System Maintenance - NEC Univerge SV8100 System Maintenance Manual

Issue 1.0
No LED or Display Indications on any Multiline Terminal
Terminate one Multiline Terminal to
controlling chassis, 1st CD-8DLCA
(Programming Station) directly to MDF
and test.
Yes
Check
Station
Cabling.
Reset CD-8DLCA. If trouble
persists, replace CD-8DLCA.
Indications?
None
1. If problem not solved, perform First Initialization
and test. If trouble persists go to step 2.
2. Replace CD-CP00-US and test system using
default program.
2 - 6
A2
Are LEDs on front of
chassis panel lit on
CD-CP00-US or any
other blade?
Yes
Turn system Off. Disconnect
connectors; remove all blades
except CD-CP00-US and first
No
Terminal installed CD-8DLCA in
Indications? controlling chassis, associated
with the programming station.
No Indication
Correct
No
Correct AC Power
Problem.
Replace
Fuse(s).
Terminal
Installed
Indication?
Done.
Correct
Indication
Rebuild System one blade at
a time. If problem reappears
replace defective blade(s).
Build system
one blade at a
time and
replace bad
blade(s).
UNIVERGE SV8100
Check AC Input
Power.
Bad
AC Power?
Good
Bad
MPS7101
Fuses F1 and
F2 good?
Good
Replace Corresponding
Power Supply.
Yes
Problem
Solved?
No
Remove all blades but
one CD-8DLCA, and retest.
Yes
Problem
Solved?
No
Replace chassis.

System Maintenance