Epson Projector PowerLite 4855WU User Manual
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Reset thelamp timer tozero tokeep trackofthe new lamp ’s usage. Parent topic:Projector LampMaintenance Related references Optional Equipment andReplacement Parts Related tasks Resetting theLamp Timer Resetting theLamp Timer You must reset thelamp timer afterreplacing theprojectors lamptoclear thelamp replacement message andtokeep trackoflamp usage correctly. Note: Donot reset thelamp timer ifyou have notreplaced thelamp toavoid inaccurate lampusage information. 1. Turn onthe projector. 2. Press theMenu button. 3. Select theReset menuandpress Enter. 4. Select ResetLampHours andpress Enter. You seeaprompt askingifyou want toreset thelamp hours. 151
5. Select Yesandpress Enter. 6. Press Menu orEsc toexit themenus. Parent topic:Projector LampMaintenance Related tasks Replacing theLamp Replacing theRemote ControlBatteries The remote controlusestwoAAmanganese oralkaline batteries. Replacethebatteries assoon asthey run out. Caution: Useonly thetype ofbatteries specified inthis manual. Donot install batteries ofdifferent types, or mix new andoldbatteries. 1. Open thebattery coverasshown. 2. Remove theoldbatteries. Warning: Ifthe battery fluidhasleaked, wipeitaway withasoft cloth andavoid getting thefluid on your hands. Ifitgets onyour hands, washthemimmediately toavoid injury. 152
3. Insert thebatteries withthe+and –ends facing asshown. 4. Close thebattery coverandpress itdown untilitclicks intoplace. Warning: Disposeofused batteries according tolocal regulations. Donot expose batteries toheat or flame. Keepbatteries outofthe reach ofchildren; theyarechoking hazards andarevery dangerous ifswallowed. Parent topic:Projector Maintenance Related references Remote ControlOperation 153
Transporting theProjector The projector containsprecision parts,someofwhich areglass. Follow theseguidelines totransport or ship theprojector safely: • Remove anyequipment connectedtothe projector. • Set thevertical lensshifttothe lowest position. • Attach theprotective lenspadthatwas included withtheprojector. • When transporting theprojector along distance oras checked luggage, packitin afirm boxwith cushioning arounditand mark thebox Fragile. • When shipping theprojector forrepairs, placeitin its original packing materials, ifpossible, oruse equivalent materialswithcushioning aroundtheprojector. Markthebox Fragile. Note: Epson shallnotbeliable forany damages incurredduringtransportation. Parent topic:Maintaining andTransporting theProjector 154
Solving Problems Check thesolutions inthese sections ifyou have anyproblems usingtheprojector. Projection ProblemTips Projector LightStatus Using theProjector HelpDisplays Solving ImageorSound Problems Solving Projector orRemote ControlOperation Problems Solutions WhenNetwork AlertE-Mails areNot Received Where toGet Help Projection ProblemTips If the projector isnot working properly, tryturning itoff and unplugging it.Then plugitback inand turn it on. If this does notsolve theproblem, checkthefollowing: • The lights onthe projector mayindicate whattheproblem is. • The projectors Helpsystem candisplay information aboutcommon problems, ifthe projector is operating. • The solutions inthis manual canhelp yousolve many problems. If none ofthese solutions help,youcancontact Epsonfortechnical support. Parent topic:Solving Problems Projector LightStatus The lights onthe projectors controlpanelindicate theprojector statusandletyou know when aproblem occurs. Checkthestatus andcolor ofthe lights andlook forasolution inthe table here. 155
1 Power light 2 Lamp light 3 Temperature light 4 Filter light Power light Lamp light Temperature Filter light Status andsolution light Green Off Off Off Normal operation. Flashing Off Off Off Warming up.Wait foranimage toappear. green Orange Off Off Off Standby orsleep mode. Flashing Off Off Off Preparing networkmonitoring orshutting orange down. (Waitforthe light toremain orange before unplugging theprojector.) 156
Power light Lamp light Temperature Filter light Status andsolution light Flashing red Off Flashing Off Projector istoo hot. orange • Make surethatthevents andairfilter are not clogged withdust orobstructed by nearby objects. • Clean orreplace theairfilter. • Make suretheenvironmental temperature is not toohot. Red Off Red Off Projector hasoverheated andturned off. Leave itturned offtocool down forfive minutes. • Make surethatthevents andairfilter are not clogged withdust orobstructed by nearby objects. • Clean orreplace theairfilter. • Ifoperating theprojector athigh altitude, turn onHigh Altitude Mode. • Ifthe problem persists, unplugtheprojector and contact Epsonforhelp. Red Flashing Off Off Lamp hasaproblem. red • Check tosee ifthe lamp isburned out, broken, orinstalled incorrectly. Reseator replace thelamp asnecessary. • Make surethatthevents andairfilter are not clogged withdust orobstructed by nearby objects. • Ifoperating theprojector athigh altitude, turn onHigh Altitude Mode. • Ifthe problem persists, unplugtheprojector and contact Epsonforhelp. On Off Off Flashing It is time toclean theairfilter. green 157
