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9. Appendix
Common Problems & Solutions
(“Power/Status/LampIndicator”onpage192.)
Problem Check These Items
Does not turn on
or shut down
• Checkthatthepowercordispluggedinandthatthepowerbuttonontheprojectorcabinetortheremotecontrol
is on� ( pages 13, 14)
• Ensurethatthelampcoverisinstalledcorrectly.( page 149)
• Checktoseeiftheprojectorhasoverheated.Ifthereisinsufcientventilationaroundtheprojectororiftheroom
where you are presenting is particularly warm, move the projector to a cooler location�
• Checktoseeifyoucontinuetousetheprojectorforanother100hoursafterthelamphasreachedtheendofits
life� If so, replace the lamp� After replacing the lamp, reset the lamp hours used� ( page 104)
• Thelampmayfailtolight.Waitafullminuteandthenturnonthepoweragain.
• Set[FANMODE]to[HIGHALTITUDE]whenusingtheprojectorataltitudesapproximately5500feet/1600meters
or higherUsing the projector at altitudes approximately 5500 feet/1600 meters or higher without setting to [HIGH
ALTITUDE] can cause the projector to overheat and the projector could shut down� If this happens, wait a couple
minutes and turn on the projector� ( page 97)
If you turn on the projector immediately after the lamp is turned off, the fans run without displaying an image for
some time and then the projector will display the image� Wait for a moment�
Will turn off • Ensurethatthe[OFFTIMER]or[AUTOPOWEROFF]isoff.( page 93, 100)
No picture
• UsetheCOMPUTER1,theCOMPUTER2,theVIDEOortheS-VIDEObuttonontheremotecontroltoselectyour
source (Computer, Video or S-Video)� ( page 16) If there is still no picture, press the button again�
• Ensureyourcablesareconnectedproperly.
• Usemenustoadjustthebrightnessandcontrast.( page 85)
• Ensurethatthelenscoverisopen.( page 5)
• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.( page 104)
• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.( page 30)
• BesuretoconnecttheprojectorandnotebookPCwhiletheprojectorisinstandbymodeandbeforeturningon
the power to the notebook PC�
In most cases the output signal from the notebook PC is not turned on unless connected to the projector before
being powered up�
* If the screen goes blank while using your remote control, it may be the result of the computer’s screen-saver
or power management software�
• Seealsothenext page
Picture suddenly
becomes dark
• CheckiftheprojectorisintheForcedECOmodebecauseoftoohighambienttemperature.Ifthisisthecase,
lower the internal temperature of the projector by selecting [HIGH] for [FAN MODE]� ( page 97)
Color tone or hue is
unusual
• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.( page 92)
• Adjust[HUE]in[PICTURE].( page 85)
Image isn’t square to
the screen
• Repositiontheprojectortoimproveitsangletothescreen.( page 17)
• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.( page 22)
Picture is blurred
• Adjustthefocus.( page 19)
• Repositiontheprojectortoimproveitsangletothescreen.( page 17)
• Ensure that the distance between the projector and screen is within the adjustment range of the lens.
( page 130)
• Condensationmayformonthelensiftheprojectoriscold,broughtintoawarmplaceandisthenturnedon.
Should this happen, let the projector stand until there is no condensation on the lens�
Flicker appears on
screen
• Set[FANMODE]tootherthan[HIGHALTITUDE]modewhenusingtheprojectorataltitudesapproximately5500
feet/1600 meters or lowerUsing the projector at altitudes less than approximately 5500 feet/1600 meters and
setting to [HIGH ALTITUDE] can cause the lamp to overcool, causing the image to flicker� Switch [FAN MODE] to
[AUTO]� ( page 97)
Image is scrolling
vertically, horizontally
or both
• Checkthecomputer’sresolutionandfrequency.Makesurethattheresolutionyouaretryingtodisplayissupported
by the projector� ( page 199)
• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].( page 87)
Remote control does
not work
• Installnewbatteries.( page 9)
• Makesuretherearenoobstaclesbetweenyouandtheprojector.
• Standwithin22feet(7m)oftheprojector.( page 9)
Indicator is lit or
blinking
• SeethePOWER/STATUS/LAMPIndicator.( page 192)
Cross color in RGB
mode
• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.( page 24)
• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.( page 86)
Formoreinformationcontactyourdealer.
211


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