NEC nd-20292 Multiline Terminal Function Problems , No , 500 -14 , I

ND-20292
CHAPTER 5
APRIL, 1990
Multiline Terminal Function Problems
No
Reassign
Perform Terminal Self Test: End
1. Un lug terminal line cord.
P
2. Ho d Down l and # keys together while plugging in line
cord.
3. Depress each Terminal button to test tones, LED’s and button 4
contacts.
4. Return terminal on line by taking handset off hook then
return on hook.
Reset and test. Replace defective
Reset and test, Then Replace
ESI-E()
I
f
I
Send ESI-E() in for Repair
L
1.
2.
3.
4.
5.
Reset MMC-E and test. If trouble persists,
THEN
Replace MMC-E and test. If trouble persists,
THEN
Reset TSW-T and test. If trouble persists,
THEN
Replace TSW-E and test. If trouble persists,
THEN
Perform 2nd initialization and test. If
trouble persists, THEN
6. Perform 1st initialization and test. If
trouble persists, THEN
7. Replace CPU-E( )_
500 -14