81
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 electrical power cord is not plugged in.
Correctly.connect.the.power.cord .
15
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,.
then.turn.the.power.on.again .
15,.18
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 .
71
Neither.sounds
nor.pictures.are
outputted .
The signal cables are not correctly connected.
Correctly.connect.the.connection.cables .
10.
~
.14
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 .
20,.22
The BLANK function for pictures and the MUTE
function for sounds are working.
AV.MUTE.may.be.active ..
Refer.to.the.item.“Sound.does.not.come.out”.and.“No.
pictures.are.displayed”.on.the.next.page.to.turn.off.the.
MUTE.and.BLANK.functions .
20,.27,.
57
(continued.on.next.page)
Resetting all settings
When.it.is.hard.to.correct.some.wrong.settings,.the.FACTORY.RESET.function.
of.SERVICE.item.in.OPTION.menu..(
62
)..can.reset.all.settings.(except.settings.
such.as.LANGUAGE,.LAMP.TIME,.FILTER.TIME,.FILTER.MESSAGE,.NETWORK,.
SCHEDULE,.AUTO.BLANK.and.SECURITY).to.the.factory.default ..Be
sure.to.set.ALTITUDE.after.resetting.all.the.settings(
60
) ..