Samsung MultiXpress M537x series Service Manual page 309

► Error Code
S6–3128
► Error message
802.1x authentication failed. Please Contact the System Administrator.
► Symptom
Network error. ( A authenticator(eg switch) rejected authentication. / There is no response when checking the ping test.)
► Troubleshooting method
1) Change the machine's 802.1x credentials.
a) Select "Machine Setup" on the touch screen.
b) Select "Security"
c) Select "802.1x"
d) Select the proper authentication mode for your network environment.
e) Input valid credentials.
2) The System Administrator should check if Ethernet port and authentication server were configured correctly.
► Error Code
S6–3224
S6–3225
S6–3226
S6–3227
► Error message
BOOTP error in wireless LAN. Switching to Auto IP.
BOOTP error in wireless LAN. Reconfigure DHCP or static IP.
DHCP error in wireless LAN. Switching to Auto IP.
DHCP error in wireless LAN. Reconfigure BOOTP or static IP.
► Symptom
BOOTP or DHCP server has a problem or IP address assignment is abnormal.
► Troubleshooting method
• Check the BOOTP or DHCP server.
• If the server is normal, check the network setting.
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4. Troubleshooting
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