Epson EMP 1815 Operation Manual page 77

Troubleshooting
f Suddenly changes to the EasyMP screen
ERR at the bottom left of the screen: Check the numbers and make the following remedies.
ERR Number
2,50,53,245,-103 Failed to startup EasyMP.
51,52,100 Failed to process EasyMP.
-101 Communication was cut off from the access point.
-102,-105 Wireless communication is unstable.
f Cannot connect to other computers when projecting in Network Presentation
Check
Did the presenter leave the conference room without
cutting off the network connection?
Error Meaning
In Network Presentation, the connection with the computer that was previously connected can be cut off
when another computer tries to connect with the projector, and it connects with the computer that is trying to
connect.
Therefore, when a projector keyword is not set for the projector, or if you know the projector keyword, you
can cut off the current connection and, if you perform a connection operation, you can connect to the
projector.
When a projector keyword is set for the projector, if you do not know the projector keyword, cut off
projection from the projector and reconnect. To cut off connection from the projector, press the [Esc] button
on the remote control, select "Close" from the close menu and press the [Enter] button on the remote control
When it cuts off, you can connect from the target computer.
sWireless LAN Quick Connection Guide
Remedy
Turn the power for the projector off and then back on again.
When using EMP NS Connection, reconnect EMP NS
Connection.
When using a USB display, reconnect the USB cable.
Check the access point operation.
Check the situation of network traffic, and reconnect EMP NS
Connection after waiting for a while.
Remedy
77