Operation Manual

132
8. Appendix
Common Problems & Solutions
(→“Power/Status/LampIndicator”onpage131.)
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 16, 17)
• Ensurethatthelampcoverisinstalledcorrectly.(→ page 130)
• 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 113)
• 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/1700meters
or higher� Using the projector at altitudes approximately 5500 feet/1700 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 99)
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 94, 102)
No picture
• Usetheinputselectbuttonontheremotecontroltoselectyoursource(COMPUTER,HDMI1,HDMI2,VIDEO,
USB-A, LAN, or USB-B)� (→ page 19) 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 86)
• Ensurethatthelenscapisremoved.(→ page 5,17)
• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 113)
• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 33)
• 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 be-
comes 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 99)
Color tone or hue is un-
usual
• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 93)
• Adjust[HUE]in[PICTURE].(→ page 86)
Image isn’t square to the
screen
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 20)
• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 24)
Picture is blurred
• Adjustthefocus.(→ page 23)
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 20)
• Ensure that the distance between the projector andscreen is within the adjustment range of the lens.
(→ page 114)
• 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�
Fl ic ke r ap pe ar s on
screen
•
Set [FAN MODE] to other than [HIGH ALTITUDE] mode when using the projector at altitudes approximately 5500 feet/1700
meters or lower� Using the projector at altitudes less than approximately 5500 feet/1700 meters and setting to [HIGH ALTI-
TUDE] can cause the lamp to overcool, causing the image to flicker� Switch [FAN MODE] to [AUTO]� (→ page 99)
Image is scrolling ver-
tically, 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 138)
• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 88)
Remote control does
not work
• Installnewbatteries.(→ page 11)
• Makesuretherearenoobstaclesbetweenyouandtheprojector.
• Standwithin22feet(7m)oftheprojector.(→ page 11)
Indicator is lit or blink-
ing
• SeethePOWER/STATUS/LAMPIndicator.(→ page 131)
Cross color in RGB
mode
• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 26)
• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 87)
Formoreinformationcontactyourdealer.