Nortel Networks NN44200-700 1002rp server, External LEDs, Trouble symptom, Action, Description

28Chapter 3 Hardware troubleshooting

Trouble symptom Action

The system detects the MPB96 board only partially, and Configuration Wizard does not run.

The system detects the MPB96 board, but does not load correctly the DSP information at startup.

The MPB96 board is configured incorrectly from the clocking point of view.

Contact your Nortel support representative for assistance.

The cache.bin file in the D:\nortel\hardware\dsp\c52\ folder is corrupted.

Rerun the Configuration Wizard to reflash the DSPs.

1002rp server

The LEDs indicate the state of your server and can help you troubleshoot startup problems. The following tables provide useful information on the external and internal LEDs.

External LEDs

Description	Information
Fan fault	Two LEDs at the front of the server indicating the status of the fans
Disk activity	Six LEDs at the front of the server indicating the status of the disk
	drives
Pwr spply	Indicates the status of the power supply
Fan	Indicates that the fan functions normally
Power on	Indicates that the server is on
Over temp	The temperature inside the server is above the safety threshold.
	This LED indicates that both fans are faulty.

Fault

MPB96 DS30 link LEDs (three green LEDs located on the card bracket and visible from the back of the server)

Comes on when the Pwr spply, Over temp or Fan fault LED come on.

When these LEDs are on, all three DS30 connections are working properly and the cables are connected correctly. If one or more LEDs is off, one of the following conditions is present:

•One or more connections to the switch is interrupted. Check each of the three branches of the DS30 cable for faults, or replace the cable.

•An MGate card in the switch is defective.

Nortel CallPilot

Troubleshooting Reference Guide

NN44200-700 01.05 Standard

5.026 June 2007

Copyright © 2007, Nortel Networks