Air Filter - Hitachi ED-X31EP Service Manual

6-5 Air filter

• Before caring, make sure the power switch is off and the power cable is not plugged in, then allow the
projector to cool suffi ciently. The care in a high temperature state of the projector could cause an electric
shock, a burn and/or malfunction to the projector.
• Use only the air fi lter of the specifi ed type. Do not use the projector with the air fi lter and the fi lter cover
removed. It could result in a fi re and/or malfunction to the projector.
• The air fi lter should be cleaned periodically. 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.
NOTE
• Please replace the air fi lter when it is damaged or too soiled, and also when you replace the lamp.
• 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 itself off, to prevent the
internal heat level rising.
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.
And also when you replace the lamp, please replace the air filter. An air filter of specified type will come
together with a replacement lamp for this projector.
1. Turn the projector off, and unplug the power cord. Allow the lamp to cool
for at least 45 minutes.
2. When the projector is suspended from the ceiling, apply the vacuum cleaner
to and around the fi lter cover fi rst, to prevent penetration of dust or the like.
3. Pull the filter cover knobs while lifting it. The filter unit which consists of the
filter' cover, air fi lter and fi lter frame will come off.
4. Use a vacuum cleaner for the fi lter vent of the projector and the fi lter frame
side of the fi lter unit.
If the air fi lter is damaged or too soiled, replace it according to the following
procedure number 5 to 7.
Otherwise, please jump to the procedure number 8.
5. Pull the fi lter frame' knob up while holding the fi lter cover. The fi lter frame will
come off and the air fi lter will appear.
6. Replace the air filter with new one.
7. Put the filter frame back.
8. Put the filter unit back into the projector.
9. 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
A dialog will appear.
(3) Press the button to select "RESET" on the dialog. It performs resetting
the fi lter time.
ED-X31E / ED-X33E (C14B-20)
WARNING
/ button, then press the
24
Filter cover
Filter cover knobs
Filter unit
Filter (fi ner meshed)
Filter (larger meshed)
button.
Filter frame
Filter cover