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A P P E N D I X A
Troubleshooting
This appendix describes how to troubleshoot the Cisco MDS 9216 Switch installation, and includes the following information:
•Getting Started, page
•Solving Problems at the Component Level, page
•Identifying Startup Problems, page
•Troubleshooting the Power Supplies, page
•Troubleshooting the Fan Module, page
•Troubleshooting Switching and Services Modules, page
•Contacting Customer Service, page
Getting Started
Problems with the initial power up are often caused by a module that is not firmly connected to the backplane or a power supply that has been disconnected from the power cord connector.
Overheating can also cause problems with the system, though typically only after the system has been operating for an extended period of time. The most common cause of overheating is the failure of a fan module.
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