14
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defect
Some kind 
of image 
degradation 
such as 
ickering or 
stripes appear 
on screen. 
Flicker may appear on screen 
Switch the lamp ON and OFF or try to switch the Lamp mode once 
from NORMAL to ECO. 
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.
The FRAME LOCK function cannot work on the current input 
signal.
Set FRAME LOCK in the INPUT menu to OFF.
The image 
is unstable 
or is output 
intermittently.
When LAN, HDBaseT port is selected, some parts of the 
output may be missing due to signal processing delay.
Change the signal or use another port.
RS-232C does 
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.
The COMMUNICATION TYPE for the CONTROL port is set to 
NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the OPTION - 
SERVICE - COMMUNICATION menu.
Network does 
not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.
The same network address is set for both wireless and wired 
LAN.
Change the network address setting for wireless or wired LAN.
Wrong settings on WIRED NETWORK
Select the correct port for LAN connection at the WIRED 
NETWORK under NETWORK menu.
The IR and RS-
232C does not 
work on  
HDBaseT
™ 
connection
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.