Installation guide
Chapter 2 Cabling and Troubleshooting the CSS
Troubleshooting the CSS Hardware Components
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Cisco 11500 Series Content Services Switch Hardware Installation Guide
78-16421-01
Troubleshooting the CSS Modules
CSS 11503 and CSS 11506 module status is indicated by the Status LED on the 
module front panel. For information about the module LEDs, see the “Cabling the 
CSS 11503 and CSS 11506 Modules” section earlier in this chapter.
Table 2-12 provides suggestions for correcting problems that may occur with the 
modules in the CSS 11503 and CSS 11506. 
Caution Always power down the CSS prior to removing or installing a module.
During normal CSS operation, 
the following message appears:
Temperature has reached x 
celsius for slot number
Check the six fans in the chassis. The 
CSS 11501 is running at a temperature that is 
too high, as indicated by the x variable. When a 
fan failure occurs, obtain technical assistance.
You cannot access log or 
archive files on the CSS disk but 
traffic is still passed in and out 
of the CSS.
Replace the disk containing the files. Remove 
the disk and install the replacement in the 
CSS 11501. Refer to the reference sheet that 
comes with the replacement disk. 
After you install the disk in the CSS, you must 
wait 10 seconds before you can reseat or 
remove it.
If the replacement disk does not have the same 
software version that the CSS is running, the 
CSS 11501 will not initialize the disk. You 
must reboot the CSS and configure a primary 
boot record. You can select the CSS software 
currently on the disk or instruct the CSS where 
to locate the CSS software ADI file to install on 
the disk. If you archived an offline version of 
your CSS running-config file, copy it back onto 
the CSS.
Table 2-11 Troubleshooting the CSS 11501 (continued)
Symptom Recommended Action










