73
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it
according to the following table.
Phenomenon
Cases not involving a machine defect
Reference
page
Power does not
come on.
The power switch is set to "
○
". Flip the switch to "
｜
".
20
The electrical power cord is not plugged in.
Correctly connect the power cord.
19
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Disconnect the power plug from the power outlet, and
allow the projector to cool down at least 20 minutes, then
turn the power on again.
19
No pictures are
displayed.
Signal source does not correctly work.
Correctly set up the signal source device by referring to
the manual of the source device.
–
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
25
The signal cables are not correctly connected.
Correctly connect the connection cables.
13 ~ 17
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu
function.
48
The computer cannot detect the projector as a plug
and play monitor.
Make sure that the computer can detect a plug and play
monitor using another plug and play monitor.
13
The BLANK screen is displayed.
Press
AV MUTE
button on the remote control.
39
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