278 6 Troubleshooting
021-409 An error occurred in the machine.
Switch off the machine power, make sure that the display is blank, and then switch on the machine
power. If the error still is not resolved, contact our Customer Support Center.
021-410
021-411
A communication error occurred while connecting (acquiring the EP certificate) to CA via the Internet.
Check the followings:
• LAN cable connection
• DNS server address setting
• The default gateway setting
• The subnet mask setting
• EP proxy server setting (For BB-Direct configuration)
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.
021-412 An error occurred while connecting to the EP system via the Internet. There is a problem with the
address of the EP proxy server name.
Check the followings:
• The LAN cable connection
• The DNS server address settings
• The default gateway setting
• The subnet mask setting
• The EP proxy server URL setting
If the error still is not resolved after checking the above settings, there may be a network failure. Consult
your system administrator.
If the network works normally but the error still is not resolved, contact our Customer Support Center.
021-413
021-416
An error occurred while connecting to the EP system via the Internet.
Check the followings:
• The LAN cable connection
• The DNS server address settings
• The default gateway setting
• The subnet mask setting
If the error still is not resolved after checking the above settings, there may be a network failure. Consult
your system administrator.
If the network works normally but the error still is not resolved, contact our Customer Support Center.
021-414 An error occurred while connecting to the EP system via the Internet.
Check the followings:
• The LAN cable connection
• The DNS server address settings
• The default gateway setting
• The subnet mask setting
• The EP proxy server setting
If the error still is not resolved after checking the above settings, there may be a network failure. Consult
your system administrator.
If the network works normally but the error still is not resolved, contact our Customer Support Center.
021-415 An error occurred while the SSL/TLS communication to the EP system via the Internet.
Check the followings:
• The LAN cable connection
• The DNS server address settings
• The default gateway setting
• The subnet mask setting
• The EP proxy server setting
If the error still is not resolved after checking the above settings, there may be a network failure. Consult
your system administrator.
If the network works normally but the error still is not resolved, contact our Customer Support Center.
021-417 Failed to authorize the proxy server while connecting to the EP system via the Internet.
Check the followings:
• The EP proxy server URL setting
• The login user of the EP proxy server
• .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.
Error Code Cause/Remedy
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