H3C Technologies H3C SecPath F5000-A5 Firewall - Manual (Page 70)

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Figure 54 Pulling out the power module
4. Install a new power module.
For the installation procedures, see "
Installing a power module ."
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.