Air Filter - Hitachi SM0328 Service Manual

6-6 Air filter

If the air fi lter becomes clogged by dust or the like, internal temperatures rise and could cause a fi re, a burn
and/or malfunction to the projector. When the indicators or a message prompts to clean the air fi lter, clean
the air fi lter as soon as possible.
Please check and clean the air fi lter periodically, even if there is no message.Please replace the air fi lter
when it is damaged or too soiled.
When you replace the lamp, please replace the air fi lter. An air fi lter of specifi ed type will come together with
a replacement lamp for this projector.
Cleaning the air filter
1. Turn the projector off, and unplug the power cord.
Allow the projector to suffi ciently cool down.
2. Use a vacuum cleaner on and around the fi lter cover.
3. While supporting the projector with one hand, use your
other hand to pull the fi lter cover forward in the direction
of the arrow.
4. Use a vacuum cleaner for the fi lter ventilation of the
projector. And clean the air fi lter that is set at one side
of the fi lter cover by using a vacuum cleaner over the
other side of the fi lter cover.
Please replace the air fi lter when it is damaged or too
soiled. When the air fi lter is set, take its half moon
shape cut part to the swelled part of the fi lter cover.
5. Put the fi lter unit back into the projector.
6. Turn the projector on and reset the fi lter time using the
FILTER TIME item in the EASY MENU.
(1) Press the MENU button to display a menu.
(2) Point at the "FILTER TIME" using the ▼/▲ button,
then press the ► button. A dialog will appear.
(3) Press the ▲ button to select "RESET" on the dialog.
It performs resetting the fi lter time.
►Before taking care of the air filter, make sure the power cable is not plugged in, then allow the projector
to cool sufficiently.
►Use only the air filter of the specified type. Do not use the projector without the air filter or the filter
cover. It could result in a fire or malfunction to the projector.
►Clean the air filter periodically. If the air filter becomes clogged by dust or the like, internal temperatures
rise and could cause a fire, a burn or malfunction to the projector.
NOTE
• Please reset the fi lter time only when you have cleaned or replaced the air fi lter, for a suitable indication
about the air fi lter.
• The projector may display the message such as "CHECK THE AIR FLOW" or turn off the projector, to prevent
the internal heat level rising.
CPX4(M1-20WL)
The air filter is set in the reverse
side
Swelled part
Air filter
Filter cover
WARNING
28
The filter cover