Cisco Systems 7609 manual Identifying Startup Problems

Chapter 4 Troubleshooting

Identifying Startup Problems

LED is red, this indicates that one or more fans in the fan assembly is not operating. You should immediately contact a customer service representative. (See the “Contacting Customer Service” section on page 4-7.) There are no installation adjustments that you can make if the fan assembly does not function properly at initial startup.

•Supervisor engine—The supervisor engine contains the system operating software, so check here if you have trouble with the system software. Status LEDs on the supervisor engine indicate whether or not the supervisor engine is able to initialize the switching module.

If you have a redundant supervisor engine, refer to the Cisco 7600 Series Internet Router Software Configuration Guide or the Cisco 7600 Series Internet Router IOS Software Configuration Guide publications for descriptions of how the redundant supervisor engine comes online and how the software images are handled.

•Switching modules—Status LEDs on each switching module indicate if the module has been initialized by the supervisor engine. A switching module that is partially installed in the backplane can cause the system to halt.

Identifying Startup Problems

LEDs indicate all system states in the startup sequence. By checking the LEDs, you can determine when and where the system failed in the startup sequence.

Perform these steps to identify startup problems:

Step 1 Turn on the power supplies. You should immediately hear the system fan assembly begin to operate. If you do not, see the “Troubleshooting the Power Supply” section on page 4-5. If you determine that the power supplies are functioning normally and that the fan assembly is faulty, contact a customer service representative. If the system fan assembly does not function properly at initial startup, there are no installation adjustments that you can make. To replace the fan assembly, see the “Removing and Replacing the Fan Assembly” section on page 5-12.

	Cisco 7609 Internet Router Installation Guide
OL-5079-04		4-3