Code
Meaning
Suggested Cause/Action
0-16
CFR or FTT not detected after
1. Check line connection.
modem training in confidential or
2. Check connectors from FCU to modem and NCU.
transfer mode (G3 mode)
3. Replace the NCU, FCU, or modem.
4. Try adjusting the tx level (use bit switch 3, or a dedicated tx
parameter for that address).
5. The other end may have disconnected, or it may be
defective.
6. If the rx signal level is too low, there may be a line problem.
0-20
Facsimile data not received within
1. Check line connection.
6 s of retraining (G3 mode)
2. Check connectors from FCU to modem and NCU.
3. Replace the NCU, FCU, or modem.
4. Check for line problems.
0-21
End-of-line signal (EOL) from the
1. Check line connection.
other end not received at the cor-
2. Check connectors from FCU to modem and NCU.
rect time (G3 mode) 3. Replace the NCU, FCU, or modem.
4. Remote machine may be defective or may have discon-
nected.
5. Check for line problems.
0-22
Signal from other end was inter-
1. Check line connection.
rupted for more than 0.2 s (G3
2. Check connectors from FCU to modem and NCU.
mode) 3. Replace the NCU, FCU, or modem.
4. Defective remote terminal.
5. Check for line problems.
5-17
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