Troubleshooting, En-40 – MITSUBISHI ELECTRIC Mitsubishi Electric LCD HC6800 User Manual

Page 40

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EN-40

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
turned on.

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

POWER STATUS Solution

Off

Off

Connect the power cord to the projector.

Plug the power cord into a wall outlet.

Turn on the main power switch.

Steady red

Off

If any objects are blocking the air inlet or outlet grill, re move them and carry out the

following.

Turn off the main power switch.

1.

Make sure that the projector has cooled off.

2.

Turn on the main power switch.

3.

Press the POWER button.

4.

Blinking

orange

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.

Check whether the filter is clogged with dirt or dust.

Clean the filter, if clogged. (See page 39.)

Blinking

green

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

If the main power switch is turned off while the fan is rotating, the lamp may not turn on about 1

minute when the main power switch is turned on next time.

The lamp can’t turn on again for one minute after it goes out.

Press the POWER button several times.

Steady red

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

Blinking

red/green

Off

Attach the lamp cover.

Steady

or

Blinking

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

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 main power
switch is turned on. 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 28.)

Check that the lamp cover is closed. (See page 37.)

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.

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.)

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

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

1.

goes out.)
Turn off the main power switch.

2.

Wait at least 10 minutes.

3.

Turn on the main power switch.

4.

Press the POWER button.

5.
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.

Troubleshooting

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