Fault Clearing Procedures - Nortel Meridian 1 Planning, Installation And Operating Instructions

Use the following software programs to isolate attendant console faults:
• LD 31 to test sets and consoles
• LD 30 to perform signaling and continuity tests

Fault clearing procedures

Table 75 lists common attendant console fault indications. To clear faults,
select the symptom listed in this section that most resembles the fault
indications then go through the procedure for clearing each possible cause
until the fault is fixed. Once the fault is corrected, disregard the remaining
possible causes.
Clear any power or Common Equipment faults before you try to clear
attendant console faults.
If the fault is not cleared after you have gone through each possible cause,
check the most recent fault indications. Also check
page 458
After the fault is corrected, go to
to completely restore normal operation.
Table 75
Common attendant console fault indicators
Indicator
System messages
Visual indicators
User reports
Option 11C Compact
Chapter 25 — Fault locating and clearing
to see if another type of fault is indicated.
Planning, Installation, Fault Clearing and CCBR Guide
"How to clear faults" on
"Final maintenance procedure" on page 534
Possible indications
Red LED lit on associated circuit cards
Trouble with calls
Trouble with equipment (such as handset,
headset, or display)
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