Servicing The Power Distribution Board; Remove Power Distribution Board - Sun Oracle Sun Fire X4270 M2 Service Manual

2. If you removed the left LED module from a server with 2.5-inch storage drives,
install the server's front cover.
See
3. Return the server to operation.
a. Install the top cover.
b. Return the server to the normal rack position.
c. Reconnect the power cord (or cords) to the power supply (or supplies) and
5.6

Servicing the Power Distribution Board

On the Sun Fire X4270 M2 Server, you do not need to remove the motherboard to
service the power distribution board.
Caution – The server supplies power to the power distribution board even when the
server is powered off. To avoid personal injury or damage to the server, you must
disconnect the power cords before servicing the power distribution board.
5.6.1

Remove Power Distribution Board

1. Prepare the server for service.
a. Power off the server and disconnect the power cord (or cords) from the power
b. Extend the server to the maintenance position.
5-18 Sun Fire X4270 M2 Server Service Manual • May 2011
Section 6.1.1, "Install the Server Front Cover" on page
See Section 6.2, "Installing the Server Top Cover" on page
See Section 6.4, "Returning the Server to the Normal Rack Position" on
page 6-5.
power on the server.
See Section 6.5, "Powering On the Server" on page
Verify that the AC Present LED is lit.
supply (or supplies).
See Section 2.4.2, "Power Off the Server" on page
See Section 2.6, "Extending the Server to the Maintenance Position" on
page 2-26.
6-2.
6-2.
6-7.
2-4.