Mitsumi electronic WD3300U Projector User Manual


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EN-45
Troubleshooting
Before asking for repair of the projector, check the following. If the symptom persists, stop using the projector, be
sure to unplug the power plug, and then contact your dealer.
No image appears on the screen.
Problem Solution
Power can not be
turned on.
• Checkwhethertheindicatorsareonoroffandhowtheyarelightning.
POWER STATUS Solution
Off Off
• Connectthepowercordtotheprojector.
• Plugthepowercordintoawalloutlet.
• Turnonthemainpowerswich.
• Attachthelampcover.
Steady red
Off
• Ifanyobjectsareblockingtheairinletoroutletgrille,removethemandcarryout
the following.
Turn off the main power swich.1.
Make sure that the projector has cooled off. 2.
Turn on the main power swich.3.
Press the POWER button.4.
Blinking
orange
• Ifanyobjectsareblockingtheairinletoroutletgrille,removethem.
• Don’texposetheairoutletgrillestohotairemittedfromaheatingappliance.
Blinking
green
• AftertheSTATUSindicatorstopsblinking,pressthePOWERbutton.
• Ifthemainpowerswitchisturnedoffwhilethefanisrotating,thelampmaynotturnon
about 2 minutes when the main power switch is turned on next time.
• Thelampcan’tturnonagainfor2minutesafteritgoesout.
• PressthePOWERbuttonseveraltimes.
Steady red
• Replacethelamp.(Thelampisattheendofitslife.)
Blinking
red/green
Steady
or
Blinking
• Unplugthepowercordfromthewalloutletandcontactyourdealer.
No image appears on
the screen.
• CanceltheAVmutebypressingtheAVMUTEbutton.
• Checkthatthelenscapisremoved.
• Itmaytakeabout1minuteforthelamptolightup.
• Thelampfailstolightuponrareoccasions.Insuchacase,waitforafewminutes
and then try again.
• Iftheprojectorwasturnedoffbeforethelampwascooleddownsufcientlylasttime,
the fan may start rotating and the POWER button may not work after the main power
switch is turned on. After the fan stops rotating, press the POWER button to turn back
on the POWER indicator.
• SetSCARTINPUTintheQUICKMENUorFEATUREmenutoOFF.(Seepages27and
31.)
• Checkthattheintakeventisclean.
• Checkthatthecablesconnectedtotheexternaldevicesarenotbroken.
• Whenanextensioncableisbeingused,replaceitwiththesuppliedcableforcheck.
When images are displayed correctly, add an RGB signal amplifier to the extension
cable.
Power turns off. • Thisproblemmayoccurwhentheintakeventand/orexhaustventsareblocked.(In
such a case, the STATUS indicator brinks orange.)
Remove the objects blocking the intake vent and/or exhaust vents and then carry
out the following procedure.
1. Wait for the intake fan and/or exhaust fan to stop. (Wait until the STATUS indicator
goes out.)
2. Turn off the main power switch.
3. Wait about 10 minutes.
4. Turn on the main power switch.
5. Press the POWER button.
• WhentheSTATUSindicatorissteadyred,itisindicatingthatthelampshouldbe
replaced. Replace the lamp in this case.
• CheckthatAUTOPOWEROFFhasbeensettoOFF.
• Ifthelamphasdeteriorated,itmaygooutafterawhileitilluminates.
The screen for
entering the password
appears.
• PASSWORDFUNCTIONintheFEATUREmenuhasbeensettoDISPLAYINPUT to
enable the password lock.
Enter the password or contact the person in charge of management of the
projector. (See page 38.)
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