94
HDMI
USB
TYPE B
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 sufficiently cooled down, please make confirmation 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 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 
(
55)
.
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 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.
Blinking In 
Green for 
approx. 3 
seconds.
T
urned
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.
Shutting the projector down
Only when the projector can not be turned off by usual 
procedure (
17), 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 (
59) can reset all settings (except settings such 
as LANGUAGE, LAMP TIME, FILTER TIME, FILTER MESSAGE, SECURITY and 
NETWORK) to the factory default.
Shutdown switch