Error Codes
SM 15 D432/D433
D432/D433
Fax Option
Type
C2550/C2530
3. TROUBLESHOOTING
3.1 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)
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