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• Press 

 on the projector or 

on the remote control. Wait until the cool-
ing fan stops.

• Turn the projector over. Loosen the user

service screw (1) that secures the fil-
ter/lamp unit cover. Pressing the tab
(2), remove the filter/lamp unit cover
(3).

• Pick the air filter up with your fingers and

lift it out of the filter/lamp unit cover.

"

"

"

"

"

 Bottom view

"

"

"

"

"

 Rear view

• 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/lamp unit cover.

• Align the tab on the filter/lamp unit  cover

(1) and place it while pressing the tab
(2) to close it. Then tighten the user
service screw (3) to secure the filter/
lamp unit cover.

Note

• Be sure the filter/lamp unit  cover is securely

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

• If dust or dirt has collected inside the rear

and bottom air filters (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 replacement indicator will

Temperature warning indicator

Lamp replacement indicator

Power indicator

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

cation,  “

” will illuminate 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 a
further 90 seconds, and then the
power will be shut off. After

“

” appears, be sure to per-

form the following measures.

■ The lamp life becomes 0%, when used

for approximately 4,500 hours with “Eco
Mode” or when used for approximately
3,000 hours with “Standard Mode” (see
page 

■ When the remaining lamp life becomes

5% or less, “

” (yellow) will be displayed

on the screen. When the percentage be-

comes 0%, “

” will change to “

” (red),

the lamp will automatically turn off and
then the projector as well. At this time,
the lamp replacement indicator will illu-
minate 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/
Power off

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

replacement

indicator

Red on/
Power off

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

active.

Red on

Time to change
the lamp

• Remaining lamp life

becomes 5% or less.

Power

indicator

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

• The filter/lamp unit

cover is open.

• Securely install the cover.

• If the power indicator blinks even

when the filter/lamp unit cover is
securely installed, contact your
nearest Sharp Authorized Projec-
tor Dealer or Service Center for
advice.

Green on/
Red on

Red blinks

• If the temperature warning indicator illuminates, and the power turns off, follow the above possible solutions

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 and then turned on again, as during a brief test, the lamp replacement indicator may

be triggered, preventing the power from going on. Should this occur, disconnect the power cord from the wall
outlet and plug it back in again.

• If you want to clean the air vents during projector operation, be sure to first press 

 on the projector or

 on the remote control and after the power has turned off and the cooling fan has stopped, then clean the

vents.

• Do not unplug the power cord after the power has been turned off and while the cooling fan is running. The

cooling fan runs for about 90 seconds.