Panasonic PT-LB78U Lamp and Temp Indicators, Managing the indicated problems, Lamp indicator

Page 39

LAMP and TEMP Indicators

Managing the indicated problems

If a problem should occur with the projector, the LAMP and/or TEMP indicators will inform you. Manage the indicated problems as follow.

1. Confirm the status of all indicators and projector, and switch off the projector in proper way.

See “Switching the projector on/off” on page 18.

2. Find out the cause of the problem by status of the LAMP and/or TEMP indicators.

3.Follow the instruction for each indication below and solve the problem.

4.Turn on the projector in the correct way and confirm the indicator is not

indicating a problem any longer.

LAMP TEMP

NOTE:

• If no problem is found or the problem remains, do not turn on the projector. Instead contact an Authorized Service Center.

LAMP indicator

Indicator

Illuminating red

Flashing red

 

 

 

 

 

 

 

 

 

Problem

LAMP RUNTIME has

LAMP circuit failure, abnormal function or the lamp unit is damaged.

 

reached 2 800 hours.

 

 

 

 

 

 

Cause

Lamp unit will run out

The projector is switched

LAMP circuit failure,

 

 

soon and needs to be

Lamp unit is damaged.

 

on again too soon.

abnormal function.

 

 

replaced.

 

 

 

 

 

 

 

 

 

Let the lamp unit cool

Switch off the projector

 

 

Remedy

See “Replacing the Lamp

down and turn on the

See “Replacing the Lamp

 

and contact an Authorized

 

unit” on page 41.

projector after

unit” on page 41.

 

 

 

90 seconds.

Service Center.

 

 

 

 

 

 

 

TEMP indicator

 

 

 

 

 

 

 

 

Indicator

Illuminating red while projecting and the alert will be displayed.

 

 

Flashing red and power is turned off

 

 

 

 

 

 

 

Problem

The temperature inside and/or outside the projector is abnormally high.

 

 

The projection may becomes darker than usual.

 

 

 

The internal fan operational noise may be louder than usual.

 

 

Cause

The ventilation openings

The room temperature is

The filter is excessively

The projector is located at

 

dirty and the ventilation is

1 400 - 2 700 m (4 593 -

 

are covered.

too high.

 

 

poor.

8 858 ft).

 

 

 

 

 

 

Remove the object(s)

Reinstall the projector in

Clean the filter in the

Turn on the projector*1

 

Remedy

from the ventilation

 

temperature controlled

proper method. See

and set the ALTITUDE to

 

openings or clear around

Maintenance

 

place. See page 48.

page 40.

HIGH. See page 35.

 

the projector.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*1. The projector will perform 2 minutes with LOW setting at high elevation.

ENGLISH - 39

Image 39
Contents PT-LB80U PT-LB78U PT-LB75NTU PT-LB75U PT-LB80NTU /PT-LB80U /PT-LB78U /PT-LB75NTU /PT-LB75U Important Safety NoticeImportant Information Model numberImportant Safety Notice Declaration of ConformityPanasonic Contents Appendix SettingsMaintenance ContentsPrecautions with regard to safety Always disconnect all cables before moving the projector Precautions with regard to safetyDo not set up the projector outdoors Do not look into the lens while the projector is being usedDo not mix old and new batteries Remove the used batteries from the remote control promptlyDo not put your weight on this projector Use only the specified batteriesLiquid crystal panel SecurityOrder to get the best picture quality Optical componentsAccessories M 5’10K1HA15DA0002 Minimum required setting screen Read this firstPreparation Control panel About Your ProjectorProjector body Top and front viewBack and bottom view Attaching a hand strap Remote controlBattery compartment Top view About Your ProjectorStarted Setting upCalculation methods for screen dimensions Screen size and throw distanceMounting in the ceiling and projecting from front Front leg adjusters and throwing angleSetting up Projection methodConnections Connecting example AV equipmentConnecting example Computers Connecting with Video IN/S-VIDEODirect power off function Switching the projector on/offPower cord ConnectingBy direct power on function Switching on the projectorSwitching the projector on/off By control panel operation By remote control operationBy control panel operation Switching off the projectorBy remote control operation By direct power off functionIndicator Power and Power Lock indicatorsPower Lock indicator status Power indicator statusSelecting the input signal Projecting an imagePositioning the image Facing to the projector Remote control operationSetting up the image position automatically Operating rangeCapturing an image Switching the input signalResetting to the factory default settings Remote control operationOperation Projecting an image in INDEX-WINDOW modeUsing an assigned function Controlling the volume of the speakerPress any side of the Digital Zoom +/- button once Enlarging the centered areaEnlarging the image Shifting the center pointNavigating through the Menu Menu NavigationTV-SYSTEM Still ModeMain menu and Sub-menu Menu NavigationClosed Caption Setting Picture menu Detailed Setup For S-VIDEO/VIDEO signalsFor RGB signals Position menu S43 Frame LockPosition menu 169Option menu Auto Setup Lamp PowerPower OFF Timer Direct Power onOption items Refer Closed Caption SettingFunction Button Test PatternText Display Password ChangeInput Password Security menuWireless menu Items in Wireless menuWireless menu, the following items are available Temp indicator Lamp and Temp IndicatorsManaging the indicated problems Lamp indicatorCleaning the projector Care and ReplacementBefore replacing the lamp unit Care and ReplacementWhen to replace the Lamp unit Replacing the Lamp unitCare and Replacement Replacement procedure Resetting the Lamp RuntimeRemoving and replacing the lamp unit Troubleshooting Dots*1 KHz MHz List of compatible signalsTechnical Information Quality*2Serial terminal Projector Technical Information Cable specificationsControl commands Computer connection guidanceScreen size and throw distance for 169 aspect ratio PT-LB80NTUPT-LB75NTU Specifications Computer Audio VideoComputer AudioDimensions Trademark acknowledgementsUnit mm Index Index PowerNuméro de série Avis important concernant la sécuritéInformation Importante Numéro de modèleAvis important concernant la sécurité AvertissementDéclaration de conformité Avertissements Précautions de sécuritéNe pas utiliser le projecteur à lair libre Mises EN GardePrécautions de sécurité Ne pas obstruer les orifices dentrée et de sortie dairUtiliser uniquement les piles spécifiées Retirer les piles usées de la télécommande au plus vitePrécautions lors du transport Sinon cela peut causer des chocs électriquesAffichage à cristaux liquides Précautions lors de linstallationPrécautions lors de lutilisation SécuritéRemplacement de lunité de la lampe Délai de remplacement de lUnité de la lampeAvant de remplacer le lunité de la lampe LA Lampe Retirer et remplacer la lampeRéinitialisation de Durée DE LA Lampe Sur Valider