Troubleshooting The Cooling Subsystem - Cisco 7301 Installation And Configuration Manual
Configuration guide
Hide thumbs
Also See for 7301:
- Regulatory compliance and safety information manual (70 pages) ,
- Manual (111 pages) ,
- Quick start manual (35 pages)
Table of Contents
Advertisement
Chapter 5
Troubleshooting Initial Startup Problems
Table 5-1
Symptom
System does not
power on.
System does not
power on.
(continued)
System powers off,
no STATUS LED,
and no operating
fans.
Troubleshooting the Cooling Subsystem
Check the following to help isolate a problem with the cooling subsystem:
OL-5418-07
Troubleshooting the Power Subsystem (continued)
Possible Cause
DC internal power cables are not
fully seated; from the power supply
to the system board, from the power
supply to the power switch, and the
power supply to the power
connector
Power source is faulty.
Faulty power cable.
Faulty power supply.
Power supply failure.
Problem Solving Using a Subsystems Approach
Possible Solution
Turn the router power switch to the off
position and unplug the router power
cable. Open the cover and check the
power supply cable connections. Reseat
the cables if necessary. Replace the cover,
plug in the power cable, and power on the
router.
Turn the switch off, connect the power
cable to another power source, if
available, and turn the router power
switch back on.
Turn the switch to the off position,
remove the cable and replace it.
If the system still fails to come up when
the power supply is connected to a
different power source with a new power
cable, the power supply is probably
faulty. Contact a service representative.
Contact a service representative.
Cisco 7301 Installation and Configuration Guide
5-5
Advertisement
Chapters
Table of Contents
Troubleshooting
