115
Message Description
The horizontal or vertical frequency of the input 
signal is not within the specied range.
Please conrm the specs for your projector or the signal 
source specs.
An improper signal is input. 
Please conrm the specs for your projector or the signal 
source specs.
The internal temperature is rising. 
Please turn the power off, and allow the projector to cool 
down at least 20 minutes. After having conrmed the 
following items, please turn the power ON again. 
 • Is there blockage of the air passage aperture? 
 • Is the air lter dirty? 
 •  Please use the unit within the usage temperature 
parameters (0°C to 40°C or 45°C (
User's Manual 
(concise))).
 • Is the setting for ALTITUDE appropriate? 
 •  Is the exhaust air (hot/cold) from peripheral 
equipments blowing against the ventilation opening of 
projector?
For details of ALTITUDE, refer to ALTITUDE
 
of SERVICE 
in the OPTION menu (
93).
 If the projector is used with 
a wrong setting, it may cause damage to the projector 
itself or the parts inside.
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Troubleshooting
Related messages (continued)