Power light Lamp light Temperature Filter light Status andsolution light On Off Off Flashing Low airflow through theprojector. orange • Make surethatthevents andairfilter are not clogged withdust orobstructed by nearby objects. • Clean orreplace theairfilter. • Ifthe problem persists, unplugtheprojector and contact Epsonforhelp. On Off Off Orange No airfilter. Check tosee ifthe airfilter is securely installed. Red Off Off Red Low airflow through theairfilter. • Make surethatthevents andairfilter are not clogged withdust orobstructed by nearby objects. • Clean orreplace theairfilter. • Ifthe problem persists, unplugtheprojector and contact Epsonforhelp. On Flashing Off Off The lamp ispast itsreplacement periodand orange needs tobe replaced toavoid damage. Do not continue usingtheprojector. Red Off Flashing red Off A fan orsensor hasaproblem. Turnthe projector off,unplug it,and contact Epsonfor help. Red or Flashing Flashing red Off Internal projector errororair exhaust vent flashing red red error. Turntheprojector off,unplug it,and contact Epsonforhelp. Red Off Off Flashing The airflow sensor hasaproblem. Turnthe red projector off,unplug it,and contact Epsonfor help. Note: Ifthe lights display apattern notlisted inthe table above, turntheprojector off,unplug it,and contact Epsonforhelp. 158
Parent topic:Solving Problems Related references Projector SetupSettings -Extended Menu Where toGet Help Related tasks Cleaning theAirFilter Replacing theAirFilter Replacing theLamp Using theProjector HelpDisplays You candisplay information tohelp yousolve common problems usingtheprojectors Helpsystem. 1. Turn onthe projector. 2. Press theHelp button onthe projector orthe remote control. PresstheHelp button onthe remote control. You seetheHelp menu. 3. Use theupand down arrow buttons tohighlight theproblem youwant tosolve. 4. Press Entertoview thesolutions. 5. When youarefinished, doone ofthe following: • To select another problem tosolve, pressEsc. • To exit thehelp system, pressHelp. Parent topic:Solving Problems Solving ImageorSound Problems Check thesolutions inthese sections ifyou have anyproblems withprojected imagesorsound. Solutions WhenNoImage Appears Solutions WhenNo Signal Message Appears Solutions WhenNot Supported Message Appears Solutions WhenOnlyaPartial ImageAppears Solutions WhentheImage isNot Rectangular Solutions WhentheImage Contains NoiseorStatic Solutions WhentheImage isFuzzy orBlurry 159
Solutions WhentheImage Brightness orColors areIncorrect Solutions toSound Problems Parent topic:Solving Problems Solutions WhenNoImage Appears If no image appears, trythe following solutions: • Press theA/V Mute button onthe remote controltosee ifthe image wastemporarily turnedoff. • Make sureallnecessary cablesaresecurely connected andthepower ison for the projector and connected videosources. • Press theprojectors powerbutton towake itfrom standby orsleep mode. Alsoseeifyour connected computer isin sleep mode ordisplaying ablank screen saver. • Check thesettings onthe Signal menutomake suretheyarecorrect forthe current videosource. • Adjust theBrightness settingorselect theNormal PowerConsumption setting. • Check theDisplay settingtomake sureMessages isset toOn . • Ifthe projector doesnotrespond whenyoupress thecontrol panelbuttons, thebuttons maybe locked. Unlockthebuttons. • Ifthe projector doesnotrespond whenyoupress buttons onthe remote control, makesuretheremote receivers areturned on. • For images projected withWindows MediaCenter, reducethescreen sizefrom fullscreen mode. • For images projected fromapplications usingWindows DirectX,turnoffDirectX functions. • Ifyou connected throughtheDisplayPort ,change theDisplayPort EQsetting inthe Signal menu. Parent topic:Solving ImageorSound Problems Solutions WhenNo Signal Message Appears If the No Signal message appears,trythe following solutions: • Press theSource SearchorSearch buttonandwait afew seconds foranimage toappear. • Turn onthe connected computerorvideo source, andpress itsplay button tobegin yourpresentation, if necessary. • Check theconnection fromtheprojector toyour video sources. • Ifyou areprojecting fromalaptop computer, makesureitis set uptodisplay onanexternal monitor. • Ifnecessary, turntheprojector andtheconnected computerorvideo source offand then onagain. 160