Fax error log codes
Error code Description Action
000 No error occurred during fax transmission. No action is needed.
200 Error occurred when transmitting training.
• Check line quality.
• Select a lower Max Speed value
under Fax Send settings.
• Adjust the transmit level.
3XX Error occurred when receiving image data.
• Check line quality.
• Adjust Receive Threshold.
• Select a lower Max Speed value
under Fax Receive settings.
4XX Error occurred when sending image data.
• Check line quality.
• Adjust ‘Transmit Level’.
• Select a lower ‘Max Speed’ value
under Fax Receive settings.
5XX Received unknown response from remote
fax device.
No action needed. Issue is with the other
device.
6XX Error occurred when receiving a frame.
• Check line quality.
• Adjust ‘Receive Threshold’.
7XX Error occurred when sending a frame.
• Check line quality.
• Adjust ‘Transmit Level’.
• Select a lower ‘Max Speed’ value
under Fax Send settings.
800 Received EOT unexpectedly from the
modem in V34 mode.
If error persists, then disable V34
modulation scheme.
802 Too many timeouts occurred during ECM
reception.
If error persists, then disable ECM mode.
803 Fax cancelled by user No action needed.
804 Unexpectedly received a disconnect
command from the remote end.
• Check line quality.
• Adjust Transmit Level/Receive
Threshold values.
• Remote device could be requesting
an unsupported feature.
805 Remote fax device failed to respond to the
DCS command.
• Adjust Transmit Level/Receive
Threshold values.
• Remote device could be
malfunctioning.
808 T1 timeout occurred when trying to
establish a connection with a remote fax
device.
Adjust Transmit Level/Receive
Threshold values.
809 T2 Timeout occurred due to loss of
command/response synchronization.
Adjust Transmit Level/Receive
Threshold values.
7528
Diagnostic information
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