Light source and temperature indicators
When an indicator lights up
If a problem should occur inside the projector, the light source indicator <LIGHT> and the temperature indicator
<TEMP> will inform you by lighting or blinking. Check the status of the indicators and remedy the indicated
problems as follows.
Attention
f
Before you take a remedial measure, follow the procedure of switching the power off indicated in
“Switching off the projector” (
x
page 52)
.
Temperature indicator <TEMP>
Light source indicator <LIGHT>
Light source indicator <LIGHT>
Indicator status
Blinking red
(1 time)
Blinking red
(2 times)
Blinking red
(3 times)
Status
Some of the elements of the light
source are defective and the light
output has decreased.
The light source turns off or does not
light up since the phosphor wheel is
abnormal.
The light source does not light up,
or the light source turns off while the
projector is in use.
Solution
Disconnect the power cord plug from the outlet, and switch the power on again. The light source indicator <LIGHT>
may not light up or blink.
Note
f
If the light source indicator <LIGHT> continues to light or blink even after the measure is taken, switch off the projector and remove the
power cord plug from the outlet, then ask your dealer for repair.
Temperature indicator <TEMP>
Indicator status
Blinking red
(3 times)
Blinking red
(2 times)
Status
The air filter is clogged,
internal temperature is high
(warning).
The air filter is clogged, internal
temperature is high (standby
status).
Fan rotation is
abnormal and internal
temperature is high
(warning).
The projector detects an
abnormal condition and
cannot be turned on.
Check
f
Is the intake/exhaust vent blocked?
f
Is the room temperature high?
f
Is the air filter unit dirty?
_
Remedy
f
Remove any objects that are blocking the intake/exhaust
vent.
f
Use the projector in an appropriate operating environment
temperature
*1
.
f
Do not use the projector at high altitudes of 2 700 m (8 858')
or higher above sea level.
f
Clean or replace the air filter unit.
(
x
page 145)
f
Unplug the AC power cord and contact the dealer
or the service center for service and checkup.
*1 For details of operating environment temperature of the projector, refer to “Operating temperature” (
x
page 163)
.
Note
f
If the temperature indicator <TEMP> is still lighting or blinking after taking the preceding measures, ask your dealer for repair.
144 -
ENGLISH
Chapter 6 Maintenance - Light source and temperature indicators
