57
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 35°C?
If the same indication is displayed after the remedy, please 
set FAN SPEED of SERVICE item in OPTION menu to HIGH 
(
42)
.
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 “Air Filter”. After cleaning or 
changing the air filter, please be sure to reset the filter timer. 
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 (5°C to 35°C).  
After the treatment, reset the power to ON.
NOTE  • 
When the interior portion has become overheated, for safety purposes, 
the projector is automatically shut down, and the indicator lamps may also be 
turned off. In such a case, disconnect the power cord, and wait at least 45 minutes. 
After the projector has sufficiently cooled down, please make confirmation of the 
attachment state of the lamp and lamp cover, and then turn the power on again.
Shutting the projector down
Only when the projector can not be turned off by usual 
procedure 
(
15)
, please push the shutdown switch 
using a pin or similar, and disconnect the power plug 
from the power outlet. Before turning it on again, wait 
at least 10 minutes to make the projector cool down 
enough.
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of 
SERVICE item in OPTION menu 
(
44)
 can reset all settings(except LANGUAGE, 
FILTER TIME, LAMP TIME, FILTER MESSAGE and etc.) to the factory default.
Shutdown switch