120
Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicator
Description
Blinking
In 
Red
or
Lighting
In 
Red
Turned
off
Lighting
In 
Red
There is a possibility that the interior portion 
has become heated.
Please turn the power off, and allow the projector to cool down at least 
20 minutes. After the projector has sufficiently cooled down, please make 
confirmation of the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 40°C?
• Is the projector used at an altitude of about 1600 m or 
higher? If the projector is used at an altitude of about 
1600 m or higher, set ALTITUDE of the SERVICE item 
in the OPTION menu to HIGH 
(
62)
.
Lighting
In 
Red
Turned
off
Turned
off
The lens door is not opened properly.
One of the followings has been happened.
• 
The lens door is not opened properly, when the projector 
is turned on.
• 
The lens door position is shifted, while the projector is working.
Restart the projector, after confirming that there is nothing 
that the lens door hits while opening or closing.
Lighting
In 
Green
Simultaneous
blinking in 
Red
It is time to clean the air filter.
Please immediately turn the power off, and clean or 
change the air filter referring to the section “Cleaning 
and replacing the air filter”. After cleaning or changing 
the air filter, please be sure to reset the filter time. 
After the remedy, reset the power to ON.
Lighting
In 
Green
Alternative
blinking in 
Red
There is a possibility that the interior portion 
has become overcooled.
Please use the unit within the usage temperature 
parameters (0°C to 40°C).  
After the treatment, reset the power to ON.
Blinking In 
Green for 
approx. 3 
seconds.
Turned
off
Turned
off
At least 1 "Power ON" schedule is saved to the 
projector.
Please refer to Schedule Settings section of User’s 
Manual - Network Guide.
(Continued on next page)