Troubleshooting The Power System - Cisco 1751V Hardware Installation Manual

Chapter 3 Troubleshooting
Table 3-2 Troubleshooting WICs and VICs (continued)
Symptom
Router powers on and boots only
when a particular WIC or VIC is
removed from the router.
Router powers on and boots only
when a particular cable is
disconnected.

Troubleshooting the Power System

Table 3-3 Troubleshooting the Power System
Symptom
Router shuts down after being on for
a short time.
The router attempts to boot, but all
LEDs remain off.
78-11258-04
Possible Solutions
Confirm that the Cisco IOS release installed in the router
•
supports the WIC or VIC. The Cisco WAN Interface Cards
Hardware Installation Guide lists the software requirements for
each card.
The router might be overheating. Contact your Cisco reseller.
•
There might be a problem with the WIC or VIC cables. Consult your
Cisco reseller for warranty information.
If the router external power supply fails, return it to your Cisco reseller.
lists symptoms and possible solutions of power problems.
Possible Solution(s)
Make sure that the area in which the router is installed
•
meets the environmental site requirements in the
"Technical Specifications"
the "Site Requirements" section in the Regulatory
Compliance and Safety Information for Cisco 1700 Routers
document that came with your router.
• Make sure nothing is blocking the fan vent on top of the
router.
If the front-panel PWR LED is not on, the power supply has
•
failed.
The power supply has failed. Return the router to your Cisco
reseller.
appendix in this guide and in
Cisco 1751 Router Hardware Installation Guide
Problem Solving
Table 3-3
3-11