Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicator
Description
Blinking
In Red
or
Lighting
In Red
Turned
off
Blinking
In Red
The cooling fan is not operating.
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 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
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 45°C? 
•  If you use CP-X8150, CP-WX8240, CP-SX8350 
or CP-WU8440, does the peripheral temperature 
exceed 40°C?
• Is the setting for ALTITUDE appropriate? 
For details on ALTITUDE, refer to ALTITUDE 
of SERVICE in the OPTION menu (
67). If the 
projector is used with a wrong setting, it may cause 
damage to the projector itself or the parts inside.
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 (0°C to 40°C or 45°C (
User's Manual 
(concise))). 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 3.1.7 Schedule Settings in the 
Network Guide.
(continued on next page)