Panasonic DX-2000 Service Manual page 145

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.)
145
No
1. Check all connectors.
2. Replace the FCB PCB.
END