Using Fault Indicators To Classify A Fault - Nortel Meridian 1 Manual

Procedure 1
An example of how to use this document
1 Classify the fault—The fault indicators are listed in Table 1. They
identify a common equipment fault.
Table 1

Using fault indicators to classify a fault

Fault indicators
SYSTEM MESSAGE:
CED013
VISUAL FAULT INDICATOR:
Red LED lit on memory card
MAINTENANCE DISPLAY CODE:
Code indicating a fault displayed on CPU
interface card
USER REPORT:
Major alarm reported by attendant
2 Go to the chapter for clearing the fault and match the symptom—Go to
"Clearing common equipment faults" on page 45 and you will find
"Fault indicated on memory card" in the table of contents.
3 Go through the procedures—Check for a defective memory card. If it
is not defective, check for another defective common equipment card.
If you find the CPU interface card is defective, you can disregard the
remaining possible causes.
4 Go to "Final maintenance procedure" on page 177—Follow the
instructions in each step.
How to clear faults
Type of fault
Common equipment
Common equipment
Common equipment
Common equipment
Meridian 1 Fault clearing
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