Ask Proxima DP9250 - Manual (Page 47)

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AIR FILTER CARE AND CLEANING
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The removable air filter prevents dust from accumulating on the surface of the projection tens and projection mirror.
Ihould the air filter become clogged with dust particles, It will reduce the cooling fan’s effectiveness and may result ir
ternal heat build up and reduce the life of the projector.
To clean the air filter, follow the cleaning procedures below:
1. Turn the LAMP POWER ON/OFF button OFF.
2. Remove the air filter cover. ,
3. Remove the air filter from the filter cover.
4. Clean the air filter with a vacuum cleaner.
5. Replace the air filter. Make sura that air filter cover is fully inserted.
Do not clean with water. Doing so may damage the air filter.
Do not operate the projector with air filter removed.
RECOTlMENDATIC^i
TO ENJOY PICTURE IMAGE, USE THE PROJECTOR IN
THE CLEAN ENVIRONMENT. USAGE IN THE CLEAN
ENVIRONMENT IS RECOMMENDED.
When used under the dusty or smoky conditions, dust may
accumulate on the liquid crystal pane! and lens inside It, and may
resuitantty be projected on the screen together with the picture.
When the above symptoms are noticed contact the place where your
authorized dealer or service station for the cleaning.
AIR FILTER
AIR filter
COVER
b
c
TEMPERATURE WARNING INDICATOR
The TEMPERATURE WARNING INDICATOR flashes red when the internal
temperature of the projector exceeds the normal temperature.
Possible causes for the temperature warning may be:
1. Ventilation slots of the projector are blocked. In such an event, reposition the
projector so that ventilation slots are not obstructed.
2. Air filter is clogged with dust particles. Remove dust from the air filter by
following instructions in the Air Filter Care and Cleaning section above.
3. If temperature warning indicator remains on after performing the checks
listed above, cooling fan/internal circuits may be malfunctioning. Request
service from an authorized dealer or service station.
TEMPERATURE
WARNING
INDICATOR
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