16
CP-X2511N(C15I-25N2) / CP-X3011N(C15I-30N2) / CP-X4011N(C15I-40N2) / CP-X2011N(C15-20N2) / ED-X45N(C15-20N2)
NO
Does the Lamp 
on lower right of the 
Network connector light 
in green? 
 
 
 
Can’t communicate with computer
via NETWORK terminal. 
Check at operating mode
Make sure NETWORK
hardware
Set IP address and Subnet 
Mask in the 
NETWORK-SETUP menu with
manual operation.
 
Is IP Address in
the Network > Information menu
set to “0.0.0.0” after waiting
more than 1 minute?
YES
YES
NO
Are 
both  IP Address 
and  Subnet mask in the
Network > Information menu set to
"0.0.0.0" after waiting more than
1 minute?
PWB assembly MAIN
Use new LAN cable
YES
Set IP address and Subnet Mask
in the Advanced Menu > Network
> SETUP menu with manual operation.
Is 
the  DHCP  in the
Advanced Menu > Network
> Setup > DHCP is on?
NO 
Is the computer 
connected with the 
projector directly?
If 
Subnet Mask is
 "255.255.255.0", are 
"xxx.yyy.zzz" portion of IP address
  setting of computer and 
projector 
same? 
   
PWB assembly MAIN
YES
Is there
DHCP server on
the network which the 
projector is connected
 to?
Make sure those settings 
of the projector and 
computer are correct.
PWB assembly MAIN
NO
YES
NO
YES
NO
YES
NO 
Use the same IP address 
setting except for "N" on 
computer and projector.
YES 
YES 
NO
IP address: xxx.yyy.zzz.N
NO
Are there 
any damage to the cable 
between computer and 
projector?
When 
the projector is at the 
standby mode setting 
“SAVING” ? 
Set the STANDBY MODE 
as “NORMAL” in the 
Advanced Menu > SETUP 
menu