Cisco 7206VXR Configuration Guide - Page 164

Problem Solving Using a Subsystems Approach

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Troubleshooting Overview Chapter 5 Troubleshooting the Installation Table 5-1 General Troubleshooting Strategy Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Action Turn power on. Go to Step 2. PWR OK LED on? Yes - Go to Step 3. Fans operating? Go to Step 5. Fans operating? Go to Step 5. Check system state with I/O controller LEDs. Go to Step 7. I/O controller LEDs OK? NPE-G1, NPE-G2, or I/O controller LEDs OK? Go to Step 7. Check system state with port adapter LEDs. System startup Port adapter enabled LEDs on? successful. If installed, check Port Adapter Jacket Card power and enabled LEDs. LEDs on? Go to Step 9. Port adapter enabled LEDs on? System startup successful. No - Troubleshoot power subsystem. Troubleshoot cooling subsystem. Obtain technical assistance. Reseat the NPE-G1 or NPE-G2 and restart or reseat I/O controller and restart. Then go to Step 6. Obtain technical assistance Reseat the port adapters and restart. Go to Step 9. If a Port Adapter Jacket Card is installed with an NPE-G1 or NPE-G2, remove the port adapter from it and reseat. Go to Step 8. Remove the port adapter, then the Port Adapter Jacket Card, and then reseat the Port Adapter Jacket Card and port adapter. Go to Step 9. Obtain technical assistance. Problem Solving Using a Subsystems Approach The key to solving problems with the system is isolating the problem to a specific subsystem. The first step in solving startup problems is to compare what the system is doing to what it should be doing. Because a startup problem is usually caused by a single component, it is more efficient to first isolate the problem to a subsystem rather than troubleshoot each component in the system. For these troubleshooting procedures, consider the following subsystems: • Power subsystem-This subsystem comprises the power supplies, the external power cable, and the midplane. Cisco 7200 VXR Installation and Configuration Guide 5-2 OL-5013-09

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5-2
Cisco 7200 VXR Installation and Configuration Guide
OL-5013-09
Chapter 5
Troubleshooting the Installation
Troubleshooting Overview
Problem Solving Using a Subsystems Approach
The key to solving problems with the system is isolating the problem to a specific subsystem. The first
step in solving startup problems is to compare what the system
is
doing
to what it
should be doing
.
Because a startup problem is usually caused by a single component, it is more efficient to first isolate
the problem to a subsystem rather than troubleshoot each component in the system. For these
troubleshooting procedures, consider the following subsystems:
•
Power subsystem—This subsystem comprises the power supplies, the external power cable, and the
midplane.
Table 5-1
General Troubleshooting Strategy
Action
Yes
No
Step 1
Turn power on. Go to Step 2.
—
—
Step 2
PWR OK LED on?
Go to Step 3.
Troubleshoot power
subsystem.
Step 3
Fans operating?
Go to Step 5.
Troubleshoot cooling
subsystem.
Step 4
Fans operating?
Go to Step 5.
Obtain technical
assistance.
Step 5
Check system state with I/O controller LEDs.
I/O controller LEDs OK?
Go to Step 7.
Reseat the NPE-G1 or
NPE-G2 and restart or
reseat I/O controller
and restart. Then go to
Step 6.
Step 6
NPE-G1, NPE-G2, or I/O controller LEDs OK?
Go to Step 7.
Obtain technical
assistance
Step 7
Check system state with port adapter LEDs.
Port adapter enabled LEDs on?
System startup
successful.
Reseat the port
adapters and restart. Go
to Step 9.
If a Port Adapter Jacket
Card is installed with
an NPE-G1 or
NPE-G2, remove the
port adapter from it and
reseat. Go to Step 8.
Step 8
If installed, check Port Adapter Jacket Card
power and enabled LEDs. LEDs on?
Go to Step 9.
Remove the port
adapter, then the Port
Adapter Jacket Card,
and then reseat the Port
Adapter Jacket Card
and port adapter. Go to
Step 9.
Step 9
Port adapter enabled LEDs on?
System startup
successful.
Obtain technical
assistance.