Auto Dial Failure; Auto Dial Failure - Oki OF5600 Service Manual

7.1.6

Auto Dial Failure

Test other fax machines
Yes
Yes
Replace M17-x Board.
Return to section 7.1.1
Troubleshooting
Start
No
Manual dial OK?
Yes
under the same
conditions. Do they
dial automatically?
Yes
Yes
DIALING on LCD?
No
No
TELEPHONE BUSY
on LCD?
Yes
Hang up external
telephone set
Solved?
No
Replace NCU Board.
Solved?
No
Is the dial tone heard
when handset is lifted?
Yes
Check pulse dial/tone dial, dial rate, etc.
Check closed network.
(Note 1)
No (Others cannot dial
automatically either)
Each location causes
the problem?
Yes
Check the following items:
* Off-hook bypass OFF (TF No. 20)
* MF/DP (Dial parameter)
* DP rate (Dial parameter)
* DP make ratio (Dial parameter)
* Dial type (Dial parameter)
* Other dial parameters
Note: TF=Technical function
Yes
Solved?
Check the following items:
* Programmed one-touch keys
* Programmed two-digit auto dial
code
Note 1: If you do not have any other fax machine
(OKIFAX 5300/5600) for testing,
follow this route. Then, if the problem is
unsolved, return to the main route.
7 - 7
Service Manual, P/N 59278301
No
1. Check the line cable.
2. Check the exchange.
No (Only specific
locations)
No
OKIFAX 5300/5600