Olivetti FK-507, Руководство по обслуживанию

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8. Troubleshooting Field Service Ver. 2.0 Dec. 2008
102
FK-507
T
roubleshooting
Cannot send
dial number
from 10 key
pad 1
Is the external telephone in on-
hook status?
YES Go to item 2
NO Set the handset on-hook.
2 Is the line type specified cor-
rectly? YES Go to item 3.
NO Specify the line type (MF, 10, 20 PPS)
correctly.
3
Did you enter by 10-key full dial-
ing?
YES Go to item 5.
NO Go to item 4.
4 Did you register the phone num-
ber? YES Go to item 5.
NO Register the phone number.
5 Any improvement after replacing
MFBU - FAX cable? YES Replace the MFBU - FAX cable.
NO Go to item 6.
6 Any improvement after replacing
FAXU board? YES Replace FAXU board.
NO Go to item 7.
7 Any improvement after replacing
MFBU board? YES Replace MFBU board.
NO Go to item 8.
8 Any improvement after replacing
operating panel? YES Replace operating panel.
NO Go to item 9.
9 Any improvement after replacing
the cable between operating
panel and BCRU board? YES Replace the cable between operating
panel and BCRU board.
NO Replace the machine.
Cannot moni-
tor communi-
cation 1 Is the sound volume switch OFF? YES Select a sound volume switch other
than OFF.
NO Go to item 2
2 Is S/W SW set line monitoring? YES Go to item 3.
NO Set S/W SW.
3 Any improvement after replacing
the speaker? YES Replace the speaker.
NO Go to item 4.
4 Any improvement after replacing
FAXU board? YES Replace FAXU board.
NO Go to item 5.
5 Any improvement after replacing
MFBU board? YES Replace MFBU board.
NO Go to item 6.
6 Any improvement after replacing
operating panel? YES Replace operating panel.
NO Go to item 7.
7 Any improvement after replacing
the cable between speaker and
BCRU board? YES Replace the cable between speaker
and BCRU board.
NO Replace the machine.
Symptom
Item
No.
Cause Remedy
Service Manual Y109
97
1-7