Troubleshooting - Mitsubishi S120 User Manual

Troubleshooting

The following offers solutions to some of the common problems you may encounter. We suggest that you consult
this chart before contacting your dealer.
PROBLEMS
• The air intake vents, exhaust vents or air filter
is clogged with dust or some object.
POWER indicator does not light up.
• Power cord is unplugged from the outlet.
• Power cord is disconnected from the projector.
• The main switch is turned off.
• The lamp lid is open.
POWER indicator blinks red.
• The projector has been turned on again too soon
The power is off.
after having been turned off.
• When the power switch was turned off while
the fan was running, during or after lamp
operation.
• The room temperature is too high.
(Does the LAMP indicator show an unusual
condition?)
• Lamp is no longer working.
POWER indicator blinks between red and green.
• The filter cover or lamp cover is not closed.
• When the LAMP indicator or the TEMP
indicator is either on or blinking, the main unit
requires repairs.
• Lens is covered by lens cap.
• When the LAMP indicator or the TEMP
indicator is either on or blinking, the main unit
requires repairs.
No picture appears
• The equipment connected to this projector is not
on the screen.
turned on.
• Hookup is not made correctly with other equipment.
• The input source is not selected correctly.
The image is • The projector is not at a right angle to the screen.
distorted.
• Brightness, tint and color are not adjusted cor-
The image is dark.
rectly.
• The projecting distance is beyond the focused area.
• Lens is dirty.
• Screen size exceeds screen size specifications.
• Brightness and contrast are not adjusted cor-
The image is
rectly.
blurred.
• FINE adjustment is not made correctly.
• Tracking is not adjusted.
• The projector is not at a right angle to the screen.
• When you see the stationary image for a long time, it may remain on the screen if you change the
The image remains
image. It is not a breakdown. The blurred image will disappear in a few minutes.
blurred.
Red, blue or green dots
• It is normal.
are viewed on the text of
image.
The image is • The cable for connection with other equipment
distorted on the is not plugged securely into the terminal.
screen and noise is • The projector is installed too close to other
heard. equipment.
• Volume is not turned up.
No sound is heard.
• Connection to other equipment is not made
correctly.
Nothing is displayed on
• The PC monitor is not turned on.
the PC monitor.
Warm air comes out of
• This is typical of the LCD projector.
the exhaust vents.
Adjustments cannot be
• The operation is incorrectly made due to noise or
made.
interference.
CAUSE
POSSIBLE SOLUTIONS
• Remove the object.
• Plug the power cord into the outlet.
• Insert the power cord into the projector.
• Turn the main switch on.
• Close the lamp lid.
• Wait for the lighting sequence.
• Turn the power switch on and off several times.
• Refer to "Indicators" on page 36.
• Replace the lamp with a new one.
• Close the cover correctly.
• Contact your dealer.
• Take the lens cap off.
• Replace the lamp with a new one.
• Turn on the connected equipment.
• Confirm the hookup.
• Select the correct source according to the equip-
ment connected to this projector.
• Adjust the angle of the projector to make a right
angle to the screen. See page 11.
• Adjust brightness, tint and color correctly.
• Adjust the projecting distance. See page 10.
• Clean lens.
Reduce screen size to within 23" to 245".
•
• Adjust brightness, contrast.
• Make FINE adjustment.
• Adjust tracking.
• Adjust the angle of the projector to make a
right angle to the screen. See page 11.
• Plug the connecting cable securely into the
terminal. See pages 12-14.
• Install the projector far away from other
equipment.
• Turn up the volume.
• Check connections.
See pages 12-14.
• Turn on the monitor.
• Press the MENU and POWER buttons simulta-
neously. See page 17.
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