2L6/2N6/2N5/2N4
1-4-305
2202 Connection to the SMTP/POP3 server 
has failed.
(Timeout)
1. Confirm device's network parameters.
2. Confirm the network parameters the device is con-
nected.
2204 The size of scanning exceeded its limit. 1. Confirm device's network parameters.
3101 SMTP/POP3 server responded with an 
error.
1. Confirm device's network parameters.
2. Confirm the network parameters the device is con-
nected.
3. Check the SMTP/POP3 server.
3102 Error: Server Response. 1. Check the SMTP/POP3 server.
2. Wait a minute and trye again.
3201 No SMTP authentication is found. 1. Check the SMTP server.
The device supports SMTP authentication services 
including CRAM-MD5, DIGEST-MD5, PLAIN and 
LOGIN.
4803
Failed to establish the SSL session. 1. Verify the self certificate of the device.
2. Check the server certificate of the SMTP/POP3 
server.
3. Check the SMTP/POP3 configuration of the device 
and the SMTP/POP3 server.
Code Contents Check procedures/corrective measures