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117
Troubleshooting
Message Description
The horizontal or vertical frequency of the input
signal is not within the specied range.
Conrm the specs for your projector or the signal source
specs.
An improper signal is input.
Conrm the specs for your projector or the signal source
specs.
The internal temperature is rising.
Turn the power off, and allow the projector to cool down
at least 20 minutes. After having conrmed the following
items, turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air lter dirty?
• Use the unit within the temperature range;
NORMAL MODE: 0 to 45 °C
ECO MODE: 0 to 50 °C
HIGH ALTITUDE : 0 to 40 °C
(
User's Manual (concise
)).
• Is the setting for ALTITUDE appropriate?
• Is the exhaust air (hot/cold) from peripheral equipment
blowing against the ventilation opening of projector?
For details of ALTITUDE, refer to ALTITUDE of
SERVICE in the OPTION menu (
User's Manual -
Operating guide
). If the projector is used with a
wrong setting, it may cause damage to the
projector itself or the parts inside.
The installed lens is incompatible.
Optical performance will decrease.
• The LENS TYPE may not be properly set.
Check and set for appropriate LENS TYPE.
(continued on next page)
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