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When the problems below occur after the lamp is replaced, check the following.
Maintenance
Warning:
Do not use flammable solvents (benzene, thinner, etc.) and flammable aerosols when cleaning the projector body and lens. Flammable substances
may ignite causing fire or breakdown while the lamp is illuminating.
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 fluid. The lens surface is fragile. Use only recommended,
nonabrasive lens-cleaning materials. Do not touch the lens with your fingers.
Problem Cause and solution
Hot air is emitted from the air outlet grilles. • This air comes out as a result of cooling the inside of the projector. This isn’t a product 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.
J 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 displayed.
• This indication appears when the ambient temperature rises high. When the ambient tempera-ture stays
high, the lamp goes out.
J 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.
J 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 doesn’t function easily or at all.
• 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 buttons on the control panel (except for the
POWER button) don’t function.
• The password function is working.
J Cancel the password lock. (See page 21.)
Abnormal sound is heard.
• Because the color wheel spins at a high speed, metallic sounds may be heard in rare occasions. Such symp-
tom is not a malfunction.
Problem Cause and solution
The power isn’t turned on.
• Attach the lamp cover on the bottom correctly.
• Reset the lamp operation time. (See page 22.)
The STATUS indicator blinks. • Reset the lamp operation time. (See page 22.)