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2.4 Warning Temperature and Power Failure Protection
The TEMP WARNING indicator flashes red and the projector will automatically turn off
when the internal temperature of the projector exceeds the normal temperature or when
stopping cooling fans or when the internal power supply lines are failed.
Check the following possible causes and wait until stopping the TEMP WARNING
indicator flashing.
Possible causes
• Air filter is clogged with dust particles. Remove dust from the air filter.
• Ventilation slots of the projector are blocked. In such an event, reposition the
projector so that ventilation slots are not obstructed.
• Check if projector is used at higher temperature place (Normal operating temperature
is 5 to 35 ˚C)
If the TEMP WARNING indicator still continues to flash, there may be defects on
cooling fans or power supply circuits. Please check fan operation and power supply
lines referring to the "Power Supply Lines Chart".
2.5 Air Filter Care and Cleaning
The removable air filter prevents dust from
accumulation on the surface of the projection lens
and projection mirror. Should the air filter become
clogged with dust particles, it will reduce the cooling
fan's effectiveness and may result in internal heat
build up and reduce the life of the projector.
To clean up the air filter, follow the cleaning
procedure below.
1. Turn the power off, and disconnect the AC power
cord from the AC outlet.
2. Turn the projector up side down and remove the
air filter by pulling its latches upward.
3. Clean the air filter with a brush.
4. Replace the air filter properly. Make sure that
the air filter is fully inserted.
Do not operate the projector with the air filter removed. It may result
in the malfunction of the projector.
We recommend to avoid dusty, smoky place for operating the projector.
The dust is stuck on the LCD panel and the mirror, and it may spoil
the fine picture image.
CAUTION
Using in dusty place may cause the picture of poor quality.
When using under the dusty or smoky conditions, dust may
accumulate on the LCD panel and lens inside it, and may resultantly
be projected on the screen together with the picture.
When the above symptoms are noticed, please clean up the LCD panel
and lens according to the "Cleaning Method".
2-3
Part 2: Repair Information
Air filter
Fig. 2-4
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