NEC ElectraElite 48, System Hardware Manual

Page: 420 / 435

Electra Elite Issue 6
System Hardware Manual 10 - 15
Multiline Terminal Ringing Problems
Intermittent
Problem
Occurs?
Consistent
Go to Flowchart C1.
Check to see if problem occurs on
CO or internal calls (including
station-to-station or transferred calls).
Problem
Occurs?
Check to see if station is
call forwarded or in DID.
Check Memory Block 4-12.
Program
again.
Wrong
Assignment?
Yes
No
Yes
No
Check and adjust
volume control, and
test again.
Station in
Call Forward
or DID?
Cancel
feature.
Problem
Solved?
Problem
Solved?
Problem
Solved?
Yes
Yes
Yes
Yes
No
No
No
Done.
Reset/replace station,
ESI(8)-U( ) ETU.
Done.
Wrong
Assignment?
Program
again.
Send terminal
in for repair.
Reset/replace terminal.
Then reset/replace
ESI(8)-U( ) ETU.
1. Perform Second Initialization, and test.
2. Perform First Initialization, and test.
3. Replace B48-U10 KSU, and test
using default program.
Check Memory Blocks
4-01 and 4-02 for ring
assignment.
CO Internal
Both
No
D2