Error Codes
D649 26 SM
Code Meaning Suggested Cause/Action
0-84
The line was disconnected
due to abnormal signaling
in V.34 phase 4 – control
channel start-up.
 The signal did not stop within 10 s.
 Turn off the machine, then turn it back on.
 If the same error is frequent, replace the FCU.
0-85
The line was disconnected
due to abnormal signaling
in V.34 control channel
restart.
 The signal did not stop within 10 s.
 Turn off the machine, then turn it back on.
 If the same error is frequent, replace the FCU.
0-86
The line was disconnected
because the other terminal
requested a data rate
using MPh that was not
available in the currently
selected symbol rate.
 The other terminal was incompatible.
 Ask the other party to contact the
manufacturer.
0-87
The control channel started
after an unsuccessful
primary channel.
 The receiving terminal restarted the control
channel because data reception in the primary
channel was not successful.
 This does not result in an error
communication.
0-88
The line was disconnected
because PPR was
transmitted/received 9
(default) times within the
same ECM frame.
 Try using a lower data rate at the start.
 Try adjusting the cable equalizer setting.
2-11
Only one V.21 connection
flag was received
 Replace the FCU.
2-12 Modem clock irregularity  Replace the FCU.
2-13 Modem initialization error
 Turn off the machine, then turn it back on.
 Update the modem ROM.
 Replace the FCU.