Mitsubishi Electronics XL2550U user manual Troubleshooting, No image appears on the screen

Page 41

Troubleshooting

Before asking for repair of the projector, check the following. If the symptom persists, stop using the projector, be sure to unplug the power plug, and then contact your dealer.

No image appears on the screen.

Problem

Solution

 

 

 

Power can not be

• Check whether the indicators are on or off and how they are lightning.

turned on.

 

 

 

 

 

 

POWER

STATUS

Solution

 

 

 

 

 

 

 

 

 

 

 

Connect the power cord to the projector.

 

 

Off

Off

Plug the power cord into a wall outlet.

• If any objects are blocking the air inlet or outlet grille, remove them and carry out the following.

 

1.

Unplug the power cord from the wall outlet.

Off

2.

Make sure that the projector has cooled off.

3.Plug the power cord into the wall outlet.

4.Press the POWER button.

If any objects are blocking the air inlet or outlet grille, remove them.

 

 

Don't expose the air outlet grilles to hot air emitted from a heating appliance.

Steady red Blinking

Check wheather the filter is clogged with dirt and dust.

orange

￿Clean the filter, if clogged. (See page 40.)

 

 

 

 

After the STATUS indicator stops blinking, press the POWER button.

 

 

 

Blinking

If you unplug the power cord while the fan is rotating, the lamp may not turn on about 1 minute when

 

you plug the power cord next time.

green

The lamp can't turn on again for 1 minute after it goes out.

 

 

 

 

Press the POWER button several times.

 

 

 

 

 

 

 

 

 

 

 

Replace the lamp. (The lamp is at the end of its life.)

 

 

 

 

 

 

 

Steady red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Attach the lamp cover on the bottom.

 

 

 

 

 

 

 

Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

Unplug the power cord from the wall outlet and contact your dealer.

 

 

red/green

Steady

 

 

 

 

 

 

 

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No image appears on

• Cancel the AV mute by pressing the MUTE button.

the screen.

• Check that the lens cap is removed.

It may take about 1 minute for the lamp to light up.

The lamp fails to light up on rare occasions. In such a case, wait for a few minutes and then try again.

If the projector was turned off before the lamp was cooled down sufficiently last time, the fan may start rotating and the POWER button may not work after the power cord is plugged. After the fan stops rotating, press the POWER button to turn back on the POWER indicator.

Set SCART INPUT in the FEATURE menu to OFF. (See page 25.)

Check that the intake vent is clean.

Check that the lamp cover is closed. (See page 39.)

Check that the cables connected to the external devices are not broken.

When an extension cable is being used, replace it with the supplied cable for check. When images are displayed correctly, add an RGB signal amplifier to the extension cable.

Power turns off.

• This problem may occur when the intake vent and/or exhaust vents are blocked. (In

 

such a case, the STATUS indicator brinks orange.)

 

J Remove the objects blocking the intake vent and/or exhaust vents and then carry

 

 

out the following procedure.

 

1.

Wait for the intake fan and/or exhaust fan to stop. (Wait until the STATUS indicator

 

 

goes out.)

 

2.

Unplug the power cord from the wall outlet.

 

3.

Wait about 10 minutes.

 

4.

Plug the power cord into the wall outlet.

 

5.

Press the POWER button.

 

• When the STATUS indicator is steady red, it is indicating that the lamp should be

 

replaced. Replace the lamp in this case.

 

• Check that AUTO POWER OFF has been set to OFF.

 

• If the lamp has deteriorated, it may go out after a while it illuminates.

EN-41

Image 41
Contents XL2550 XL1550 Compliance Notice When using the projector in EuropeContents Important safeguards Important safeguards Preparing your projector Checking accessoriesInserting the batteries into the remote control Overview Preparating your projectorControl area Terminal boardAbout the laser beam Remote controlBottom side Operational range of the remote control Using the remote controlReception angle Front of projector Rear of projectorSetting up the screen Setting up your projectorBasic setup Adjusting the projection angleWall screen Setting up your projectorFront projection, ceiling mounting Rear projectionScreen size and projection distance When the aspect ratio of the screen isViewing computer images Connecting the projector to a computerAbout DDC Plugging the power cordViewing computer images Projecting images Example of the setting procedure for external output When connecting to a notebook computerTo stop projecting AV muteConnecting to a video player, etc Connecting the projector to video equipmentWhen a TV tuner or VCR is connected Viewing video imagesConnecting to video equipment having a DVI-D terminal Plugging in the power cordViewing video images Projector + DVD player or Hdtv decoderProjecting images Volume from the speaker When projected images are distorted to a trapezoid Setting the aspect ratioHow to change the settings Menu operation SetupMenu operation How to set the menusAvailable settings in the menus Menu operation EN-25 EN-26 EN-27 To adjust the brightness Contrast and Brightness Adjusting projected imagesTo adjust the color Color and Tint To cancel the menuTo adjust the tone of white Color Temp Adjusting projected imagesAbout color temperature Color EnhancerEN-30 LPF Progressive filter To adjust the vertical positionSetting of the image displayed during startup or muting Advanced featuresPassword function Advanced featuresTo enable the password function To cancel the password functionStill ExpandPicture in Picture PinP Projector + computer with USB connector Mouse remote controlOperation PageUp buttonConnection Supervising and controlling by computerMajor functions Normal condition IndicatorsReplacing the lamp Interval of lamp replacementWhen removing the lamp from the ceiling-mounted projector Reset of the lamp operation timeReplacing the lamp To replace the lampCleaning of the air-filter MaintenanceCleaning of the projector and the ventilation slots Cleaning of the lensNo image appears on the screen TroubleshootingImages are not displayed correctly Problem Solution TroubleshootingNo image appears on the screen Problem Solution Kensington Lock Others Problem SolutionSpecifications Replacement part option/not included in the boxEN-45 COMPUTER/COMPONENT Video IN-1/IN-2 DVI-D Hdcp ConnectorsMitsubishi Projector Contact Information