Unless otherwise noted, each procedure assumes the following conditions:
You have performed the steps in "Precautionary Measures," found earlier in this
chapter.
You can replace or reinstall a part by performing the removal procedure in reverse
order, unless additional information is provided.
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Most of the procedures in this appendix require the use of one or more of the follow-
ing tools:
Number 1 and number 2 Phillips-head screwdrivers
11 1/2-inch–long Allen, 5/64-inch ball driver (magnetized)
Wrist grounding strap, as explained in "Precautionary Measures," found earlier in
this chapter
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When performing the procedures in this section, refer to the locations or directions
relative to the storage system as shown in Figure 7-3, unless otherwise specified.