59
Troubleshooting
Regarding the indicator lamps (continued)
• 
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 suffi ciently cooled down, please make 
confi rmation of the attachment state of the lamp and lamp cover, and then turn 
the power on again.
NOTE
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 suffi ciently cooled down, please make 
confi rmation of the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air fi lter 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 
(
45)
.
Lighting
In 
Green
Simultaneous
blinking in 
Red
It is time to clean the air fi lter.
Please immediately turn the power off, and clean or 
change the air fi lter referring to the section “Cleaning 
and replacing the air fi lter”. After cleaning or changing 
the air fi lter, please be sure to reset the fi lter 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.
Shutting the projector down
Only when the projector can not be turned off by usual 
procedure (
14), 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 (
46) can reset all settings (except 
LANGUAGE, FILTER TIME, LAMP TIME, FILTER MESSAGE and SECURITY 
settings and etc.) to the factory default.
Shutdown switch