Hitachi CP-X251 User Manual – Operating Manual page 52

Maintenance
WARNING
care in a high temperature state of the projector could cause an electric shock,
a burn and/or malfunction to the projector.
to the projector.
and/or malfunction to the projector.
NOTE
also when you replace the lamp.
• The projector may display the message such as "CHECK THE AIR FLOW" or
turn off the projector, to prevent the internal heat level rising.
or a message prompts you to clean the air filter, clean the air filter as soon as
possible.
Please check and clean the air filter periodically, even if there is no message.
Type number = NJ22222
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
penetration of dust or the like.
3. While supporting the projector with one
cover forward in the direction of the arrow.
52
Before caring, make sure the power switch is off and the
41)
(
Handle
Filter cover