Hitachi CP-S235 - Manual (Page 39)

39
Wipe the dust-detecting window by
using a soft cloth.
Troubleshooting (continued)
Related Messages (continued)
Message Description
CLEAN THE AIR FILTER
POWER OFF FIRST,
THEN CLEAN THE AIR FILTER.
AFTER CLEANING THE AIR
FILTER,
RESET THE FILTER TIMER.
A note of precaution when cleaning the air filter.
Please immediately turn the power OFF, and clean or change
the air filter by referring to the “Air Filter” section of this manual.
After you have cleaned or changed the air filter, please be sure
to reset the filter timer.
If the same message is displayed after the treatment, please
clean the transparent area of filter cover and the dust-detecting
window, according to the following.
ATTENTION • The transparent area of filter cover and the dust-detecting window
should be cleaned for normal operation of the optical dust detecting system. Please
pay attention not to remain fiber or fragment of cloth inside the duct.
Filter cover
Air filter
Release buttons
Release buttons
Turn off the projector, and unplug the
power cord.
2
After making sure that the projector
has cooled adequately, remove the
filter cover.
Hold the release buttons of the filter cover, while
pulling up it.
4
Remove the air filter.
Hold the release buttons of the air filter, while pulling
down it.
1
Replace the air filter and filter cover.
Transparent area
Filter cover
Dust detecting window
3
Wipe the transparent area of the filter
cover by using a swab or a soft cloth.
5
6
(Rear side)
(Bottom side)