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LWU650-APS / LWU530-APS
LWU650-APS/LWU530-APS
Service Manual 020-001522-01 Rev. 1 (11-2018)
LIT MAN SERV APS Series
5-4 Troubleshooting for other Network problems
Problem Likely Cause Things to Check
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The projector is not turned on. Is the projector’s light source on?
The projector’s input source is not
switched properly.
Is the proper input channel selected?
LAN: PC screen display via wired/wireless
LAN
Projector does not work
when the network cable
is connected.
The network packet congestion is
occurred. Check the cable connection diagram making
sure no "ring" or "loop" connection is made
in the network that the projector is connected
to.
Time is not displayed
correctly.
The time has not been congured. Set the Date and Time in the OPTION -
SCHEDULE menu of the projector.
The projector displays "2015/1/1
0:00" as the Date and Time in the
Network Info after the AC power is
cut off because the projector has no
battery for the internal clock.
Set the Date and Time in the OPTION -
SCHEDULE menu of the projector every
time the projector is turned on.
The time is not adjusted by the
Daylight Saving Time correctly.
Congure the Daylight Saving Time in the
Date/Time Settings with a web browser.
The projector cannot get the time
from SNTP server.
Check the projector is connected to the
network correctly.
Congure the correct SNTP server address
in the Date/Time Settings with a web
browser.
The Time Difference is not
congured correctly.
Congure the Time Difference, and then do
the Current Date and the Current Time in the
Date/Time Settings with a web browser.
Connection to the Network
The projector
that you want
to connect to is
nowhere to be
found on the
list of available
projectors.
The PC and/or projector’s network
settings are not congured correctly.
Check the network congurations of the PC
and projector.
If you change the projector’s settings, turn
off the projector’s AC power and then turn it
on again. If you simply put the projector in
STANDBY power mode and then turn it on
again, the new settings might not take effect.
Firewall software other than
Windows Firewall is installed in
your PC.
Refer to the manual for the rewall software
and take one of the following actions:
- Exclude the “LiveViewer” from blocking
item list
- Disable the rewall while using the
“LiveViewer”
Cannot
communicate
The PC and/or projector's network
settings are not congured correctly.
Check the network congurations of the PC
and projector.
An access point is used, and your
PC is connected to the access point
via wireless LAN.
Use network utilities that may come with
your PC or wireless LAN card to establish
wireless network connection. For detail, refer
to the manual of the PC or the card.
Security software is blocking
network communication.
Change the security setting to allow
"LiveViewer" to use.
The number of PC connection
exceeds the limit (max. 50). Try again after one of session is
disconnected. (nish "LiveViewer"
application)
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