Troubleshooting Overview - Cisco Router 7204 Installation And Configuration Manual

Troubleshooting Overview

Figure 5-1
Turn on
system power
Troubleshooting Overview
This section describes the troubleshooting methods used in this chapter and describes how the
Cisco 7204 is divided into subsystems for more efficient problem solving.
Cisco 7204 Installation and Configuration Guide
5-2
Troubleshooting Strategy for Startup Problems
No
DC OK
LED on
?
Yes
Fans
No
operating
?
Yes
Check system
state with I/O
controller LEDs
or
I/O
No
controller
LEDs
OK?
Yes
Check system
state with port
adapter LEDs
Port
adapter No
enabled
LEDs on
?
Yes
System
startup
successful
Troubleshoot
DC OK
power
LED on
subsystem
?
Troubleshoot
Fans
cooling
operating
subsystem
?
Reseat
NPE-G1
NPE-G1
LEDs
and restart
OK?
or
I/O
Reseat I/O
controller
controller
LEDs
and restart
OK?
Port
adapter
Reseat port
enabled
adapters
LEDs on
and restart
?
Chapter 5 Troubleshooting the Installation
No
Yes
No
Yes
No
Yes
No
Yes
Obtain
technical
assistance
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