Error Codes
SM 25 D432/D433
D432/D433
Fax Option
Type
C2550/C2530
Code Meaning Suggested Cause/Action
received at the other end
after all communication
attempts at 2400 bps
 Adjust the tx level (use NCU parameter 01 or
the dedicated tx parameter for that address).
 Check the line connection.
 Defective remote terminal.
6-21
V.21 flag detected during
high speed modem
communication
 The other terminal may be defective or
incompatible.
6-22
The machine resets the
sequence because of an
abnormal handshake in the
V.34 control channel
 Check for line noise.
 If the same error occurs frequently, replace the
FCU.
 Defective remote terminal.
6-99
V.21 signal not stopped
within 6 s
 Replace the FCU.
13-17
SIP user name registration
error
 Double registration of the SIP user name.
 Capacity for user-name registration in the SIP
server is not sufficient.
13-18 SIP server access error
 Incorrect initial setting for the SIP server.
 Defective SIP server.
13-24 SIP authentication error
 Registered password in the device does not
match the password in the SIP server.
13-25 Network I/F setting error
 IPV4 is not active in the active protocol setting.
 IP address of the device is not registered.
13-26
Network I/F setting error at
power on
 Active protocol setting does not match the I/F
setting for SIP server.
 IP address of the device is not registered.
13-27 IP address setting error  IP address of the device is not registered.
14-00 SMTP Send Error
 Error occurred during sending to the SMTP
server. Occurs for any error other than 14-01
to 16. For example, the mail address of the