Fax error log codes
Error code Description Action
000 No error occurred during a fax
transmission.
No action is needed.
200 An error occurred when transmitting
training.
• Check the line quality.
• Select a lower Max Speed value
under the Fax Send settings.
• Adjust the transmit level.
3XX An error occurred when receiving an
image data.
• Check the line quality.
• Adjust the Receive Threshold.
• Select a lower Max Speed value
unde the r Fax Receive settings.
4XX An error occurred when sending an image
data.
• Check the line quality.
• Adjust the Transmit Level.
• Select a lower Max Speed value
under the Fax Receive settings.
5XX An unknown response is received from a
remote fax device.
No action is needed. The issue is with
the other device.
6XX An error occurred when receiving a frame.
• Check the line quality.
• Adjust the Receive Threshold.
7XX An error occurred when sending a frame.
• Check the line quality.
• Adjust the Transmit Level.
• Select a lower Max Speed value
under the Fax Send settings.
800 An EOT was unexpectedly received from
the modem in V34 mode.
If the error persists, then disable the V34
modulation scheme.
802 Too many time‑outs occurred during ECM
reception.
If the error persists, then disable the
ECM mode.
803 Fax cancelled by the user. No action is needed.
804 Unexpectedly received a disconnect
command from the remote end.
• Check the line quality.
• Adjust the Transmit Level or Receive
Threshold setting.
• The remote device could be
requesting an unsupported feature.
805 The remote fax device failed to respond to
the DCS command.
• Adjust the Transmit Level or Receive
Threshold setting.
• The remote device could be
malfunctioning.
808 T1 timeout occurred when trying to
establish a connection with a remote fax
device.
Adjust the Transmit Level or Receive
Threshold setting.
7018
Diagnostics and troubleshooting
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