Epson 100" EpiqVision Ultra LS500 4000-Lumen Pixel-Shift 4K UHD 3LCD Laser Projector TV System with 100" Screen (White Projector) - Manual (Page 114)

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Event ID code Cause and solution
0022 Unstable network communication. Check the network communication status, wait a
few moments, and try connecting to the network again.
0027
0028
0029
0030
0031
0035
0434
0481
0482
0485
0484 Communication with computer was disconnected. Restart the network software.
04FE The network software quit unexpectedly. Check the network communication status,
then turn the projector off and then on again.
0479 A projector system error has occurred. Turn the projector off and then on again.
04FF
0891 Cannot find the SSID (network name). Make sure your computer and projector are
connected to your access point's current SSID.
0892 The WPA/WPA2 authentication type does not match. Make sure the wireless
network security settings are correct.
0894 Communication with unauthorized access point was disconnected. Contact your
network administrator.
0898 Failed to acquire DHCP address. Make sure the DHCP server is operating correctly.
If you are not using DHCP, turn off the
DHCP setting in the Network menus.