Epson Z8250NL - Manual (Page 113)

Problem Solving
113
089A The EAP authentication type is not the same. Check the wireless LAN security setting to see if it is correct. Also, check if the
certificate is imported correctly. s Network Menu - Security Menu
p.77
089B EAP server authentication failed.
089C EAP client authentication failed.
089D Key exchange failed.
Event ID Cause Remedy