Sanyo PLC-XU74 Owners Manual - Page 51

Maintenance and Cleaning, Warning Indicator

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Maintenance & Cleaning Maintenance and Cleaning Warning Indicator The WARNING indicator shows the state of the function which protects the projector. Check the state of the WARNING indicator and the POWER indicator to take proper maintenance. The projector is shut down and the WARNING indicator is blinking red. Top Control WARNING blinking red When the temperature inside the projector reaches a certain level, the projector is automatically shut down to protect the inside of the projector. The POWER indicator is blinking while the projector is being cooled down. When the projector has cooled down sufficiently (to its normal operating temperature), it can be turned on again by pressing the POWER ON-OFF button. ✔ Note: After the temperature inside the projector returns to normal, the WARNING indicator still continues to blink. When the projector is turned on again, the WARNING indicator stops blinking. Then check the matters below: - Did you provide appropriate space for the projector to be ventilated? Check the installing condition to see if ventilation slots are not blocked. - Is the projector not installed near the ventilation duct of air-conditioning equipment which may be hot? Install the projector away from the ventilation duct of air-conditioning equipment. - Are the air filters clean? Clean the air filters periodically. (p.52) The projector is shut down and the WARNING indicator emits a red light. When the projector detects an abnormal condition, it is automatically shut down to protect the inside and the WARNING indicator becomes red. In this case, disconnect the AC power cord and reconnect it, and then turn the projector on once again for check. If the projector cannot be turned on and the WARNING indicator emits a red light, disconnect the AC power cord and contact the service station for check and repair. CAUTION DO NOT LEAVE THE PROJECTOR WITH THE AC POWER CORD CONNECTED UNDER THE ABNORMAL CONDITION. IT MAY RESULT IN FIRE OR ELECTRIC SHOCK. Top Control WARNING emit red light 51

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Maintenance and Cleaning
51
The WARNING indicator shows the state of the function which protects the projector.
Check the
state of the WARNING indicator and the POWER indicator to take proper maintenance.
Warning Indicator
The projector is shut down and the WARNING
indicator is blinking red°
When the temperature inside the projector reaches a
certain level, the projector is automatically shut down
to protect the inside of the projector.
The POWER
indicator is blinking while the projector is being cooled
down.
When the projector has cooled down sufficiently
(to its normal operating temperature), it can be turned
on again by pressing the POWER ON-OFF button.
✔
Note:
After the temperature inside the projector returns
to normal, the WARNING indicator still continues
to blink.
When the projector is turned on again,
the WARNING indicator stops blinking.
Then check the matters below:
– Did you provide appropriate space for the projector
to be ventilated?
Check the installing condition to
see if ventilation slots are not blocked.
– Is the projector not installed near the ventilation duct
of air-conditioning equipment which may be hot?
Install the projector away from the ventilation duct of
air-conditioning equipment.
– Are the air filters clean?
Clean the air filters
periodically. (p.5±)
The projector is shut down and the WARNING
indicator emits a red light°
When the projector detects an abnormal condition, it
is automatically shut down to protect the inside and
the WARNING indicator becomes red.
In this case,
disconnect the AC power cord and reconnect it, and
then turn the projector on once again for check. If
the projector cannot be turned on and the WARNING
indicator emits a red light, disconnect the AC power
cord and contact the service station for check and
repair.
CAUTION
DO NOT LEAVE THE PROJECTOR WITH THE
AC POWER CORD CONNECTED UNDER THE
ABNORMAL CONDITION.
IT MAY RESULT IN
FIRE OR ELECTRIC SHOCK.
Top Control
WARNING
blinking red
Top Control
WARNING
emit red light
Maintenance & Cleaning