15 Problem Solving
528
Problem Solving
15
021-504
[Cause] An error occurred while connecting to the EP system via the Internet.
[Remedy] Check the followings:
z
LAN cable connection
z
DNS server address setting
z
The default gateway setting
z
The subnet mask setting
If the error still is not resolved after checking the above settings, there may be a network
failure or the proxy server settings may be changed or failed. Consult your system
administrator.
If the network works normally but the error still is not resolved, contact our Customer
Support Center.
021-505
[Cause] The SSL/TLS communication with the EP server failed.
[Remedy] Switch off the machine power, make sure that the touch screen is blank, and then switch
on the machine power. If the error still is not resolved, contact our Customer Support
Center.
021-506
[Cause] The SSL Certificate for the EP server is incorrect.
[Remedy] Switch off the machine power, make sure that the touch screen is blank, and then switch
on the machine power. Execute the operation again. If the error still is not resolved,
contact our Customer Support Center.
021-507
[Cause] An error occurred while connecting to the EP system via the Internet.
[Remedy] Check the followings:
z
The login user of the EP proxy server
z
The password of the EP proxy server
If the error still is not resolved after checking the above settings, there may be a network
failure or the proxy server settings may be changed or failed. Consult your system
administrator.
If the network works normally but the error still is not resolved, contact our Customer
Support Center.
021-508
[Cause] An error occurred while connecting to the EP system via the Internet.
[Remedy] Check the followings:
z
LAN cable connection
z
DNS server address setting
z
The default gateway setting
z
The subnet mask setting
If the error still is not resolved after checking the above settings, there may be a network
failure or the proxy server settings may be changed or failed. Consult your system
administrator.
If the network works normally but the error still is not resolved, contact our Customer
Support Center.
021-509
[Cause] An error occurred while communicating with the EP server.
[Remedy] Switch off the machine power, make sure that the touch screen is blank, and then switch
on the machine power. If the error still is not resolved, contact our Customer Support
Center.
021-510
[Cause] An error occurred while connecting to EP system via the Internet.
[Remedy] Switch off the machine power, make sure that the touch screen is blank, and then switch
on the machine power. Execute the operation again. If the error still is not resolved,
contact our Customer Support Center.
Error Code Cause and Remedy
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