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M4

M4

M4

M4

STANDBY

• Wait until the cooling fan stops.

• Unplug the power cord from the AC

socket.

• Turn over the projector. Grab the tab

and slide open the filter cover in the
direction of the arrow.

• Pick the air filter up with your fingers

and lift it out of the filter cover.

• Clean the dust off the air filter and

cover with a vacuum cleaner extension
hose.

• Place the air filter underneath the tabs

on the filter cover.

• Slide the filter cover in the direction of

the arrow to close it.

Note

• Be sure the filter cover is securely

installed. The power will not turn on
unless it is correctly installed.

• If dust or dirt has collected inside the

bottom air filter (not removable), clean the
filter with a vacuum cleaner extension
hose.

■ The warning lights on the projector indicate problems inside the projector.

■ If a problem occurs, either the temperature warning indicator or the lamp indicator will illuminate

Temperature warning

indicator

Lamp indicator

Power indicator

If the temperature inside the pro-
jector increases, due to blockage
of the air vents, or the setting lo-
cation, “

” will blink in the

lower left corner of the picture. If
the temperature keeps on rising,
the lamp will turn off and the tem-
perature warning indicator will
blink, the cooling fan will run for
further 90 seconds, then the pro-
jector will enter the standby mode.
After “

” appears, be sure to

perform the following measures.

■ The lamp life becomes 0%, when used

for approximately 3,000 hours with “ON”
in “Power Save” or when used for approxi-
mately 2,000 hours with “OFF” in “Power
Save” (see page 

■ When the remaining lamp life becomes

5% or less, “

” will be displayed on the

screen in yellow. When the percentage
becomes 0%, “

” will change to “

”

(red), the lamp will automatically turn off
and then the projector will automatically
enter the standby mode. At this time, the
lamp indicator will illuminate in red.

■ If you try to turn on the projector a fourth

time without replacing the lamp, the pro-
jector will not turn on.

Maintenance indicator

Condition

Problem

Possible Solution

Temperature

warning

indicator

Normal

Abnormal

Off

Red on/
Standby

The internal
temperature is
abnormally high.

Abnormal

• Blocked air intake

• Relocate the projector to an area

with proper ventilation.

• Cooling fan break-

down

• Internal circuit failure

• Clogged air intake

• Take the projector to your nearest

Sharp Authorized Projector Dealer
or Service Center (see page 

)

for repair.

Lamp

indicator

Red on/
Standby

The lamp does
not illuminate.

• Burnt-out lamp

• Lamp circuit failure

• Carefully replace the lamp. (See

• Take the projector to your nearest

Sharp Authorized Projector Dealer
or Service Center (see page 

for repair.

• Please exercise care when

replacing the lamp.

Green on

Green

blinks

when the

lamp is

warming up

 or shutting

down.

Red blinks/
Red on

Time to change
the lamp

• Remaining lamp life

becomes 5% or
under.

Power

indicator

The power
indicator blinks
in red when the
projector is on.

• The filter cover, lamp

unit cover or lens
cover is open.

• Securely install the covers.

• If the power indicator blinks even

when the filter cover is securely
installed, contact your nearest
Sharp Authorized Projector Dealer
or Service Center for advice.

Green on/
Red on

Red blinks

• If the temperature warning indicator illuminates, and the projector enters the standby mode, follow the pos-

sible solutions on the previous page and then wait until the projector has cooled down completely before
plugging in the power cord and  turning the power back on. (At least 5 minutes.)

• If the power is turned off for a brief moment due to power outage or some other cause while using the

projector, and the power supply recovers immediately after that, the lamp indicator will illuminate in red and
the lamp may not be lit. In this case, unplug the power cord from the AC outlet, replace the power cord in the
AC outlet and then turn the power on again.

• If you want to clean the air vents during projector operation, be sure to put the projector into the standby

mode. After the cooling fan has stopped, clean the vents.

• Do not unplug the power cord after the projector has entered the standby mode and while the cooling fan is

running. The cooling fan runs for about 90 seconds.