Operation Manual

109
8. Appendix
Common Problems & Solutions
(→“Power/Status/LampIndicator”onpage108.)
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 105)
• 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 85)
• 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 73)
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 69, 76)
No picture
• UsetheCOMPUTER1,HDMI1, HDMI2, VIDEO, USB-A, USB-B or LAN button on the remote control to select your
source (COMPUTER, HDMI1, HDMI2, VIDEO, USB-A, LAN or USB-B)� (→ 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 61)
• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 85)
• 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 73)
Color tone or hue is
unusual
• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 68)
• Adjust[HUE]in[PICTURE].(→ page 61)
Image isn’t square to
the screen
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 15, 16)
• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 18)
Picture is blurred
• Adjustthefocus.(→ page 17)
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 15, 16)
• Ensurethatthedistancebetweentheprojectorandscreeniswithintheadjustmentrange.(→ page 88)
• 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 ALTI-
TUDE] can cause the lamp to overcool, causing the image to flicker� Switch [FAN MODE] to [AUTO]� (→ page 73)
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 115)
• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 63)
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 108)
Cross color in RGB
mode
• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 20)
• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 62)
Formoreinformationcontactyourdealer.