Appendix B Troubleshooting Initial Startup Problems
General Troubleshooting Tips
Table | Troubleshooting the Cooling Subsystem (continued) |
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Symptom |
| Possible Cause | Possible Solution |
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| Heated exhaust air from other | Move other |
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| equipment is entering the routers | equipment or the |
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| inlet vents. | router to ensure |
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| proper airflow. |
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System shuts down and this error message | The error message could indicate a | Contact a service | |
is displayed: |
| faulty component or temperature | representative. |
Queued messages: | sensor. Before the system shuts |
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down, use the show env all command |
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Monitor initiated shutdown | to display the internal chassis |
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| environment. |
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This error message indicates that the system |
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has detected an overtemperature condition |
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or |
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the chassis. |
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Note The system fans may continue to |
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operate although the system shuts |
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down. |
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| If an environmental shutdown results | If the system still |
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| from an | fails to come up |
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| condition, the system shuts down. | when the power |
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| supply is |
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| connected to a |
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| different power |
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| source with a new |
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| power cable, the |
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| power supply is |
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| probably faulty. |
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| Contact a service |
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| representative. |
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Troubleshooting the Shared Port Adapter
Check the following to help isolate a problem with the shared port adapter:
Table | Troubleshooting the Shared Port Adapter | ||
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Symptom |
| Possible Cause | Possible Solution |
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Shared Port |
| The shared port | Reseat the adapter in its slot (you do not have to turn off the |
adapter |
| adapter might | system power when removing or replacing port and service |
ENABLED |
| have pulled away | adapters). After the system reinitializes the interfaces, the |
LED is off. |
| from the system | ENABLED LED on the shared port adapter should go on. |
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| board. | If the ENABLED LED remains off, the system detected a |
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| processor hardware failure. (This LED should be on in normal |
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| operation.) Contact a service representative for instructions. |
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| Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation and Initial Configuration Guide |
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