5-2 Sun Fire X4150 Server Service Manual • November 2009
Note – FRU: This field-replaceable unit should be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
Caution – Ensure that all power is removed from the server before removing or
installing fan power boards. You must disconnect the power cables before
performing this procedure.
5.1.1 Removing a Fan Power Board
1. Prepare the server for service.
a. Power off the server.
See Section 2.4, “Powering Off the Server” on page 2-3.
b. Disconnect the power cord (or cords) from the power supply (or supplies).
See Section 2.4, “Powering Off the Server” on page 2-3.
c. Slide the server out of the rack.
See Section 2.5, “Extending the Server to the Maintenance Position” on
page 2-5.
Note – If you are removing the fan power boards to access the paddle card or drives
cage, you must remove the server from the rack. See Section 2.6, “Removing a Server
From the Rack” on page 2-6.
d. Attach an antistatic wrist strap.
See Section 2.7, “Performing Electrostatic Discharge and Antistatic Prevention
Measures” on page 2-8.
e. Remove the top cover.
See Section 2.8, “Removing the Top Cover” on page 2-10.
2. Remove the fan modules.
Note – If you are replacing a defective fan power board, remove only the fan
modules that are necessary to remove the defective fan power board.
See Section 3.3.4, “Removing a Fan Module” on page 3-11.
To Next Page
Loading...
