Servicing Field-Replaceable Units 133
■“Power On the Server” on page157
Servicing the Fan Tray Carriage
You must remove the fan tray carriage in order to service the following components:
■Hard drive backplane
■Motherboard
■Front control panel
■Front I/O board
This topic includes the following:
■“Remove the Fan Tray Carriage” on page133
■“Install the Fan Tray Carriage” on page134
Related Information
■“Servicing Fan Trays” on page84
■“Servicing the Hard Drive Backplane” on page135
■“Servicing the Motherboard” on page139
■“Servicing the Front Control Panel” on page148
■“Servicing the Front I/O Board” on page150

▼ Remove the Fan Tray Carriage

Before you begin, complete these tasks:
■Read the section, “Safety Information” on page 63.
■Power off the server using one of the methods described in the section, “Powering
Off the System” on page 67.
■“Extend the Server to the Maintenance Position” on page 70
■“Perform Electrostatic Discharge – Antistatic Prevention Measures” on page73
■“Remove a Fan Tray” on page87
Note – You must remove all four fan trays.
■“Remove the Top Cover” on page73