7-16
Step4
Fasten the captive screws by turning them clockwise with a Philips screwdriver.
Figure 7-25
Fasten the captive screws
Step5
Turn on the power switch of the firewall if the firewall is powered off. The fan LED RUN (green) lights up,
indicating the fans run normally.
z
The device supports automatic fan speed adjustment.
z
For the description of the fan tray LEDs, refer to Chapter 1 “Firewall Overview.”
Removing a Fan Tray
Keep your hands away from the spinning fan blades when removing the fan tray.
To remove a fan tray, reverse the installation procedure.
Step1
Face the front panel of the firewall.
Step2
Loosen the captive screws on the fan tray by turning them counterclockwise with a Philips screwdriver.