Troubleshooting (continued)

Others

Problem

Cause and solution

Hot air is emitted from

• This air comes out as a result of cooling the inside of the projector. This isn't a product

the air outlet grilles.

malfunction.

 

 

No audio is output.

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

The menu can't be used.

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

 

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. Clean the filter. (See page 25.)

 

 

The mark appears.

• This mark appears when ineffective operation is carried out. This isn't a product malfunc-

 

tion.

 

 

The remote control

• Check that the battery is loaded in the remote control or the battery isn't weak. (See page

doesn't function easily

8.)

or at all.

• Check that the remote control sensor isn't exposed to direct sunlight or fluorescent light.

 

(See page 8.)

 

• Use the remote control within its operation range. (See page 8.)

 

• 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 enable

control panel (except for

the password lock.

the POWER button)

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

don’t function.

(See page 23.)

 

 

When the problems below occur after the lamp is replaced, check the following.

Problem

Cause and solution

The power isn't

• Attach the lamp cover on the bottom correctly.

turned on.

Reset the lamp operation time. (See page 24.)

 

 

 

The STATUS indicator

Reset the lamp operation time. (See page 24.)

blinks.

 

 

 

 

 

EN – 28

Page 28
Image 28
Mitsubishi Electronics SL4SU user manual Troubleshooting, Others

SL4SU specifications

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