Chapter 4: Diagnosing Faults; Quick Reference Fault Isolation - Nortel Meridian Meridian 1 Maintenance Manual

Chapter 4: Diagnosing faults

Quick reference fault isolation

Verify this:
Is the module powered up?
Are there any apparent hardware faults?
Is the system console operational?
Is the system start-up successful?
If appropriate, can you dial in from a remote
terminal?
Are all configured terminals operational?
Are all configured printers operational?
Meridian Link Release 5C/CCR Release 3C Diagnostic and Maintenance Guide
The procedures in this chapter enable you to locate the source of a problem
with your Application Module or IPE Module or related devices. To use
the procedures, start with the following ÒQuick reference fault isolationÓ
checklist. Go through each question in turn, and if you answer no to one
question, proceed to the diagnostic procedure recommended.
Follow the diagnostic procedures step by step, until the problem is
diagnosed and fixed. In some cases, you are referred to specific recovery or
replacement procedures, which are described in Chapter 8,
ÒRecovery/replacement procedures.Ó If a problem persists, contact your
Nortel support personnel.
If not, go to diagnostic procedure:
1: Power fault suspected (Application
Module) or 2: Power fault suspected
(IPE Module)
3 and 4: Card fault suspected
5: System console fault suspected
6: System start-up problem
7: Dial-up problem
8: Application terminal problem
9: Printer faults
157