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

Power can not be turned on.

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 grill, 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 whether the filter is clogged with dirt or dust.

 

 

 

 

 

 

 

 

 

orange

 

Clean the filter, if crogged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 one minute when

 

 

 

 

 

 

 

 

 

 

you plug the power cord next time.

 

 

 

 

 

 

 

 

 

green

 

• The lamp can't turn on again for one 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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

Attach the lamp cover on the bottom.

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

red / green

Steady

 

 

 

 

 

 

 

 

 

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

No image appears on the screen.

Check that the lens cap is removed.

It may take about one 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.

Check that the intake vent is clean.

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

Check that the lamp cover is closed. (See page 33.)

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.

Check the operation manual of the video device for its connection.

Projected images

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

suddenly disappear.

such a case, the STATUS indicator brinks orange.)

 

 

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.

The screen for entering the password appears.

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

Enter the password or contact the person in charge of management of the projector. (See page 30.)

EN-34

Page 34
Image 34
Mitsubishi Electronics HD4000 user manual Troubleshooting, EN-34, No image appears on the screen Problem, Solution

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