Christie DS Series Service Manual page 9

Air filter
■
Cleaning and replacing the air filter
Check and clean the air filter periodically. When the
indicators or a message prompts you to clean the
air filter, comply with it as soon as possible.
1.
Turn the projector off, and unplug the power
cord. Allow the projector to sufficiently cool
down.
2.
Use a vacuum cleaner on and around the filter
cover.
3.
Pick and pull up the filter cover knobs to take it
off.
4.
Press up slightly the bottom side knobs to
unlock the bottom side of the air filter, and take
it off.
5.
The air filter consists of two parts.
Press down around the interlocking parts to unlock,
then separate the two parts.
Use a vacuum cleaner for both sides of the air filter.
If the air filter is damaged or heavily soiled, replace it with
the new one. Request for an air filter with the following
type number from your dealer when purchasing a new
one.
Type number: 003-006607-01
Use a vacuum cleaner for the filter vent of the projector.
6.
7.
Put back the air filter and filter cover into their place.
8.
Turn the projector on and reset
the FILTER HOURS item in the EASY MENU.
(1) Press the MENU button to display a menu.
(2) Point at the FILTER HOURS using the ▲/▼ buttons,
then press the ► button. A dialog will appear.
(3) Press the ► button to select "OK" on the dialog.
It performs resetting the filter hours.
WARNING ► 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
• Replace the air filter when it is damaged or heavily soiled.
• Reset the filter hours only when you have cleaned or replaced the air filter, for
a suitable indication about the air filter.
• The projector may display the message such as the "CHECK THE AIR FLOW"
or turn off the projector, to prevent the internal heat level rising.
LWU900-DS/LHD878-DS/LWU755-DS
Service Manual
LWU900-DS / LHD878-DS / LWU755-DS
the filter hours using
8
2
Filter cover
3
Extra
air filter
Filter cover knobs
Air filter
4
Air filter knobs
5
Interlocking
Parts
Filter vent
6
020-001586-01 Rev. 1 (02-2021)
LIT MAN SERV DS Series