Maintenance
VX1411 MainFrame Instruction Manual
6–7
To remove the fan control board , perform Procedure 1: Remove Fan Assembly
and then refer to Figure 6–5 to remove the fan assembly.
Grasp the cable tie loop and pull the fan control board until it comes loose from
the backplane. Then slide the board out of the right side of the mainframe.
Fan control
board
Cable tie loop
Figure 6–5: Removing the fan control board
To remove the power supply from the mainframe, refer to Figure 6–3 and
perform steps 1 through 4 of Procedure 1 to remove the fan assembly. Then
continue with the following steps:
1. Using the handle on the power supply, firmly pull out the power supply from
the rear of the mainframe.
2. Set the power supply assembly on a clean working surface.
NOTE
. Step 3 is necessary only if you intend to replace the Power Supply
Interface board. This step is normally not necessary because the Power Supply
and the Power Supply Interface board can be replaced as a single unit.
Procedure 2: Removing
the Fan Control Board
Procedure 3: Removing
the Power Supply
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