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Chapter 5
Troubleshooting
5.5.5 Fan Tray Problems
If you need to remove or replace a fan tray as part of the troubleshooting steps below, see
"Upgrading and Maintaining the Cisco 6260 System,"
Table 5-7
Fan Tray Problems
Symptom
Fans do not run.
Fans run, but the
system overheats.
Air filter is damaged, dirty,
or clogged.
OL-2365-01
Steps to Take
Make sure the fan trays are fully inserted into the chassis and screwed in place.
1.
Replace the fan tray.
2.
1.
Make sure that the air intake vents at the bottom front of the chassis and the exhaust
vents on the top of the chassis are free of blockages, as explained in the
page
2-12.
Make sure that the ambient temperature and other environmental factors affecting the
2.
system are within the ranges specified in the
on page
2-11.
Make sure that all cards, blank faceplates, and covers are in place. The cooling system
3.
cannot operate effectively unless the chassis is fully enclosed.
Check the fan tray LEDs on the PEMs. If the LEDs show a problem, replace the
4.
indicated fan tray.
Check the air filter at the bottom of the fan tray, and if necessary clean or replace it.
5.
See the
"Removing and Replacing the Fan Tray" section on page 6-4
on cleaning or replacing the air filter.
6.
Reduce the ambient temperature.
Refer to
Chapter 6, "Upgrading and Maintaining the Cisco 6260 System"
on cleaning or replacing air filters.
for instructions.
"Environmental Requirements" section
Cisco 6260 Hardware Installation Guide
FRU-Specific Problems
Chapter 6,
Ventilation,
for instructions
for instructions
5-15
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