NEC Electra Elite 192, Hardware Manual

Page: 357 / 369

Electra Elite Issue 6
System Hardware Manual 9 - 15
Multiline Terminal Ringing Problems
Intermittent
Go to Flowchart C1.
Problem?
Consistent
Check to see if problem occurs on CO
or internal calls (including station-to-
station or transferred calls).
Problem?
Internal
CO
Both
Check Memory Block 4-12.
Check to see if station is
call forwarded or in DID.
Check and adjust
volume control, and
test again.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Problem
Solved?
Station in
Call Forward
or DID?
Cancel
feature.
Wrong
Assignment?
Program
again.
Program
again.
Done.
Done.
Check Memory Blocks
4-01 and 4-02 for ring
assignment.
Wrong
Assignment?
Problem
Solved?
Reset/replace station,
then reset or replace
ESI(8)-U10 ETU.
Reset/replace station,
then reset or replace
ESI(8)-U10 ETU.
Problem
Solved?
Send terminal
in for repair.
1. Perform Second Initialization, and test.
2. Perform First Initialization, and test.
3. Replace CPUB( )-U10 ETU, and test
using default program.
D2