Panasonic UF-6300 Service Manual page 93

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
No
1. Connect the telephone
line correctly.
2. Check the telephone line.
No
Can the unit dial the
reference unit?
Yes
1. The remote machine is
defective.
2. Telephone line quality is
poor.
(Refer to Sect. 4.6.)
93
No
1. Check all connectors.
2. Replace the SC PCB.
END