54
Maintenance Indicators (Continued)Maintenance indicator Problem Cause Possible Solution
Normal Abnormal
Temperature
warning
indicator
Off Red blinks
(On)/
Red on
(Standby)
The internal
temperature is
abnormally high.
Temperatures
around the projector
are high.
Blocked air intake
•
•
Use the projector in an
area with a temperature of
lower than 95°F (+35ºC).
Relocate the projector to
an area with proper
ventilation. (See page 8.)
•
•
Cooling fan
breakdown
Internal circuit failure
Clogged air intake
•
•
•
Take the projector to your
nearest Sharp Authorized
Projector Dealer or Serv ice
Center (see page 61) for
repair.
•
Lamp
indicator
Green on
(Green
blinks
when the
lamp is
warming
up.)
Red on The lamp does
not illuminate.
The lamp is shut
down abnormally.
• Disconnect the power cord
from the AC outlet, and
then connect it again.
•
Time to change
the lamp.
Remaining lamp life
becomes 5% or less.
• Carefully replace the lamp.
(See page 55.)
Take the projector to your
nearest Sharp Authorized
Projector Dealer or Serv ice
Center (see page 61) for
repair.
Please exercise care when
replacing the lamp.
Securely install the cover.
•
•
•
•
Red on
(Standby)
The lamp does
not illuminate.
Burnt-out lamp
Lamp circuit failure
•
•
Power
indicator
Green on/
Red on
Green
blinks
(Cooling)
Red blinks The power
indicator blinks in
red when the
projector is on.
The lamp unit cover
is open.
• If the power indicator blinks
in red even when the lamp
unit cover are securely
installed, contact your
nearest Sharp Authorized
Projector Dealer or Serv ice
Center (see page 61) for
advice.
•
Info
If the temperature warning indic ator illuminates, and the proj ector enters standby mode, fo llow the
possible solutions above and th en wait until the projector has c ooled down completely b efore
plugging in the power cord and turn ing the power back on. (At least 10 minute s.)
If the power is turned off for a brief mo ment due to power outage or some othe r cause while using
the projector, and the power supply recove rs immediately after th at, the lamp indicator will il luminate
in red and the lamp may not be lit. In this ca se, unplug the power cord from th e AC outlet, replace
the power cord in the AC outlet and then turn th e power on again.
The cooling fan keeps the inter nal temperature of the proje ctor constant and this fu nction is
controlled automatically. The soun d of the cooling fan may chang e during operation beca use the fan
speed may change and this is not a ma lfunction.
•
•
•