User Manual

118
8. Appendix
Common Problems & Solutions
(→“Power/Status/LampIndicator”onpage113.)
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 11, 12)
• Ensurethatthelampcoverisinstalledcorrectly.(→ page 110)
• 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 84)
• 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 72)
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 67, 75)
No picture • UsetheCOMPUTER1, HDMI1,HDMI2,VIDEO,HDBaseT,or APPSbuttonontheremote controltoselectyoursource
(COMPUTER, HDMI1, HDMI2, VIDEO, HDBaseT or USB-A)� (→ page 14) 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 59)
• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 84)
• 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 72)
Color tone or hue is
unusual
• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 66)
• Adjust[HUE]in[PICTURE].(→ page 57)
Image isn’t square to the
screen
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 15, 19)
• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 20)
Picture is blurred
• Adjustthefocus.(→ page 18)
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 15, 19)
• Ensurethatthedistancebetweentheprojectorandscreeniswithintheadjustmentrange.(→ page 85)
• 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/1700 meters
or lower� Using the projector at altitudes less than approximately 5500 feet/1700 meters and setting to [HIGH ALTITUDE] can cause
the lamp to overcool, causing the image to flicker� Switch [FAN MODE] to [AUTO]� (→ page 72)
Image is scrolling verti-
cally, 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 126)
• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 61)
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 113)
Cross color in RGB mode
• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 22)
• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 60)
Formoreinformationcontactyourdealer.