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Appendix
-83
Maintenance Indicators
■ 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
illuminate red, and the power will turn off. After the power has been turned off, follow the proce-
dures given below.
Temperature warning
indicator
Lamp replacement
indicator
Power indicator
About the temperature warning 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 power
will be shut off. After “
” ap-
pears, be sure to perform the fol-
lowing measures.
About the lamp
replacement indicator
■The lamp life becomes 0%, when used
for approximately 2,000 hours with “ON”
in “Power Save” or when used for approxi-
mately 1,500 hours with “OFF” in “Power
Save” (see page 69).
■When the remaining lamp life becomes
6% 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 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 96)
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
page 86)
• Take the projector to your nearest
Sharp Authorized Projector Dealer
or Service Center (see page 96)
for repair.
• Please exercise care when
replacing the lamp.
Green on
Green
blinks
when the
lamp is
active.
Red blinks
/
Red on
Time to change
the lamp
• Remaining lamp life
becomes 6% 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