Technical data

NOTE
If you observe that the switch has powered down after two minutes after a fan
replacement, it is likely because the new fan has a mismatched airflow.
c) Gently push the fan into the chassis until it is firmly seated.
d) Using the Phillips screwdriver, secure the fan to the chassis by tightening the captive
screw.
FIGURE 14 Inserting the fan in the Brocade 7840
4. Verify that the fan status LED is steady green to indicate normal operation (refer to LEDs on the
nonport side of the switch on page 34).
Optionally, if using the command line interface (CLI), enter the fanShow command at the command
line prompt to display the status. You can also use the chassisShow command. The fan status can
also be viewed using the Web Tools application.
Removal and Replacement of Power Supplies and Fans
46 Brocade 7840 Extension Switch Hardware Reference Manual
53-1003127-02