
65
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 sufciently cooled down, please make 
conrmation 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 sufciently cooled down, please make 
conrmation of the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air 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 
(50)
.
Lighting
In Green
Simultaneous
blinking in Red
It is time to clean the air lter.
Please immediately turn the power off, and clean or 
change the air lter referring to the section “Cleaning 
and replacing the air lter”. After cleaning or changing 
the air lter, please be sure to reset the 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.
Resetting all settingsWhen it is hard to correct some wrong settings, the FACTORY RESET function of 
SERVICE item in OPTION menu (51) can reset all settings(except LANGUAGE, 
FILTER TIME, LAMP TIME, FILTER MESSAGE and SECURITY settings and etc.) 
to the factory default.