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9. Appendix
Common Problems & Solutions
(“Power/Status/LampIndicator”onpage228.)
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, 17)
• Ensurethatthelampcoverisinstalledcorrectly.( page 187)
• 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 138)
• 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 129)
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],[AUTOPOWEROFF]or[PROGRAMTIMER]isoff.( page 121, 132, 159)
No picture
• Checkiftheappropriateinputisselected.( page 20) If there is still no picture, press the SOURCE button or one
of the input buttons again�
• Ensureyourcablesareconnectedproperly.
• Usemenustoadjustthebrightnessandcontrast.( page 111)
• Ensurethatthelenscoverisopen.( page 16)
• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.( page 138)
• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.( page 45)
• IftheHDMIinputortheDisplayPortsignalcannotbedisplayed,trythefollowing.
- Reinstall your driver for the graphics card built in your computer, or use the updated driver
For reinstalling or updating your driver, refer to the user guide accompanied with your computer or graphics
card, or contact the support center for your computer manufacturer
Install the updated driver or OS on your own responsibility�
We are not liable for any trouble and failure caused by this installation�
• 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page232
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 129)
Color tone or hue is
unusual
• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.( page 119)
• Adjust[HUE]in[PICTURE].( page 111)
Image isn’t square to
the screen
• Repositiontheprojectortoimproveitsangletothescreen.( page 21)
• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.( page 28)
Picture is blurred
• Adjustthefocus.( page 26)
• Repositiontheprojectortoimproveitsangletothescreen.( page 21)
• Ensure that the distance between the projector and screen is within the adjustment range of the lens.
( page 215)
• Hasthelensbeenshiftedbyanamountexceedingtheguaranteedrange?( page 218)
• Isthelensinserteduntilitcomestoacompletestop?( page 163)
• 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 129)
244


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