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Chapter 4 109
Field Replaceable Units
FRU Removal and Replacement
System Unit Fans
The B1000/C3000 has five fans that are used to cool various areas within the unit. If one of
these fans is not working, you will need to replace it to ensure no heat damage is caused to
the system unit. To replace a bad fan, you will need to follow one of three sets of procedures
that are covered in this section. The three procedures are:
• Removing the fan from the hard disk drive area
• Removing the fans from the CPU area
• Removing the fan and speaker from the I/O card area.
Figure 4-15. Fan Cooling Areas for the System Unit
CPU
Hard Disk
Drive Are
a
Area
I/O Card
Area