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Procedure
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" on page 95.
2. Check the fan assembly status using the following commands:
v 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 device
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.
v sensorShow - Displays current temperature and status of fan and power supply sensors located in
the device.
v errShow - Displays error log messages one at a time.
v errDump - Displays the entire system error log.
Example
Refer to "Using monitoring commands" on page 97 and theFabric OS Command Reference for output
examples and additional information on Fabric OS commands.
For more information about error messages, refer to the Fabric OS Message Reference.
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Fan Assemblies
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