Nortel 1000E Maintenance Manual page 77

Condition
CD-ROM drive not
reading disk
(CP PII only)
CD-ROM drive not
operating
(CP PII only)
Fan LED or
temperature LED is
red
The power LED is
red
Note: When in shutdown mode, the power supply continues to power the LEDs on the alarm/fan
module that indicate a power supply failure.
Copyright © 2007, Nortel Networks
.
Possible cause
CD-ROM is damaged
Defective CD-ROM drive
High room temperature
Defective alarm/fan
module
Power supply air filter is
obstructed
Power fault or defective
power supply module
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 01.02 Standard
Release 5.0 20 June 2007
Clearing Core Call Server faults 77
Action
If you have another CD, insert it into a known
operational Drive Carrier card, and load the
Software Installation Tool from the correct Install
Program diskette.
In the Software Installation Tool, go to the Tools
Menu and select
<j> -To check the customer-specific
part of the CD-ROM
If the test suceedsl, it is unlikely the CD is
damaged.
However, if the test indicates a failure to read all
files on the CD, the CD is damaged and must
be replaced.
Remove the CD from the CD-ROM drive, place
it in the CD-ROM drive of the other Call Server,
and test operation.
If the CD is operational, replace the Drive
Carrier card that contains the faulty CD-ROM
drive.
Adjust room temperature as necessary. Allow
the system to cool for a few minutes and then
reset the system.
Verify that the fans in the alarm fan/module are
operational.
Unseat and reinstall alarm/fan module. If the
fault continues, replace the alarm/fan module.
Check filter to ensure it is clean. If the filter
is dirty or damaged, clean or replace the filter
as described in Procedure 25 "Cleaning and
replacing the power supply air filter" (page
Turn off the power switch at the rear of the Call
Server and remove the power cord. Loosen
the locking screw at the front of the module.
Unseat and reseat the module firmly. Tighten
the locking screw and replace the power cord.
Turn on the power switch and observe if failure
has cleared.
If the fault continues, replace the power supply
module.
133).