
4. Push in on each captive screw and tighten with #1 Phillips screwdriver to secure the fan assembly to the chassis.
NOTE
Be sure that captive screws are tightened. If not, high pressure from fan operation may unseat fan from chassis
connectors.
Verifying fan operation
Perform the following tasks to verify operation of a fan assembly:
1. Check the LED indicators on the fan assemblies. The fan assemblies are located on the nonport side of the device. The LED
patterns may temporarily change during POST and other diagnostic tests. For information on interpreting LED patterns, refer to
Interpreting fan assembly LEDs
2. Check the fan assembly status using the following commands:
•
fanShow
- Displays the status for each fan assembly as OK, Absent, or Faulty. The RPM of each fan in the assembly is
also provided. If a fan assembly displays absent or faulty, contact the chassis supplier to order replacement parts. Both
physically absent or faulty could also be the result of the fan not being properly seated in the chassis slot.
•
sensorShow
- Displays current temperature and status of fan and power supply sensors located in the chassis.
•
errShow
- Displays error log messages one at a time.
•
errDump
- Displays the entire system error log.
Refer to
Brocade Fabric OS Command Reference
for output examples and
additional information on Fabric OS commands.
For more information about error messages, refer to the
Brocade Fabric OS Message Reference
.
Verifying fan operation
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