Replacing the BlackDiamond 12802 PSU/Fan Controller and Fan Tray
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
210
To replace the fan tray:
1 Attach the ESD-preventive wrist strap to your wrist and connect the metal end to the ground
receptacle on the top right corner of the switch.
2 Remove the fan tray as follows:
a Locate the two captive screws at the top and bottom of the fan tray (Figure 137).
b Using a #2 Phillips screwdriver, turn each captive screw counter-clockwise to loosen the screws
(see Figure 137).
Figure 137: Removing the fan tray from the BlackDiamond 12802 switch
c Use the fan tray handle to pull the fan tray half-way out of the fan tray slot (see Figure 137). This
action disconnects the fan tray from the switch power.
Wait for the fan blades to stop turning before continuing with this procedure.
Be sure that all fan blade motion has ceased before continuing to remove the fan tray.
d Support the bottom of the fan tray with your free hand as you use the handle to slide the fan tray
completely out of the fan tray slot.
Use both hands to support the weight of the fan tray during removal.
3 Install the replacement fan tray as follows:
a Support the bottom of the fan tray with your free hand as you lift the fan tray by the handle.
Align the fan tray with the fan tray slot on the switch, and then slide the fan tray into place in the
switch (see Figure 138).
Use both hands to support the weight of the fan tray during installation.
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