Panasonic UF-490 Service Manual page 79

4.3.10. Information Codes: 030, 031 (Document Jam)
4.3.11. Information Code: 630 (Dialing Error)
START
Is there a dial tone when
MONITOR button is
pressed?
Yes
Is the remote machine busy?
Yes
Press the REDIAL button to
retry connection.
END
START
Is the document path blocked?
No
Does the Motor rotate?
Yes
Does the document feed into
the unit?
Yes
Does the voltage on A-Point
and B-Point Sensor PNL PCB,
A-Point: JP3 (PNL) pin 2
B-Point: CN51 (PNL) pin11
<--> CN5 (SC) pin11
vary between 0 and +5 V
when a document is set and
removed?
Yes
END
No
1. Connect the telephone
2. Check the telephone line.
No
Can the unit dial the
reference unit?
1. The remote machine is
2. Telephone line quality is
Yes
Remove the blockage.
No
1. Replace the Motor.
2. Replace the SC PCB.
No
Check all gears and rollers.
No
Replace the PNL PCB.
line correctly.
Yes
defective.
poor.
(Refer to Sect. 4.6.)
79
No
1. Check all connectors.
2. Replace the SC PCB.
END