MITSUBISHI ELECTRIC EX100 - Manual (Page 25)

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Cause and solution
• This air comes out as a result of cooling the inside of the projector. This isn't a product malfunc-
tion.
• Check that the volume isn't set to low.
• 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.
• This indication appears when the ambient temperature rises high. When the ambient tempera-
ture 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.
• This mark appears when ineffective operation is carried out. This isn't a product malfunction.
• Check that the battery is loaded in the remote control or the battery isn't weak. (See page 8.)
• 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 password functionis working.
Cancel the password lock . (See page 21.)
• Because the color wheel spins at a high speed, metalic sounds may be heard in rare occations.
Such sympton is not a malfunction.
When the problems below occur after the lamp is replaced, check the following.
Problem
The power isn't turned
on.
The STATUS indicator
blinks.
Problem
Hot air is emitted from the
air outlet grilles.
No audio is output.
The menu can't be used.
"TEMPERATURE!!" is dis-
played.
The mark appears.
The remote control doesn't
function easily or at all.
The buttons on the control
panel (except for the
POWER button) don't
function.
Cause and solution
• Attach the lamp cover on the bottom correctly.
• Reset the lamp operation time. (See page 22.)
• Reset the lamp operation time. (See page 22.)
Maintenance
Caution:
Be sure to turn off the lamp and unplug the power cord from the wall outlet before you perform any maintenance on
the projector.
Cleaning of the projector and the ventilation slots
Use a soft cloth to clean the projector and the ventilation grilles. When the grilles become dirty, wipe them with a soft
cloth dampened with diluted mild detergent, and then wipe them with a dry cloth.
To protect the surface of the projector from fading or deteriorating:
• Do not spray insecticide on or inside the projector.
• Do not use benzine or thinner to clean it.
• Do not let rubber or plastic materials contact with projector.
Cleaning of the lens
Use a standard lens-cleaning brush or a piece of lens tissue dampened with lens cleaning fl uid. The lens surface is
fragile. Use only recommended, nonabrasive lens-cleaning materials. Do not touch the lens with your fi ngers.
Abnormal sound is heard.