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 p rojec tor is shut dow n an d th e WAR NING
indicator is blinking red.
When the t emperature inside the proje ctor reaches a
certain level, the projector is automatically shut d own
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 p rojec tor is shut dow n an d th e WAR NING
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