Chapter 8 Troubleshooting

Problem Solving Using a Subsystems Approach

Faulty power supply.

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 unit is probably faulty. Contact a service representative.

Table 8-4

Power Supply LEDs

 

 

 

 

 

 

 

LED Label

 

Color

State

Function

 

 

 

 

 

IN

 

Green

On

The input voltage is in the required range.

 

 

 

 

 

 

 

 

Off

The input voltage is not in the required

 

 

 

 

range.

 

 

 

 

 

OK

 

Green

On

The output voltage is in the required range

 

 

 

 

(between 11.9 and 12.1 VDC).

 

 

 

 

 

 

 

 

Off

The output voltage is not within the

 

 

 

 

required range (is greater than 12.1 VDC or

 

 

 

 

less than 11.9 VDC).

 

 

 

 

Power A/B (front panel)

Green

Steady

Corresponding power supply unit is present

 

 

 

 

and functioning normally.

 

 

 

 

 

 

 

Red

Steady

Corresponding power supply unit present,

 

 

 

 

but malfunctioning.

 

 

 

 

 

 

 

 

Off

Corresponding power supply unit is either

 

 

 

 

not present or has failed.

 

 

 

 

 

Troubleshooting the Firmware Package Installation

Check the following to help isolate a problem in the installation of the firmware package. Problems related to the installation of the firmware package could be any of the following:

File not found in the expected location

Wrong file type.

Device to which the file is to be extracted is full.

Table 8-5 Troubleshooting the Firmware Package Installation

Diagnostic Action

Enter the CLI command:

configure

Boot system <filename>

Cisco SCE 2000 4/8xFE Installation and Configuration Guide

8-10

OL-7826-05

 

 

 

 

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Cisco Systems SCE 2000 4/8xFE manual Troubleshooting the Firmware Package Installation, LED Label Color State Function