Troubleshooting (continued)

Images are not displayed correctly. (continued)

Problem

Solution

 

 

Different color tint.

• When comparing images projected by two projectors, tints in the displayed images

 

may be different because of variation between their optical components. This is not a

 

malfunction.

 

• When comparing the image projected by this projector with those displayed on the

 

television or PC monitor, tints in the displayed images may be different because of

 

difference in the range of color reproducibility. This is not a malfunction.

Only the motion areas

• This is caused by the computer being used. Contact the manufacturer of your

in the images supplied

computer.

from the computer

 

aren’t displayed.

 

 

 

Projected images are

• Match the output resolution of your computer with the resolution of the projector. For

obscured.

the method to change the output resolution of the computer, contact the manufacturer

 

of your computer. (See page 46.)

 

• Some images and texts appear obscured during the keystone adjustment. In such

 

cases, use the projector without applying the keystone adjustment. (See page 12.)

 

 

Image remains

• When image from VCR is projected, it may remain freezing during speed search. This

freezing.

is not a malfunction.

Noise appears around

• In some images such as DVD, noise may appear around the recorded image. In this

the image.

case, decrease the setting value of OVER SCAN of the SIGNAL menu. (See page 29.)

Projected images are

• After the Power button or On button on the remote has been pressed, or the Lamp

flickering.

mode setting has changed, images may be flickering until the lamp lights stably. This is

 

an expected behavior.

 

• When selecting the input signal, Auto Position, and Color Enhancer, the projected

 

image may be flickering temporarily. This is not a product malfunction.

Others

 

 

 

Problem

Solution

 

 

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.

EN-42

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Mitsubishi Electronics HC3900 user manual Others Problem Solution