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4-72 Sun Fire X4100 and Sun Fire X4200 Servers Service Manual • June 2006
4.4.17 Replacing the Rear Fan Tray
Follow these steps to remove and replace the rear fan tray.
Note – This component is a hot-swappable CRU and can be replaced by anyone.
TABLE 4-18 lists the qualified part numbers for this component. These part numbers
are subject to change over time. For the most up-to-date list of replaceable
components, product updates, and downloads, see the following URL:
http://www.sun.com/servers/entry/x4100/downloads.jsp
1. Working from the rear of the server, unfasten the two captive thumbscrews on the
face of the rear fan tray. See
FIGURE 4-70
The internal system software designation of the rear fan tray is FT3. The rear fan tray
has one fault LED on its face:
■ LED is off: Fan tray is operating properly.
■ LED is on (amber): Fan tray is faulty and should be replaced.
2. Remove the rear fan tray from the chassis.
The fan tray’s cable connector disengages from the internal connector on the chassis.
Note – In FIGURE 4-70, the server is shown with the cover off for visibility of the
component; do not remove the cover for this procedure.
TABLE 4-18 Sun Fire X4200 Supported Rear Fan Tray (Blower Tray) Part Numbers
Component Part Number
Blower tray assembly (Sun Fire X4200 rear fan tray) 541-0645