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ENGLISH-49
Care and maintenance
48-ENGLISH
Cleaning and replacing the air filter
If the air filter becomes clogged with dust, the internal temperature of the
projector will rise, the TEMP indicator will flash and the projector power will
turn off. The air filter should be cleaned every 100 hours of use,
depending on the location where the projector is being used.
Remedy
Problem
Indicator
display
Flashing (red)
It is nearly time to
replace the lamp
unit.
Illuminated (red)
An abnormality has been detected in the lamp
circuit.
BDoes “REPLACE
LAMP” appear on
the screen after
the projector is
turned on?
BThis occurs when
the operation time
for the lamp unit is
nearing 1800
hours. (when
LAMP POWER
has been set to
“HIGH”) Ask your
dealer or an
Authorised
Service Centre to
replace the lamp
unit.
Possible
cause
BThe power may
have been turned
on straight away
after it was turned
off.
BWait for a while
until the lamp unit
cools down before
turning the power
back on again.
BThere may be an
abnormality in the
lamp circuit.
BTurn off the MAIN
POWER switch by
following the
procedure given
on page 24, and
then contact an
Authorised
Service Centre.
LAMP indicator
NOTE:
BBe sure to turn off the MAIN POWER switch by following the procedure
given in “Turning off the power” on page 24 before carrying out any of
the procedures in the “Remedy” column.
BIf the main power turns off after the TEMP indicator starts flashing, it
means that an abnormality has occurred. Please contact an Authorised
Service Centre so that the necessary repairs can be made.
%Replace the air filter, and then
install the air filter cover.
Air filter cover
Air filter
Cleaning
Use a vacuum cleaner to clean off
any accumulated dust.
Air filter cover
$Gently turn the projector
upside down, and then remove
the air filter cover.
NOTE:
BIf the dust cannot be removed
by cleaning, it is time to
replace the air filter. Please
consult your dealer.
Furthermore, if the lamp unit is
being replaced, replace the air
filter at this time also.
Replacement procedure
#Turn off the MAIN POWER
switch and disconnect the
mains lead plug from the mains
socket.
Turn off the MAIN POWER switch
according to the procedure given
in “Turning off the power” on
page 24 before disconnecting the
plug from the mains socket.
NOTE:
BBe sure to install the air filter
cover before using the
projector. If the projector is
used without the air filter cover
installed, dust and other
foreign particles will be drawn
into the projector, and
malfunctions will result.