60
Figure 54
Pulling out the power module
4.
Install a new power module.
For the installation procedures, see "
If no new power module is to be installed to the slot, install a filler panel to prevent dust from
entering the chassis.
Replacing a fan tray
CAUTION:
•
Keep your hands away from the spinning fan blades when removing the fan tray.
•
Do not keep the firewall working without a fan tray for a long time because poor ventilation may result
in damage to the firewall.
To replace a fan tray:
1.
Face the front panel of the firewall.
2.
Loosen the captive screws on the fan tray with a Phillips screwdriver until all pressure is released.