Canon LV-7220 EN - Manual (Page 49)

49
Maintenance & Cleaning
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 LAMP REPLACE
POWER
AUTO
SET
VOL
+
WARNING
blinking red
TOP CONTROL
Warning Indicator
The projector is shut down and the WARNING indicator is blinking red.
When the temperature inside the projector exceeds the normal
temperature, the projector is automatically shut down to protect
the inside of the projector. The POWER indicator is blinking and
the projector is being cooled down. When the temperature inside
the projector returns to normal, the POWER indicator lights red
and the projector can be turned on.
✔
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. (p50)
WARNING LAMP REPLACE
POWER
AUTO
SET
T
VOL
+
WARNING
lights red
TOP CONTROL The projector is shut down and the WARNING indicator lights red.
When the projector detects an abnormal condition, it is
automatically shut down to protect the inside and the WARNING
indicator lights 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 is still turned off and the WARNING
indicator lights red, 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.
Maintenance and Cleaning