Information Technology Reference
In-Depth Information
Table 3-3 outlines the areas where Cisco 4000 series startup problems may occur and describes solutions
to those problems.
Table3-3
Hardware: Cisco 4000 Series Startup Problems and Solutions
Possible Problem Area
Solution
Power and cooling
subsystems
Check to see whether the blower is operating. If it is
not, check the AC power input, AC power source,
router circuit breaker, and power supply cable.
1.
If the system shuts down after being on a short time,
check the power supply. If the power supply appears
operational, the router might have shut down due to
overheating. Check the console for error messages
similar to the following:
2.
%SYS-1-OVERTEMP: System detected
OVERTEMPERATURE condition. Please
resolve cooling problem immediately!
Make sure that the fans are working and that there is no air
blockage to cooling vents.
If the system partially boots but LEDs do not light,
contact your technical support representative.
3.
NPMs
1
and cables
1.
Make sure that NPMs are properly connected to the
motherboard connector.
2.
Check the external cables.
3.
Check the processor or software for proper
configuration.
4.
Check the external console connection and verify that
the console baud rate is correct.
1.
NPMs = network processor modules
Cisco 2500 Series Startup
When you start up a Cisco 2500 series router, the following should occur:
The System OK LED should come on and stay on as long as power is supplied.
•
The fans should be operating.
•
