Mitsubishi Electronics HC4000 user manual Others Problem Solution

Models: HC4000

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Troubleshooting (continued)

Others

Problem

Solution

 

 

No sound comes

• The projector is not equipped with the speakers.

from the speakers

The AV amplifier reads the information that projector is not equipped with the speakers

connected to the AV

and then passes this information along to the DVD player. Because of this, either the

amplifier.

DVD player may be temporarily stopping audio output, or the AV amplifier may be

(No sound comes

temporarily stopping audio output from the DVD player.

from the home theater

Change the setting on the AV amplifier or the DVD player.

system speakers.)

 

 

 

The exhaust vents

• This air comes out after cooling the inside of the projector. You may feel hot, but this is

emit warm air.

not a malfunction.

The menu can’t be

• The microcomputers inside the projector may be wrongly operating because of noise.

used.

Press the POWER button to turn off the lamp and wait about 90 seconds. Then

 

unplug the power cord from the outlet, wait at least 10 minutes, and plug the power

 

cord back into the outlet. When the POWER button doesn't function, unplug the

 

power cord from the outlet, wait at least 10 minutes, and then plug the power cord

 

back into the outlet.

“TEMPERATURE!!” is

• This indication appears when the ambient temperature rises high. When the ambient

displayed.

temperature stays high, the lamp goes out.

 

Eliminate any causes of the rise in the ambient temperature.

 

• This indication appears when the air inlet or outlet grille is blocked. When they are kept

 

blocked, the lamp goes out.

 

Remove the objects blocking the air inlet or outlet grille.

The mark appears.

• This mark appears when ineffective operation is carried out. This isn’t a product

 

malfunction.

The remote control

• Check that the batteries are loaded in the remote control or the batteries are not weak.

doesn’t function easily

(See page 6.)

or at all.

• Check that the remote control sensor isn’t exposed to direct sunlight or fluorescent

 

light. (See page 9.)

 

• Use the remote control within its operation range. (See page 9.)

 

• Use the remote control at least 10 cm away from the projector.

 

 

The buttons on the

• PASSWORD FUNCTION in the FEATURE menu has been set to MENU ACCESS to

control panel (except

enable the password lock.

for the POWER button)

Cancel the password lock or contact the person in charge of management of the

don’t function.

projector. (See page 35.)

 

 

Abnormal sound is

• Because the color wheel spins at a high speed, metallic sounds may be heard in rare

heard.

occasions. Such symptom is not a malfunction.

If the following problem occurs after the lamp is replaced, check the following first.

Problem

Solution

 

 

The projector does not

• Fit the lamp cover securely. (See pages 36 and 37.)

turn on.

Reset the lamp operating time. (See page 38.)

The STATUS indicator

Reset the lamp operating time. (See page 38.)

blinks.

 

 

EN-43

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Mitsubishi Electronics HC4000 user manual Others Problem Solution