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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
The electrical power cord is not plugged in.
Correctly connect the power cord.
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the power outlet,
and allow the projector to cool down at least 10 minutes,
Power does not
then turn the power on again.
come on.
Either there is no lamp and/or lamp cover, or either
of these has not been properly fixed.
Please turn the power off and disconnect the power plug from
the power outlet, and allow the projector to cool down at least
45 minutes. After the projector has sufficiently cooled down,
please make confirmation of the attachment state of the lamp
and lamp cover, and then turn the power on again.
The signal cables are not correctly connected.
Correctly connect the connection cables.
Signal source does not correctly work.
Neither sounds
nor pictures are
Correctly set up the signal source device by referring to the
outputted.
manual of the source device.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
The signal cables are not correctly connected.
Correctly connect the audio cables.
The MUTE function is working.
Restore the sound pressing the MUTE or VOLUME button
on the remote control.
Sound does not
come out.
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
The AUDIO setting is not correct.
Correctly set the AUDIO in the SETUP menu.
The lens cover is attached.
Remove the lens cover.
No pictures are
displayed.
The signal cables are not correctly connected.
Correctly connect the connection cables.
(continued on next page)
Cases not involving a machine defect
Reference
page
0
10, 13
48
8
–
14, 15
8
4
4
3
3
8
55
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