Sharp XR-50S XR-55S XR-55X Operation Manual - Page 59

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Maintenance indicator Normal Abnormal Problem Cause Possible Solution Temperature Off Red blinks The internal • Temperatures • Use the projector in an warning (On)/ temperature is around the projector area with a temperature of indicator Red on abnormally high. are high. lower than 95°F (+35ºC). (Standby) • Blocked air intake • 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 Service Center (see page 69) for repair. Lamp indicator Green on (Green blinks when the lamp is warming up.) Red on The lamp does not illuminate. Red on (Standby) Time to change the lamp. The lamp does not illuminate. • The lamp is shut down abnormally. • Disconnect the power cord from the AC outlet, and then connect it again. • Remaining lamp life • Carefully replace the lamp. becomes 5% or less. (See page 56.) • Burnt-out lamp • Lamp circuit failure • Take the projector to your nearest Sharp Authorized Projector Dealer or Service Center (see page 69) for repair. • Please exercise care when replacing the lamp. • Securely install the cover. 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 Service Center (see page 69) for advice. Info • If the temperature warning indicator illuminates, and the projector enters Standby mode, follow the possible solutions above and then wait until the projector has cooled down completely before plugging in the power cord and turning the power back on. (At least 10 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. • The cooling fan keeps the internal temperature of the projector constant and this function is controlled automatically. The sound of the cooling fan may change during operation because the fan speed may change and this is not a malfunction. Appendix 55

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55
Appendix
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 Service
Center (see page
69
) 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
56
.)
Take the projector to your
nearest Sharp Authorized
Projector Dealer or Service
Center (see page
69
) 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 Service
Center (see page
69
) for
advice.
•
Info
If the temperature warning indicator illuminates, and the projector enters Standby mode, follow the
possible solutions above and then wait until the projector has cooled down completely before
plugging in the power cord and turning the power back on. (At least 10 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.
The cooling fan keeps the internal temperature of the projector constant and this function is
controlled automatically. The sound of the cooling fan may change during operation because the fan
speed may change and this is not a malfunction.
•
•
•