Cisco 1760 Hardware Installation Guide - Page 70

Problem-Solving Chapter 3 Troubleshooting Table 3-2 Troubleshooting WICs and VICs (continued) Symptom Possible Solutions Router powers on and boots only when a particular WIC or VIC is removed from the router. • There may be a problem with the WIC or VIC. Consult your Cisco reseller. • 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. Router powers on and boots only There might be a problem with the WIC or VIC cables. Consult your when a particular cable is Cisco reseller for warranty information. disconnected. Troubleshooting the Power System Table 3-3 lists symptoms of and possible solutions to power problems. Table 3-3 Troubleshooting the Power System Symptom Possible Solutions Router shuts down after being on for • The router may be overheating. Make sure that nothing is a short time. blocking the fan vents on the side of the router. • Make sure that the area in which the router is installed meets the environmental site requirements given in Appendix A of this guide and in the "Site Requirements" section in the Regulatory Compliance and Safety Information for Cisco 1700 Routers document that came with your router. • If the PWR LED is not on, the power supply has failed. The router attempts to boot, but all The power supply has failed. Return the router to your Cisco LEDs remain off. reseller. 3-12 Cisco 1760 Modular Access Router Hardware Installation Guide 78-13342-03