3.Troubleshooting
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3. Troubleshooting
Error Codes
If an error code occurs, retry the communication. If the same problem occurs, try to fix the problem as suggested
below. Note that some error codes appear only in the error code display and on the service report.
Code Meaning Suggested Cause/Action
0-00 DIS/NSF not detected within 40 s of Start
being pressed
• Check the line connection.
• The machine at the other end may be incompatible.
• Replace the FCU.
• Check for DIS/NSF with an oscilloscope.
• If the rx signal is weak, there may be a bad line.
0-01 DCN received unexpectedly
• The other party is out of paper or has a jammed
printer.
• The other party pressed Stop during communication.
0-03 Incompatible modem at the other end The other terminal is incompatible.
0-04 CFR or FTT not received after modem
training
• Check the line connection.
• Try changing the tx level and/or cable equalizer
settings.
• Replace the FCU.
• The other terminal may be faulty; try sending to
another machine.
• If the rx signal is weak or defective, there may be a
bad line.
Cross reference
• Tx level - NCU Parameter 01 (PSTN)
• Cable equalizer - G3 Switch 07 (PSTN)
• Dedicated Tx parameters in Service Program Mode
0-05 Modem training fails even G3 shifts
down to 2400 bps.
• Check the line connection.
• Try adjusting the tx level and/or cable equalizer.
• Replace the FCU.
• Check for line problems.
Cross reference
• See error code 0-04.
0-06 The other terminal did not reply to DCS
• Check the line connection.
• Try adjusting the tx level and/or cable equalizer
settings.
• Replace the FCU.
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