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Troubleshooting
Related messages (continued)
Message
The horizontal or vertical frequency of the input
signal is not within the specified range.
Confirm the specs for your projector or the signal source
specs.
An improper signal is input.
Confirm 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 confirmed the following
items, turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Use the unit within the usage temperature parameters
(0°C to 40°C or 45°C (User's Manual (concise))).
• Is the exhaust air (hot/cold) from peripheral
equipments blowing against the ventilation opening of
projector?
A note of precaution when cleaning the air filter.
Immediately turn the power off, and clean or change the
air filter referring to the Cleaning and replacing the air
filter section of this manual. After you have cleaned or
changed the air filter, reset the filter time (85, 124).
The button operation is not available.
Check the button you want to use (19) .
13 0
Description
QM00971-1
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