58
Related messages
When some message appears, check and cope with it according to the following 
table. Although these messages will be automatically disappeared around several 
minutes, it will be reappeared every time the power is turned on.
Message Description
There is no input signal.
Please confi rm the signal input connection, and the status 
of the signal source.
The horizontal or vertical frequency of the input signal 
is not within the specifi ed range.
Please confi rm the specs for your projector or the signal 
source specs.
An improper signal is input. 
Please confi rm 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 confi rmed the 
following items, please 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 the SERVICE item in the OPTION menu to HIGH.
A note of precaution when cleaning the air fi lter.
Please immediately turn the power off, and clean or change 
the air fi lter referring to the “Cleaning and replacing the 
air fi lter” section of this manual. After you have cleaned or 
changed the air fi lter, please be sure to reset the fi lter time 
(