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124 Chapter 4
Field Replaceable Units
FRU Removal and Replacement
Fans
The B2000 has three fans, which are shown in Figure 4-50: I/O fan, system fan, and
processor (turbocooler) fan. A chassis code in the workstation’s LCD which indicates that a
fan has failed (
FLT D01
n) or is running too slowly (
WRN D02
n) within a B2000 workstation
specifies the fan number, n. Figure 4-50 notes the number (n) for each fan. For more
information on identifying either a fan that has failed or one that is running too slowly, see
“Fan Faults and Warnings” on page 48.
NOTE
The processor fan (5) is mounted to the processor substrate on the system
board tray assembly. Thus, the processor fan itself is not replaceable. If the
LCD indicates a processor fan failure (
FLT D015
), the entire system board
tray assembly must be replaced. In this case, follow the procedures for
removing and replacing the system board tray assembly starting on page 129.
Figure 4-50. Fan Locations
If either the I/O fan (2) or the system fan (4) fails, you will need to replace it to ensure no
heat damage is caused to the workstation. To remove and replace the fan, see the following
subsections for the I/O fan or the system fan, as appropriate.
Removing the I/O Fan
NOTE
The speaker is contained within the same mounting bracket as the I/O fan.
For instructions on how to remove and replace the speaker, see page 127.
Perform the following steps to remove the I/O fan:
1. Open the left side panel of the workstation as shown in the section “Opening the Left
Side Panel.”
2. Remove the PCI retainer clip and all I/O cards. See the section “Removing I/O Cards” on
page 111.
I/O Fan (2)
System
Fan (4)
Processor
Fan (5)