Troubleshooting (continued)

Images are not displayed correctly. (continued)

Problem

Solution

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 45.)

 

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

 

cases, use the projector without applying the keystone adjustment. (See page 21.)

 

 

 

 

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.

 

 

 

 

No audio is output.

• Check that the volume isn’t set to low.

 

 

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 unplug the power cord from the

 

wall outlet. Wait about 10 minutes, plug the power cord in, and try again.

 

 

“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

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

button) don’t function.

projector. (See page 33.)

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 38 and 39.)

turn on.

Reset the lamp operating time. (See page 39.)

The STATUS indicator

Reset the lamp operating time. (See page 39.)

blinks.

 

 

 

 

 

Kensington Lock

This projector has a Kensington Security Standard connector for use with Kensington MicroSaver Security System. Refer to the information that came with the Kensington System for instructions on how to use it to secure the projector. Please contact Kensington Technology Group below.

Kensington Technology Group 2855 Campus Drive

San Mateo, CA 94403, U.S.A.

Phone: +1- (650)572-2700

Fax: +1- (650)572-9675

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Mitsubishi Electronics WL639U user manual Kensington Lock, Images are not displayed correctly Problem Solution