Cisco 7603 - Modular Expansion Base Installation Manual page 103

Chapter 4 Troubleshooting
Possible Problem Area
Processor subsystem
1. supervisor = Route Switch Processor
OL-5077-7
Solution
3. If you see this message at startup, it means that the
system has detected an over temperature condition or
out-of-tolerance power inside the chassis:
Queued messages:
%ENVM-1-SHUTDOWN: Environmental Monitor
initiated shutdown
If an environmental shutdown results from an
out-of-tolerance power condition, the Output Fail LED
goes on before the system shuts down.
This shutdown message might also indicate a faulty
component or temperature sensor. Before the system shuts
down, use the show environment or show environment
table commands to display the internal chassis
environment.
Ensure that heated exhaust air from other equipment
4.
does not enter the inlet vents and that there is sufficient
clearance around the chassis to allow the cool air in.
1
Check the supervisor
1.
ensure that the power supplies and blower are
functioning properly.
2. Check the seating of the supervisor. If the supervisor is
not seated properly, it will hang the system.
3. If the supervisor Link LED is a flashing orange, the
system has detected a processor hardware failure.
Contact a technical support representative for
instructions.
Check to see whether the Supervisor Normal LED is
4.
on, indicating that the system software has initialized
successfully and that the system is operational.
Check the Enabled LED on each interface processor.
5.
This LED should be powered on when the Supervisor
has initialized the interface processor.
6. If the Enabled LED on an individual interface
processor is off, the interface processor might have
slipped away from the backplane. If the interface
processors are not seated properly, they will hang the
system.
Troubleshooting Router Booting Issues
LEDs. If no LEDs come on,
Cisco 7600 Series Routers Module Guide
4-3