FortiGate 3960E and 3980E Cooling Fan Trays


The FortiGate 3960E and 3980E has two, hot swappable fan trays installed in the back of the chassis.

Fan Tray Replacement

  1. Unscrew the four retention screws on the fan tray that is being replaced.
  2. Pull the fan tray away from the chassis using the handles.
  3. Put the outlet cover over the grill of the new fan tray. It will be held on by magnets.
  4. Slide the new fan tray into the chassis. The fan cover will fall off as the fans power up.
  5. Tighten the retention screws.
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