Operation Manual
137
8. Appendix
Common Problems & Solutions
(→“Power/Status/LampIndicator”onpage136.)
Problem CheckTheseItems
Does not turn on
or shut down
• Checkthatthepowercordispluggedinandthatthepowerbuttonontheprojectorcabinetortheremotecontrol
is on� (→ pages 14, 15)
• Ensurethatthelampcoverisinstalledcorrectly.(→ page 135)
• Checktoseeiftheprojectorhasoverheated.Ifthereisinsufcientventilationaroundtheprojectororiftheroom
where you are presenting is particularly warm, move the projector to a cooler location�
• Checktoseeifyoucontinuetousetheprojectorforanother100hoursafterthelamphasreachedtheendofits
life� If so, replace the lamp� After replacing the lamp, reset the lamp hours used� (→ page 116)
• Thelampmayfailtolight.Waitafullminuteandthenturnonthepoweragain.
• Set[FANMODE]to[HIGHALTITUDE]whenusingtheprojectorataltitudesapproximately5500feet/1700meters
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 102)
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
• Ensurethatthe[OFFTIMER]or[AUTOPOWEROFF]isoff.(→ page 97, 105)
No picture
• Usetheinputselectbuttonontheremotecontroltoselectyoursource(COMPUTER,HDMI1,HDMI2,VIDEO,
USB-A, LAN, or USB-B)� (→ page 17) If there is still no picture, press the button again�
• Ensureyourcablesareconnectedproperly.
• Usemenustoadjustthebrightnessandcontrast.(→ page 89)
• Ensurethatthelenscoverisopen.(orlenscapisremovedonM353WS/M303WS/M333XS)(→ page 5, 15)
• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 116)
• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 33)
• BesuretoconnecttheprojectorandnotebookPCwhiletheprojectorisinstandbymodeandbeforeturningon
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�
• Seealsothenext page�
Picture suddenly be-
comes dark
• CheckiftheprojectorisintheForcedECOmodebecauseoftoohighambienttemperature.Ifthisisthecase,
lower the internal temperature of the projector by selecting [HIGH] for [FAN MODE]� (→ page 102)
Color tone or hue is un-
usual
• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 96)
• Adjust[HUE]in[PICTURE].(→ page 89)
Image isn’t square to the
screen
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 18)
• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 22)
Picture is blurred
• Adjustthefocus.(→ page 21)
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 18)
• Ensure that the distance between the projector and screen is within the adjustment range of the lens.
(→ page 117)
• Condensationmayformonthelensiftheprojectoriscold,broughtintoawarmplaceandisthenturnedon.
Should this happen, let the projector stand until there is no condensation on the lens�
Fl ick er ap pea rs 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 102)
Image is scrolling ver-
tically, horizontally or
both
• Checkthecomputer’sresolutionandfrequency.Makesurethattheresolutionyouaretryingtodisplayissupported
by the projector� (→ page 149)
• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 91)
Remote control does
not work
• Installnewbatteries.(→ page 11)
• Makesuretherearenoobstaclesbetweenyouandtheprojector.
• Standwithin22feet(7m)oftheprojector.(→ page 11)
Indicator is lit or blink-
ing
• SeethePOWER/STATUS/LAMPIndicator.(→ page 136)
Cross color in RGB
mode
• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 26)
• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 90)
Formoreinformationcontactyourdealer.