3.Troubleshooting
27
Code Meaning Suggested Cause/Action
after sending CI.
• ANSam was too short to detect.
• Check the line connection and condition.
• Try making a call to another V.8/V.34 fax.
0-75 The called terminal fell back to T.30
mode, because it could not detect a CM
in response to ANSam (ANSam timeout).
• The terminal could not detect ANSam.
• Check the line connection and condition.
• Try receiving a call from another V.8/V.34 fax.
0-76 The calling terminal fell back to T.30
mode, because it could not detect a JM in
response to CM
(CM timeout).
• The called terminal could not detect a CM due to
noise, etc.
• Check the line connection and condition.
• Try making a call to another V.8/V.34 fax.
0-77 The called terminal fell back to T.30
mode, because it could not detect a CJ in
response to JM
(JM timeout).
• The calling terminal could not detect a JM due to
noise, etc.
• A network that has narrow bandwidth cannot pass JM
to the other end.
• Check the line connection and condition.
• Try receiving a call from another V.8/V.34 fax.
0-79 The called terminal detected CI while
waiting for a V.21 signal.
• Check for line noise or other line problems.
• If this error occurs, the called terminal falls back to
T.30 mode.
0-80 The line was disconnected due to a
timeout in V.34 phase 2 – line probing.
• The guard timer expired while starting these phases.
Serious noise, narrow bandwidth, or low signal level
can cause these errors.
If these errors happen at the transmitting terminal:
• Try making a call at a later time.
• Try using V.17 or a slower modem using dedicated tx
parameters.
• Try increasing the tx level.
• Try adjusting the tx cable equalizer setting.
If these errors happen at the receiving terminal:
• Try adjusting the rx cable equalizer setting.
• Try increasing the tx level.
• Try using V.17 or a slower modem if the same error is
frequent when receiving from multiple senders.
0-81 The line was disconnected due to a
timeout in V.34 phase 3 – equalizer
training.
0-82 The line was disconnected due to a
timeout in the V.34 phase 4 – control
channel start-up.
0-83 The line was disconnected due to a
timeout in the V.34 control channel
restart sequence.
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
• The signal did not stop within 10 s.
• Turn off the machine, then turn it back on.
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