Mitsubishi Electronics XD221U Troubleshooting, No image appears on the screen, Power Status

Page 29

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

 

 

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

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

Power can not be turned on.

 

Steady red

Blinking

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

 

 

 

 

 

orange

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

minute when you plug the power cord next time.

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

green

 

 

 

 

 

 

 

 

 

 

 

 

 

Press the POWER button several times.

 

 

 

 

 

 

 

 

 

 

 

 

 

Attach the lamp cover on the top.

 

 

 

 

 

 

 

 

 

Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking red

Steady

 

 

 

 

/ green

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Cancel the AV mute by pressing the AV MUTE button.

 

• 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 rotat-

 

ing and the POWER button may not work after the power cord is plugged. After the fan stops rotating, press

No image appears on the screen.

the POWER button to turn back on the POWER indicator.

 

• Check that the intake vent is clean.

 

• Check that the lamp cover is closed. (See page 28.)

 

• 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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• 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 proce-

 

 

dure.

 

 

 

 

 

 

 

 

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

Power turns off.

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.

 

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

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• PASSWORD FUNCTION in the FEATURE menu has been set to DISPLAY INPUT to enable the password

The screen for entering the password appears.

lock.

 

 

 

 

 

 

 

J Enter the password or contact the person in charge of management of the projector.

 

 

(See page 25.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Turn on the power of the connected device, or check whether there is something wrong with the connected

 

device.

 

 

 

 

 

 

 

 

• Check whether the external device output signals. (Check this especially when the external device is a note-

 

book computer.)

 

 

"NO SIGNAL" is displayed.

• Check that the cable connected to the external device isn’t defective.

 

• Check that the projector is connected to the external device using the correct terminals.

 

• Check that the connected device is correctly selected as the input source.

 

• When an extension cord is being used, replace it with the supplied cable and check whether images are pro-

 

jected correctly. If images are projected correctly, use an RGB signal amplifier along with the extension cord.

ENGLISH

EN-29

Image 29
Contents XD221U Shock When using the projector in EuropeContents Important safeguards Do not look into the lens when the projector is operating Do not keep using the damaged projectorDo not unplug the power cord during operation Place of installationKensington Lock OverviewControl panel Terminal board 6 8 1012 Overview Bottom side Remote controlOperation range of the remote control Remote controlBattery installation Layout of the projector InstallationFront projection Front projection, ceiling mountingProjector + DVD player or Hdtv decoder Basic connectionsProjector + AV device Projector + Computer Basic connectionsUsing the adjustment feet front Adjustment of the projection anglePreparation Preparation for projectionBasic operation Power-onWhen fine streaks are seen on projected images Basic operation Wall Screen When connecting to a laptop computerQuick Menu Basic operation Menu operationQuick Menu Color Enhancer Auto Presentation ContrastInformation menu Menu operationMenu Options Over Scan Hold *2 User Lamp Time LOW Input Resolution Gamma ModeStandard LOW High User Input Level Closed Caption *1 DYNAMIC, NATURAL, DetailImage Advanced menu Basic operationImage menu Installation menu Password Fucntion Feature menuCinema Mode AUTO/OFF Video SignalSingal menu Signal User menuAdjusting projected images Image adjustmentGamma mode Color EnhancerSimple method to adjust the image position Image adjustmentBrilliantColorTM LPF Progressive filterPassword function Advanced featuresFreeze MagnifySupervising and controlling by computer Advanced featuresMajor functions ConnectionWhen the projector is mounted to the ceiling Lamp replacementReset of the lamp operation time Lamp replacementInterval of lamp replacement No image appears on the screen TroubleshootingPower Status LPF TroubleshootingImages are not displayed correctly Cleaning of the projector and the ventilation slots MaintenanceCleaning of the lens OthersAbnormal condition IndicatorsNormal condition Specifications Connectors SpecificationsDimensional drawings unit mm What’s included in the box Replacement partCGA85 CGA84VGA60 VGA72Mitsubishi Electric Corporation

XD221U specifications

The Mitsubishi Electronics XD221U is a remarkable projector that offers an impressive combination of high-quality imaging, advanced technologies, and user-friendly features, making it a popular choice for various settings, including business presentations, educational environments, and home entertainment.

One of the standout features of the XD221U is its brightness capability. With a high lumen output, this projector delivers clear and vibrant images even in well-lit rooms. This makes it particularly suitable for classrooms and conference rooms where ambient light can be a challenge. The projector utilizes 3LCD technology, which ensures rich color reproduction and sharp details. The 3LCD system enables the XD221U to produce both vivid colors and deep blacks, improving overall image quality.

The resolution of the XD221U is XGA (1024 x 768), making it ideal for displaying standard office documents, presentations, and videos. The aspect ratio of 4:3 is well-suited for traditional content formats and provides a good viewing experience. Additionally, the projector supports various input options, including VGA, HDMI, and RCA, making it versatile and compatible with most modern devices such as laptops, tablets, and DVD players.

Portability is another key characteristic of the XD221U. Designed with mobility in mind, it is lightweight and compact, making it easy to transport from one location to another. This portability ensures that users can set up presentations or screenings quickly, enhancing productivity in professional environments.

Mitsubishi Electronics has also integrated several helpful features into the XD221U to enhance user experience. The projector includes an automatic vertical keystone correction feature, which helps to adjust the image automatically when the projector is not perfectly aligned with the screen. This allows for a more straightforward setup and consistent image quality, regardless of projector placement.

Another notable attribute is the long lamp life, which reduces the need for frequent replacements and lowers total cost of ownership. Users can expect a substantial hours of usage before needing to change the lamp, contributing to its appeal for businesses and schools.

In summary, the Mitsubishi Electronics XD221U is a versatile projector that excels in delivering bright, high-quality images and offers a range of features designed for comfort and convenience. Its advanced 3LCD technology, XGA resolution, and ease of use make it a strong candidate for anyone in need of a reliable and effective projection solution.