Chapter 6
Maintenance — Light source/temperature indicators
ENGLISH - 157
Light source/temperature indicators
When an indicator lights up
If a problem occurs inside the projector, the light source indicator <LIGHT> or the temperature indicator <TEMP>
will inform you by lighting or blinking. Check the status of the indicators and take following measures.
Attention
f
When switching off the projector to deal with problems, make sure to follow the procedure in “Switching off the projector” (
x
page 49).
Light source indicator <LIGHT>
Temperature indicator <TEMP>
Light source indicator <LIGHT>
Indicator status
Lighting in red
Blinking in red
(3 times)
Status
Some of the elements of the light source are defective and
the light output has decreased.
The light source does not light up, or the light source turns
off while the projector is in use.
Cause
―
Solution
f
Turn the <MAIN POWER> switch to <OFF> (
x
page 49), and turn on the power again.
Note
f
If the light source indicator <LIGHT> continues to light or blink even after the measure is taken, set the <MAIN POWER> switch to <OFF>,
and ask your dealer for repair.
f
The light source indicator <LIGHT> lights in green while the projector is in projection mode if there is no notification by lighting or blinking in
red.
Temperature indicator <TEMP>
Indicator status
Lighting in red
Blinking in red
(2 times)
Blinking in red
(3 times)
Status
Warm-up status
Internal temperature is high
(warning).
Internal temperature is high
(standby status).
The cooling fan has
stopped.
Cause
f
Did you turn on the power
when the temperature
was low (around 0 °C
(32 °F))?
f
Is the air intake/exhaust port blocked?
f
Is the room temperature high?
―
Solution
f
Wait at least five minutes
in the current status.
f
Use the projector
in an appropriate
operating environment
temperature
*1
.
f
Remove any objects that are blocking the air intake/
exhaust port.
f
Use the projector in an appropriate operating
environment temperature
*1
.
f
Do not use the projector at an altitude of 4 200 m
(13 780') or higher above sea level
*2
.
f
Turn the <MAIN POWER>
switch to <OFF>
(
x
page 49), and
consult your dealer.
*1
The operating environment temperature of the projector differs depending on the altitude or the setting of the [PROJECTOR SETUP] menu
→
[OPERATION SETTING]
→
[OPERATING MODE]. For details, refer to “Operating environment temperature” (
x
page 178).
*2
When the [PROJECTOR SETUP] menu
→
[OPERATION SETTING]
→
[OPERATING MODE] is set to [ECO], [SILENT], [LONG LIFE1], [LONG
LIFE2], or [LONG LIFE3], the projector cannot be used at an altitude of 2 700 m (8 858') or higher above sea level.
Note
f
If the temperature indicator <TEMP> is still lit or blinking after taking the measures, ask your dealer for repair.
