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November 28th, 1995
6.4. 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 error codes 4-00, 01, 02,
and 10 only appear in the error code display and on the service report.
Code
Meaning
0-00
DIS/NSF not detected
within 40 s of Start being
pressed
0-01
DCN received
unexpectedly
0-03
Incompatible modem at
the other end
0-04
CFR or FTT not received
after modem training
0-05
Unsuccessful after
modem training at 2400
bps
0-06
The other terminal did
not reply to DCS
Suggested Cause/Action
Check the line connection.
Check the NCU - FDU connectors.
The machine at the other end may be incompatible.
Replace the NCU or FCE.
Check for DIS/NSF with an oscilloscope.
If the rx signal is weak, there may be a bad line.
The other party is out of paper or has a jammed
printer.
The other party pressed Stop during communication.
The other terminal is incompatible.
Check the line connection.
Check the NCU - FDU connectors.
Try changing the tx level and/or cable equalizer
settings.
Replace the FCE or NCU.
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), RAM 807FB7
(PABX)
Cable equalizer - G3 Switch 07
Dedicated Tx parameters - Section 4-4
Check the line connection.
Check the NCU - FDU connectors.
Try adjusting the tx level and/or cable equalizer.
Replace the FCE or NCU.
Check for line problems.
Cross reference
See error code 0-04.
Check the line connection.
Check the FDU - NCU connectors.
Try adjusting the tx level and/or cable equalizer
settings.
Replace the NCU or FCE.
The other end may be defective or incompatible; try
sending to another machine.
Check for line problems.
Cross reference
See error code 0-04.
6-15
TROUBLESHOOTING
ERROR CODES
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