Mitsubishi HC6800 User Manual page 42

Mitsubishi hc6800: user guide
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Troubleshooting (continued)
Images are not displayed correctly. (continued)
Problem
Different color tint.
Only the motion areas
in the images supplied
from the computer
aren't displayed.
Projected images are
obscured.
Image remains
freezing.
Noise appears around
the image.
Others
Problem
The exhaust vents
emit warm air.
The menu can't be
used.
"TEMPERATURE!!" is
displayed.
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.
Mechanical operating
noise (clicking sound)
is heard.
If the following problem occurs after the lamp is replaced, check the following first.
Problem
The projector does not
turn on.
The STATUS indicator
blinks.
Solution
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.
This is caused by the computer being used. Contact the manufacturer of your
computer.
Match the output resolution of your computer with the resolution of the projector.
For the method to change the output resolution of the computer, contact the
manufacturer of your computer. (See page 45.)
When image from VCR is projected, it may remain freezing during speed search. This
is not a malfunction.
In some images such as DVD, noise may appear around the recorded image. In this
case, decrease the setting value of OVER SCAN of the SIGNAL menu. (See page 29.)
Solution
This air comes out after cooling the inside of the projector. You may feel hot, but this
is not a malfunction.
The microcomputers inside the projector may be wrongly operating because of noise.
Turn off the main power, wait about 10 minutes, and turn on the main power again.
This indication appears when the ambient temperature rises high. When the ambient
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, if clogged.
(See page 39.)
This mark appears when ineffective operation is carried out. This isn't a product
malfunction.
Check that the batteries are loaded in the remote control or the batteries are not
weak. (See page 6.)
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.
PASSWORD FUNCTION in the FEATURE menu has been set to MENU ACCESS to
enable the password lock.
Cancel the password lock or contact the person in charge of management of the
projector. (See page 35.)
The iris produces sound while operating. This is not a malfunction.
Solution
Fit the lamp cover securely. (See pages 36 and 37.)
Reset the lamp operating time. (See page 37.)
Reset the lamp operating time. (See page 37.)
EN-42

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